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effects of daily blueberry consumption on circulating biomarkers of oxidative stress, inflammation, and antioxidant defense in postmenopausal women with pre- and stage 1-hypertension: a randomized controlled trial.oxidative stress and inflammation are central to the development of a number of chronic diseases including cardiovascular disease and previous research suggests that blueberry consumption may attenuate these processes. the present study investigated the effects of blueberries on blood biomarkers of oxidative stress, inflammation, and antioxidant defense in postmenopausal women with pre- and stage 1-hypertension. in a randomized, parallel-arm, double-blind, placebo-controlled clinical trial, 40 p ...201728059417
preparation of nanoscale iron (oxide, oxyhydroxides and zero-valent) particles derived from blueberries: reactivity, characterization and removal mechanism of arsenate.the application of iron nanoparticles (fenps) to the removal of various pollutants has received wide attention over the last few decades. a synthesis alternative to obtain these nanoparticles without using harmful chemical reagents, such as nabh4, is the use of extracts from different natural sources that allow a lesser degree of agglomeration, in a process known as green synthesis. in this study, fenps were synthesized by 'green' (hereafter, bb-fe nps) and 'chemical' (hereafter, nzvi) methods. ...201728708983
a brief review of blue- and bilberries' potential to curb cardio-metabolic perturbations: focus on diabetes.some epidemiological studies suggest that increased consumption of anthocyanins is associated with lower risk of cardiovascular disease (cvd) and hypertension. also, high consumption of anthocyanin-rich fruit, such as berries, is associated with a lower risk of developing type 2 diabetes (t2d). in this review, we briefly yet critically assess the available evidence in support of an anti-diabetic role of anthocyanins derived from berries, especially bilberry (vaccinium myrtillus l., also known as ...201727748191
comparative transcriptome sequencing and de novo analysis of vaccinium corymbosum during fruit and color development.blueberry is an economically important fruit crop in ericaceae family. the substantial quantities of flavonoids in blueberry have been implicated in a broad range of health benefits. however, the information regarding fruit development and flavonoid metabolites based on the transcriptome level is still limited. in the present study, the transcriptome and gene expression profiling over berry development, especially during color development were initiated.201627729032
modification of sunlight radiation through colored photo-selective nets affects anthocyanin profile in vaccinium spp. berries.in recent years, the interest on the effects of the specific wavelengths of the light spectrum on growth and metabolism of plants has been increasing markedly. the present study covers the effect of modified sunlight conditions on the accumulation of anthocyanin pigments in two vaccinium species: the european wild bilberry (v. myrtillus l.) and the cultivated highbush blueberry (v. corymbosum l.).201526288240
characterization of polyphenol oxidase from blueberry (vaccinium corymbosum l.).polyphenol oxidase (ppo) was extracted and characterized from high-bush blueberries. ppo showed an optimum activity at ph 6.1-6.3 and 35°c, with the enzyme showing significant activity over a wide temperature range (25-60°c). catechol was the most readily oxidized substrate followed by 4-methylcatechol, dl-dopa, and dopamine. blueberry ppo showed a km of 15mm and vmax of 2.57 δa420nm/min×10-1, determined with catechol. ppo was completely inactivated in 20min at 85°c, however, after 30minat 75°c ...201727719900
effect of cadmium on phenolic compounds, antioxidant enzyme activity and oxidative stress in blueberry (vaccinium corymbosum l.) plantlets grown in vitro.cadmium (cd(2+)) can affect plant growth due to its mobility and toxicity. we evaluated the effects of cd(2+) on the production of phenolic compounds and antioxidant response of vaccinium corymbosum l. plantlets were exposed to cd(2+) at 50 and 100µm for 7, 14 and 21 days. accumulation of malondialdehyde (mda), hydrogen peroxide (h2o2) and the antioxidant enzyme sod was determined. the profile of phenolic compounds was evaluated using lc-ms. the antioxidant activity was measured using 1,1-diphen ...201627485373
anthocyanins, phenolics and antioxidant capacity after fresh storage of blueberry treated with edible coatings.the influence of different edible coatings on total phenolic content, total anthocyanin and antioxidant capacity in highbush blueberry (vaccinium corymbosum l. cv berkeley and o'neal) was investigated, mainly for industrial applications. also titratable acidity, soluble solids content, firmness and weight loss of berries were determined at harvest and at 15-day intervals during 45 storage days at 0 °c, in order to optimize coating composition. application of chitosan coating delayed the decrease ...201525666416
chemical characterization and cytotoxic activity of blueberry extracts (cv. misty) cultivated in brazil.vaccinium corymbosum (l.) varieties cultivation is relatively recent in brazil, but its production has been intensified given its good adaptability to the southern brazil climate. blueberries are a rich source of phenolic compounds and contain significant levels of anthocyanins, flavonols, chlorogenic acids, and procyanidins, which lead to different biological activities. chemical identification of skin and whole hydroalcoholic blueberry extracts (extsb and extwb) revealed the presence of anthoc ...201627411085
quercetin glycosides and chlorogenic acid in highbush blueberry leaf decoction prevent cataractogenesis in vivo and in vitro: investigation of the effect on calpains, antioxidant and metal chelating properties.the present study investigates whether highbush blueberry leaf polyphenols prevent cataractogenesis and the underlying mechanisms. chlorogenic acid, quercetin, rutin, isoquercetin and hyperoside were quantified in vaccinium corymbosum leaf decoction (bbl) using hplc-dad. wistar rats were injected subcutaneously with 20 μmol selenite (na2seo3)/kg body weight on postnatal (pn) day 10 (se, n = 8-10/group) only or also intraperitoneally with 100 mg dry bbl/kg body weight on pn days 11 and 12 (sebbl ...201626808488
in vitro cultivars of vaccinium corymbosum l. (ericaceae) are a source of antioxidant phenolics.the antioxidant activity and phenolic composition of six in vitro cultured blueberry seedlings were determined. extracts were prepared in 85% ethanol from 30 days old in vitro cultured plants and used to evaluate the antioxidant capacities that included ferric reducing antioxidant power (frap) and 1,1-diphenyl-2-picrylhydrazin (dpph•) scavenging ability, total polyphenols (tp) and the partial phenolic composition performed by high performance liquid chromatography with diode array detector (hplc ...201526783705
effects of inoculating lachnum and cadophora isolates on the growth of vaccinium corymbosum.the roots of ericaceous plants harbour a diversity of fungal taxa, which confer eco-physiological benefits to the host. some of the fungi have been established to form ericoid mycorrhizal (erm) associations and enhance plant growth in certain ericaceous genera. although, lachnum and cadophora isolates have frequently been identified from the roots of this family, the status of their association and functional roles is still vague. the aims of this study were to identify lachnum and cadophora iso ...201526640054
a single blueberry (vaccinium corymbosum) portion does not affect markers of antioxidant defence and oxidative stress in healthy volunteers following cigarette smoking.we previously reported that a portion of blueberries reversed endothelial dysfunction induced by acute cigarette smoking. since smoking-induced endothelial dysfunction is associated with a condition of oxidative stress, we evaluated whether the observed effect was mediated by modulation of markers of oxidative stress and antioxidant defence. fourteen out of 16 male healthy smokers previously enrolled, participated in a three-armed randomized controlled study with the following experimental condi ...201626602318
the influence of microwave-assisted drying techniques on the rehydration behavior of blueberries (vaccinium corymbosum l.).the aim of this study was to determine the effect of: (a) different drying methods, (b) hot air temperature in a convection oven, and (c) the moisture content of fruits dehydrated by multi-stage drying which involves a transition between different stages of drying, on the rehydration kinetics of dry blueberries. models describing rehydration kinetics were also studied. blueberries dehydrated by multi-stage microwave-assisted drying, which involved a hot air pre-drying step at 80 °c until the ach ...201626593606
comparison of cultivars and seasonal variation in blueberry (vaccinium species) leaf extract on adult t-cell leukemia cell line growth suppression.the inhibitory effects of blueberry leaves on the proliferation of adult t-cell leukemia (atl) cell lines have previously been reported. a comparison of blueberry leaf extracts from different cultivars and seasonal variation were investigated regarding their effects on atl cell line proliferation. the inhibitory effects of 80% ethanol leaf extracts from different blueberry cultivars collected from april to december in 2006 or 2008 were evaluated using two atl cell lines. the bioactivities of lea ...201428933373
microwave-assisted drying of blueberry (vaccinium corymbosum l.) fruits: drying kinetics, polyphenols, anthocyanins, antioxidant capacity, colour and texture.the aim of the study was to evaluate the effect of hot air convective drying (hacd), microwave vacuum drying (mwvd) and their combination (hacd+mwvd) on the drying kinetics, colour, total polyphenols, anthocyanins antioxidant capacity and texture of frozen/thawed blueberries. drying resulted in reduction of total polyphenols content and antioxidant capacity (69 and 77%, respectively). the highest content of total polyphenols was noted after hacd at 90°c. lower air temperature and prolonged expos ...027374583
separation, characterization and quantification of phenolic compounds in blueberries and red and black currants by hplc-dad-esi-msn.the phenolic profile of four blueberry varieties (vaccinium corymbosum l., cv. toro, legacy, duke and bluecrop) and two varieties (rosenthal and rovada) of red currants (ribes rubrum l.) and black currants (ribes nigrum l.) cultivated in macedonia have been analyzed using hplc coupled to diode-array detection and tandem mass spectrometry with electrospray ionization. a complex profile of anthocyanins, flavonols, flavan-3-ols and hydroxycinnamic acid derivatives has been assayed in acetone-acetic ...201121401099
relationship between polyphenol content and anti-influenza viral effects of berries.berries are known to have many kinds of biological activities. we focused on their antiviral effect, which has not yet been well evaluated.201323355221
a plant growth-promoting symbiosis between mycena galopus and vaccinium corymbosum seedlings.typically, mycena species are viewed as saprotrophic fungi. however, numerous detections of mycena spp. in the roots of green plants suggest that a continuum from saprotrophy to biotrophy could exist. in particular, mycenoid species have repeatedly been found in ericaceae plant roots. our study asked whether (1) mycena species are commonly found in the roots of green ericaceae plants; (2) mycena sequences are limited to a single group/lineage within the genus; and (3) a mycena sp. can behave as ...201728842791
temperature-related development and population parameters for drosophila suzukii (diptera: drosophilidae) on cherry and blueberry.temperature-related studies were conducted on drosophila suzukii matsumura (diptera: drosophilidae: drosophilini). from 10-28°c, temperature had a significant impact on blueberries, vaccinium corymbosum l. (ericales: ericaceae), and cherries, prunus avium (l.) l. 1755 (rosales: rosaceae), important commercial hosts of d. suzukii. temperature had a significant influence on d. suzukii developmental period, survival, and fecundity, with decreasing developmental periods as temperatures increased to ...201424612968
alternative growth promoters modulate broiler gut microbiome and enhance body weight gain.antibiotic growth promoters (agps) are frequently used to enhance weight-gain in poultry production. however, there has been increasing concern over the impact of agp on the emergence of antibiotic resistance in zoonotic bacterial pathogens in the microbial community of the poultry gut. in this study, we adopted mass-spectrophotometric, phylogenetic, and shotgun-metagenomic approaches to evaluate bioactive phenolic extracts (bpe) from blueberry (vaccinium corymbosum) and blackberry (rubus frutic ...201729123512
breeding blueberries for a changing global environment: a review.today, blueberries are recognized worldwide as one of the foremost health foods, becoming one of the crops with the highest productive and commercial projections. over the last 100 years, the geographical area where highbush blueberries are grown has extended dramatically into hotter and drier environments. the expansion of highbush blueberry growing into warmer regions will be challenged in the future by increases in average global temperature and extreme fluctuations in temperature and rainfal ...201526483803
aroma active volatiles in four southern highbush blueberry cultivars determined by gas chromatography-olfactometry (gc-o) and gas chromatography-mass spectrometry (gc-ms).aroma active volatiles in four southern highbush blueberry cultivars ('prima dona', 'jewel', 'snow chaser', and 'kestrel') were determined using solid phase microextraction (spme) in combination with gas chromatography-olfactometry (gc-o) and identified via gc-pfpd and gc-ms using retention indices of reference compounds and mass spectral data. the aromas of total, unseparated spme extracts evaluated using gc-o were rated 8.2-9.0/10 for the four cultivars in terms of similarity to the original b ...201424758568
assessing the economic importance of dasineura oxycoccana (diptera: cecidomyiidae) in northern highbush blueberries.infestation by blueberry gall midge, dasineura oxycoccana johnson, is common in northern highbush blueberries, but its effects on crop productivity are unknown. we examined whether infestation by blueberry gall midge reduces flower bud production when compared with uninfested shoots, and how infestation at different times affects the crop response. from the fall of 2009 to the spring of 2011, the number of flower buds on infested and uninfested shoots of blueberry bushes was counted and compared ...201526470334
identifying breeding priorities for blueberry flavor using biochemical, sensory, and genotype by environment analyses.breeding for a subjective goal such as flavor is challenging, as many blueberry cultivars are grown worldwide, and identifying breeding targets relating to blueberry flavor biochemistry that have a high degree of genetic control and low environmental variability are priorities. a variety of biochemical compounds and physical characters induce the sensory responses of taste, olfaction, and somatosensation, all of which interact to create what is perceived flavor. the goal of this study was to ide ...201526378911
anthocyanin profile in berries of wild and cultivated vaccinium spp. along altitudinal gradients in the alps.vaccinium spp. berries provide some of the best natural sources of anthocyanins. in the wild bilberry (vaccinium myrtillus l.), a clear increasing trend in anthocyanin biosynthesis has been reported toward northern latitudes of europe, but studies related to altitude have given contradictory results. the present study focused on the anthocyanin composition in wild bilberries and highbush blueberry (vaccinium corymbosum l. cv. brigitta blue) growing along altitudinal gradients in the alps of nort ...201526373665
distinct physiological and metabolic reprogramming by highbush blueberry (vaccinium corymbosum) cultivars revealed during long-term uv-b radiation.despite the montreal protocol and the eventual recovery of the ozone layer over antarctica, there are still concerns about increased levels of ultraviolet-b (uv-b) radiation in the southern hemisphere. uv-b induces physiological, biochemical and morphological stress responses in plants, which are species-specific and different even for closely related cultivars. in woody plant species, understanding of long-term mechanisms to cope with uv-b-induced stress is limited. therefore, a greenhouse uv-b ...201727943328
the effects of long-term management on patterns of carbon storage in a northern highbush blueberry production system.perennial crops potentially provide a sink for atmospheric carbon. however, there is a poor understanding of how perennial crops differ in their carbon allocation patterns, and few studies have tested how agronomic practices such as fertilization influence long-term patterns of carbon allocation in actual production systems. in this study, we report results of a long-term field experiment that tested the individual and combined effects of organic matter incorporation and nitrogen fertilization o ...201727932219
differential response of a local population of entomopathogenic nematodes to non-native herbivore induced plant volatiles (hipv) in the laboratory and field.recent work has shown the potential for enhanced efficacy of entomopathogenic nematodes (epn) through their attraction to herbivore induced plant volatiles. however, there has been little investigation into the utilization of these attractants in systems other than in those in which they were identified. we compared (e)-β-caryophyllene and pregeijerene in the highbush blueberry (vaccinium corymbosum) agroecosystem in their ability to enhance the attraction of epn to and efficacy against the syst ...201627848155
liquid chromatographic/electrospray ionization quadrupole/time of flight tandem mass spectrometric study of polyphenolic composition of different vaccinium berry species and their comparative evaluation.ultra-high-performance liquid chromatography coupled with high-resolution quadrupole-time of flight mass spectrometry with both negative and positive ionization was used for comprehensively investigating the phenolic and polyphenolic compounds in berries from three spontaneous or cultivated vaccinium species (i.e., vaccinium myrtillus, vaccinium uliginosum subsp. gaultherioides, and vaccinium corymbosum). more than 200 analytes, among phenolic and polyphenolic compounds belonging to the classes ...201727847974
constitutive expression of the k-domain of a vaccinium corymbosum soc1-like (vcsoc1-k) mads-box gene is sufficient to promote flowering in tobacco.the k-domain of a blueberry-derived soc1 -like gene promotes flowering in tobacco without negatively impacting yield, demonstrating potential for manipulation of flowering time in horticultural crops.201323963585
effect of blueberry pretreatment on diethylnitrosamine-induced oxidative stress and liver injury in rats.diethylnitrosamine (den) treatment increases the generation of reactive oxygen species (ros), apoptosis, necrosis and proliferation in the liver. blueberries (bb; vaccinium corymbosum l.) contain polyphenols and other active components and have high antioxidant capacities. we investigated the effect of bb pretreatment on den-induced liver injury and oxidative and nitrosative stress in male rats. rats were fed with 5% and 10% bb containing diet for six weeks and den (200mg/kg; i.p.) was applied t ...201323811110
overexpression of blueberry flowering locus t is associated with changes in the expression of phytohormone-related genes in blueberry plants.flowering locus t (ft) is a primary integrator in the regulation of plant flowering. overexpressing a blueberry (vaccinium corymbosum l.) ft gene (vcft) (herein vcft-ox) resulted in early flowering and dwarfing in 'aurora' plants (herein 'vcft-aurora'). in this study, we found that vcft-ox reduced shoot regeneration from leaf explants. to investigate the potential roles of the phytohormone pathway genes associated with vcft-ox, differentially expressed (de) genes in leaf tissues of 'vcft-aurora' ...201627818778
nondestructive detection and quantification of blueberry bruising using near-infrared (nir) hyperspectral reflectance imaging.currently, blueberry bruising is evaluated by either human visual/tactile inspection or firmness measurement instruments. these methods are destructive, time-consuming, and subjective. the goal of this paper was to develop a non-destructive approach for blueberry bruising detection and quantification. experiments were conducted on 300 samples of southern highbush blueberry (camellia, rebel, and star) and on 1500 samples of northern highbush blueberry (bluecrop, jersey, and liberty) for hyperspec ...201627767050
a single portion of blueberry (vaccinium corymbosum l) improves protection against dna damage but not vascular function in healthy male volunteers.it has been suggested that anthocyanin-rich foods may exert antioxidant effects and improve vascular function as demonstrated mainly in vitro and in the animal model. blueberries are rich sources of anthocyanins and we hypothesized that their intake could improve cell protection against oxidative stress and affect endothelial function in humans. the aim of the study was to investigate the effect of one portion (300 g) of blueberries on selected markers of oxidative stress and antioxidant protect ...201323507228
use of early ripening cultivars to avoid infestation and mass trapping to manage drosophila suzukii (diptera: drosophilidae) in vaccinium corymbosum (ericales: ericaceae).use of early ripening highbush blueberry cultivars to avoid infestation and mass trapping were evaluated for managing spotted wing drosophila, drosophila suzukii (matsumura). fourteen highbush blueberry cultivars were sampled for spotted wing drosophila infestation. most 'earliblue', 'bluetta', and 'collins' fruit were harvested before spotted wing drosophila oviposition commenced, and so escaped injury. most fruit from 'bluejay', 'blueray', and 'bluehaven' were also harvested before the first w ...201426309275
antioxidant activities and anti-cancer cell proliferation properties of natsuhaze (vaccinium oldhamii miq.), shashanbo (v. bracteatum thunb.) and blueberry cultivars.antioxidants are abundant in blueberries, and while there are many studies concerning the bioactive compound of fruit, it is only recently that the wild vaccinium species has attracted attention for their diverse and abundant chemical components. the aim of this study was to investigate the bioactive compounds of blueberry cultivars and wild species found in japan. among the five extracts of the vaccinium species, natsuhaze (vaccinium oldhamii miq.) was found to be the most effective at inhibiti ...201327137366
antioxidant properties, phenolic composition and potentiometric sensor array evaluation of commercial and new blueberry (vaccinium corymbosum) and bog blueberry (vaccinium uliginosum) genotypes.antioxidant properties of juices of newly bred and known blueberry (vaccinium corymbosum) genotypes and wild bog blueberry (vaccinium uliginosum) were evaluated by abts(+) scavenging capacity (rsc), ferric reducing antioxidant power (frap), oxygen radical absorbance capacity (orac), total phenolic content (tpc) and total anthocyanin content (tac) assays. tpc varied in the range of 0.85-2.81 mg gallic acid equiv./ml, rsc, frap and orac values were 6.38-20.9, 3.07-17.8 and 4.21-45.68 μmol trolox e ...201526041234
higher transcription levels in ascorbic acid biosynthetic and recycling genes were associated with higher ascorbic acid accumulation in blueberry.in our preliminary study, the ripe fruits of two highbush blueberry (vaccinium corymbosum l.) cultivars, cv 'berkeley' and cv 'bluecrop', were found to contain different levels of ascorbic acid. however, factors responsible for these differences are still unknown. in the present study, ascorbic acid content in fruits was compared with expression profiles of ascorbic acid biosynthetic and recycling genes between 'bluecrop' and 'berkeley' cultivars. the results indicated that the l-galactose pathw ...201526041210
cerebral area differential redox response of neonatal rats to selenite-induced oxidative stress and to concurrent administration of highbush blueberry leaf polyphenols.our goal was to delineate the mechanisms of selenite-induced oxidative stress in neonatal rats and investigate the potential of blueberry leaf polyphenols to counteract the induced stress. vaccinium corymbosum leaf decoction (bld) was analyzed by uplc-ms and lc-dad, along with its in vitro antioxidant activity (dpph radical scavenging, frap, ferrous chelation). newborn suckling wistar rats were randomly divided into three groups: 'se' and 'sebld' received 20 μmol na2seo3/kg bw subcutaneously (pn ...201526357951
short-term uv-b radiation affects photosynthetic performance and antioxidant gene expression in highbush blueberry leaves.the impact of increased artificial uv-b radiation on photosynthetic performance, antioxidant and sod activities and molecular antioxidant metabolism responses in leaves of two highbush blueberry (vaccinium corymbosum l. cv. brigitta and bluegold) genotypes was studied. plants were grown in a solid substrate and exposed to 0, 0.07, 0.12 and 0.19 w m(-2) of biologically-effective uv-b irradiance for 0-72 h. our findings show that net photosynthesis (pn) decreased significantly in bluegold, accompa ...201627343876
transcript profile of flowering regulatory genes in vcft-overexpressing blueberry plants.in order to identify genetic components in flowering pathways of highbush blueberry (vaccinium corymbosum l.), a transcriptome reference composed of 254,396 transcripts and 179,853 gene contigs was developed by assembly of 72.7 million reads using trinity. using this transcriptome reference and a query of flowering pathway genes of herbaceous plants, we identified potential flowering pathway genes/transcripts of blueberry. transcriptome analysis of flowering pathway genes was then conducted on l ...201627271296
influence of genotype, cultivation system and irrigation regime on antioxidant capacity and selected phenolics of blueberries (vaccinium corymbosum l.).demand for and availability of blueberries has increased substantially over recent years, driven in part by their health-promoting properties. three blueberry varieties ('rocío', v2, and v3) were grown under two cultivation systems (open-field and plastic tunnels) and subjected to two irrigations regimes (100% and 80% of crop evapotranspiration) in two consecutive years (2011-2012). they were evaluated for their phytochemical composition and antioxidant capacity. genotype influenced the antioxid ...201626920295
preventive and therapeutic effects of blueberry (vaccinium corymbosum) extract against dss-induced ulcerative colitis by regulation of antioxidant and inflammatory mediators.inflammatory bowel disease (ibd) is an inflammatory disorder caused by hyperactivation of effector immune cells that produce high levels of proinflammatory cytokines. the aims of our study were to determine whether orally administered blueberry extract (be) could attenuate or prevent the development of experimental colitis in mice and to elucidate the mechanism of action. female balb/c mice (n=7) were randomized into groups differing in treatment conditions (prevention and treatment) and dose of ...201626878787
chilean native fruit extracts inhibit inflammation linked to the pathogenic interaction between adipocytes and macrophages.obesity is characterized by an increase in the infiltration of monocytes into the adipose tissue, causing an inflammatory condition associated with, for example, the development of insulin resistance. thus, anti-inflammatory-based treatments could emerge as a novel and interesting approach. it has been reported that chilean native fruits maqui (aristotelia chilensis) and calafate (berberis microphylla) present high contents of polyphenols, which are known for their antioxidant and anti-inflammat ...201525302660
variability of procyanidin type a- and -b trimers content in aerial parts of some vaccinium species and cultivars.based on the ethnopharmacological data showing that either wild bilberry leaves or whole aerial parts of the plants have been used as antidiabetic drugs, it can be hypothesized that the controversial results of various clinical and animal investigations may be caused by different contents of the active principles in different aerial parts of the bilberry/blueberry (vaccinium spp.) plants, as well as by their geographical and seasonal variability. the aim of this study was to compare the content ...201425115086
profound hypoglycemia-ınduced by vaccinium corymbosum juice and laurocerasus fruit.an emergency intervention was performed in a 75-year-old male patient with hypoglycemic attack and blackout. although he was diagnosed with prediabetes before 2 years, he did not take any anti-diabetic drug or follow dietary advice. he drank vaccinium corymbosum l (vc) juice daily with a belief that it increases sexual potency. before the development of hypoglycemia, the patient had consumed about 500 ml vc juice in addition to eating 200-300 gram of laurocerasus officinalis (lo) fruit. the meas ...201725097289
antioxidant activity of hydrophilic and lipophilic extracts of brazilian blueberries.hydrophilic and lipophilic extracts of ten cultivars of highbush and rabbiteye brazilian blueberries (vaccinium corymbosum l. and vacciniumashei reade, respectively) that are used for commercial production were analysed for antioxidant activity by the frap, orac, abts and β-carotene-linoleate methods. results were correlated to the amounts of carotenoids, total phenolics and anthocyanins. brazilian blueberries had relatively high concentration of total phenolics (1,622-3,457 mg gallic acid equiv ...201424996309
methyl jasmonate affects phenolic metabolism and gene expression in blueberry (vaccinium corymbosum).blueberry (vaccinium corymbosum) is a fruit very much appreciated by consumers for its antioxidant potential and health-promoting traits. its beneficial potential properties are mainly due to a high content of anthocyanins and their amount can change after elicitation with methyl jasmonate. the aim of this work is to evaluate the changes in expression of several genes, accumulation of phenolic compounds and alterations in antioxidant potential in two different blueberry cultivars ('duke' and 'bl ...201524943920
protective effects of blueberries (vaccinium corymbosum l.) extract against cadmium-induced hepatotoxicity in mice.the oxidative status and morphological changes of mouse liver exposed to cadmium chloride (cd(ii)) and therapeutic potential of blueberry (vaccinium corymbosum l.) extract against cd(ii)-induced hepatic injury were investigated. a variety of parameters were evaluated, including lipid peroxidation (lpo), protein carbonyl (pco) level, dna fragment, as well as antioxidative defense system (i.e., superoxide dismutase (sod), catalase (cat), reduced glutathione (gsh)). elemental analysis and evaluatio ...201424751684
influence of thermal treatment on the stability of phenolic compounds and the microbiological quality of sucrose solution following osmotic dehydration of highbush blueberry fruits.osmotic dehydration is a process of the partial removal of water which is based on immersion of material having cellular structure in a hypertonic solution. osmotic dehydration is used as a pretreatment for the dehydration of foods before they are subjected to further processing such as freezing, freeze drying, vacuum drying. management of spent syrup is one of the most important problems related to osmotic dewatering. osmotic solutions are heavily polluted with of carbohydrates, remains of the ...201624724213
relative toxicity and residual activity of insecticides used in blueberry pest management: mortality of natural enemies.a series of bioassays were conducted to determine the relative toxicities and residual activities of insecticides labeled for use in blueberry (vaccinium corymbosum l.) on natural enemies, to identify products with low toxicity or short duration effects on biological control agents. in total, 14 insecticides were evaluated using treated petri dishes and four commercially available natural enemies (aphidius colemani viereck, orius insidiosus [say], chrysoperla rufilabris [burmeister], and hippoda ...201424665711
correlation between sensory and instrumental measurements of standard and crisp-texture southern highbush blueberries (vaccinium corymbosum l. interspecific hybrids).fruit texture is a primary selection trait in southern highbush blueberry (shb) breeding to increase fresh fruit postharvest quality and consumer acceptance. a novel crisp fruit texture has recently been identified among shb germplasm. in this study, we developed a common set of descriptors that align sensory evaluation of blueberry fruit texture with instrumental measures that could be used for quantitative measurements during pre- and postharvest evaluation.201424619938
in vitro studies on the relationship between the antioxidant activities of some berry extracts and their binding properties to serum albumin.the aim of this study was to investigate the possibility to use the bioactive components from cape gooseberry (physalis peruviana), blueberry (vaccinium corymbosum), and cranberry (vaccinium macrocarpon) extracts as a novel source against oxidation in food supplementation. the quantitative analysis of bioactive compounds (polyphenols, flavonoids, flavanols, carotenoids, and chlorophyll) was based on radical scavenging spectrophometric assays and mass spectrometry. the total phenolic content was ...201424449373
oviposition efficacy of drosophila suzukii (diptera: drosophilidae) on different cultivars of blueberry.drosophila suzukii (matsumura) is an important pest of thin-skinned fruits including blueberry, raspberry, strawberry, and cherry. blueberry was introduced into japan in the 1950s, and severe economic losses attributable to d. suzukii were first reported in 2002. the objective of this study was to elucidate whether oviposition behavior varies among blueberry cultivars having different firmness of fruit. fruit firmness in 12 cultivars of highbush blueberry (vaccinium corymbosum l.) and rabbiteye ...201324020291
fruit quality, anthocyanin and total phenolic contents, and antioxidant activities of 45 blueberry cultivars grown in suwon, korea.blueberry fruits from 45 commercial cultivars (39 northern highbush and 6 half highbush blueberry) grown in suwon, korea were analyzed for fruit size, soluble solids content, titratable acidity, total anthocyanin content, total phenolic content, and antioxidant activity. fruit characteristics varied widely among the 45 blueberry cultivars. fruit weight ranged from 0.9 to 3.6 g, soluble solids content from 8.3 to 14.3 °brix, and titratable acidity from 0.8% to 3.6%. antioxidant activity ranged fr ...201324009199
classification of impacted blueberries during storage using an electronic nose.an electronic nose (en) was used to determine the effect of repeated impacts on changes in volatile characteristics of fresh blueberries during storage. hand-harvested 'misty' blueberries (vaccinium corymbosum) were treated either as (1) undropped (control) fruits, (2) fruits poured six times from a picking bucket 200 mm into a plastic field lug or (3) fruits dropped as above ten times onto a steel surface. fruits from all treatments were stored in vented polystyrene clamshell containers at 2 °c ...201121520446
blueberry treatment attenuates d-galactose-induced oxidative stress and tissue damage in rat liver.d-galactose (gal) causes aging-related changes and oxidative stress in the organism. we investigated the effect of whole fresh blueberry (bb; vaccinium corymbosum l.) treatment on oxidative stress in age-related liver injury model.201423750655
lethality of reduced-risk insecticides against plum curculio (coleoptera: curculionidae) in blueberries, with emphasis on their curative activity.historically, management of plum curculio, conotrachelus nenuphar (herbst), in highbush blueberries has focused on post-bloom broad-spectrum insecticide applications targeting the adults. here, the efficacy of different classes of insecticides against various stages of c. nenuphar was compared, and a prebloom treatment with the chitin synthesis inhibitor novaluron in combination with a post-bloom insecticide application was tested.201323564724
populations of the gall midge dasineura oxycoccana on cranberry and blueberry produce and respond to different sex pheromones.we identified and field-tested the sex pheromones of dasineura oxycoccana (johnson) (diptera: cecidomyiidae) midges collected from cranberry, vaccinium macrocarpon aiton, and from highbush blueberry, vaccinium corymbosum l., commonly named cranberry tipworm (ctw) and blueberry gall midge (bgm), respectively. coupled gas chromatographic-electroantennographic detection (gc-ead) analyses of pheromone gland extract from the ovipositor of calling ctw females revealed one component (<10 pg per oviposi ...201323297107
rainfastness of insecticides used to control japanese beetle in blueberries.field-based bioassays were used to determine the relative impact of rainfall on the relative toxicity of four insecticides, phosmet, carbaryl, zeta-cypermethrin, or imidacloprid, from different chemical classes on adult japanese beetles, popillia japonica newman, in highbush blueberries, vaccinium corymbosum l. bioassays were set up 24 h after spraying occurred and japanese beetle condition was scored as alive, knockdown or immobile 1, 24, and 48 h after bioassay setup. all insecticides were sig ...201223156165
intraspecies differences in cold hardiness, carbohydrate content and β-amylase gene expression of vaccinium corymbosum during cold acclimation and deacclimation.changes in cold hardiness, carbohydrate content and β-amylase gene expression were monitored in the shoots of the highbush blueberry (vaccinium corymbosum l.) cultivars 'sharpblue' and 'jersey' during cold acclimation (ca) and deacclimation (da). the seasonal patterns were similar in both cultivars, but the levels of cold hardiness determined by electrolyte leakage analysis were significantly different; 'jersey' was hardier than 'sharpblue'. cold hardiness was closely related to total soluble su ...201223135736
ground and rove beetles (coleoptera: carabidae and staphylinidae) are affected by mulches and weeds in highbush blueberries.biological control of insects by predators may be indirectly influenced by management practices that change the invertebrate community in agroecosystems. in this study we examined effects that mulching and weeding have on predatory beetles (carabidae and staphylinidae) and their potential prey in a highbush blueberry field. we compared beetle communities in unweeded control plots to those that were weeded and/or received a single application of compost or pine needle mulch. compost mulch and wee ...201223068165
degradation of anthocyanins and anthocyanidins in blueberry jams/stuffed fish.this study examined the effects of cooking on the degradation of anthocyanins and anthocyanidins of blueberries (vaccinium corymbosum l.) from cultivar bluecrop. fruits were used to prepare jams with different degrees brix and stuffed fish. a systematic evaluation of the degradation of anthocyanins and anthocyanidins of blueberries was performed; for that purpose an hplc/dad method was used to determine anthocyanin profile and anthocyanidin contents in fresh and cooked blueberries and in jams. t ...200919845348
antioxidant and α-glucosidase inhibitory phenolics isolated from highbush blueberry flowers.blueberries have been extensively researched, but there are limited studies on other parts of the plant. here we report the first phytochemical examination of highbush blueberry (vaccinium corymbosum) flowers, which yielded 21 phenolics. the compounds were identified from extensive nmr and mass spectral analyses and included five caffeic acid (1-5), three coumaric acid (6-8), and two cinnamyl alcohol (9-10) derivatives, eight flavonol glycosides (11-18), and three phenylpropanoid-substituted cat ...201222953942
blueberry treatment decreased d-galactose-induced oxidative stress and brain damage in rats.d-galactose (gal) causes aging-related changes and oxidative stress in the organism. we investigated the effect of whole fresh blueberry (bb) (vaccinium corymbosum l.) treatment on oxidative stress in age-related brain damage model. rats received gal (300 mg/kg; s.c.; 5 days per week) alone or together with 5 % (bb1) and 10 % (bb2) bb containing chow for two months. malondialdehyde (mda),protein carbonyl (pc) and glutathione (gsh) levels, and cu zn-superoxide dismutase (sod), glutathione peroxid ...201525511550
effects of uv-b radiation on anatomical characteristics, phenolic compounds and gene expression of the phenylpropanoid pathway in highbush blueberry leaves.the effects of increased doses of uv-b radiation on anatomical, biochemical and molecular features of leaves of two highbush blueberry (vaccinium corymbosum l. cv. brigitta and bluegold) genotypes were investigated. plants were grown in a solid substrate and exposed to 0, 0.07, 0.12 and 0.19 wm(-2) of biologically effective uv-b radiation for up to 72 h. leaf thickness and the adaxial epidermis thickness fell more than 3-fold in both genotypes at the highest uv-b dose. moreover, in bluegold an e ...201425394804
phenology of dasineura oxycoccana (diptera: cecidomyiidae) on cranberry and blueberry indicates potential for gene flow.dasineura oxycoccana (johnson) (diptera: cecidomyiidae) is a pest of cranberry, vaccinium macrocarpon (aiton) (ericales: ericaceae), and highbush blueberry, vaccinium corymbosum (l.) (ericales: ericaceae), in north america. in british columbia, canada, d. oxycoccana was first found on highbush blueberry in 1991 and then on cranberry seven years later. because many cranberry and highbush blueberry farms are adjacent to one another, we hypothesized that d. oxycoccana was moving from highbush blueb ...201222928299
blanching improves anthocyanin absorption from highbush blueberry ( vaccinium corymbosum l.) purée in healthy human volunteers: a pilot study.blueberries ( vaccinium corymbosum l.) are rich sources of phenolics and anthocyanins (acns). we investigated the absorption of acns after consumption of one portion (300 g) of minimally processed blueberry purée (p) obtained from blanched (bl) or unblanched (nb) berries. a repeated-measures, crossover design study was conducted on healthy human volunteers. blood was drawn between baseline and 24 h after bl-p or nb-p consumption, while urine were collected from the day before the experiment up t ...201222906096
an improved method for rna isolation from plants using commercial extraction kits.isolation of rna from plants rich in secondary metabolites using commercial kits often results in contaminated preparations which are not suitable for downstream applications. although many specific protocols appropriate for plants with a high content of phenolics, anthocyanins and polysaccharides have been developed, these are often expensive, time consuming and not applicable to different types of tissues. this study presents a simple and efficient modification of rna extraction from different ...201222826824
root anatomy, morphology, and longevity among root orders in vaccinium corymbosum (ericaceae).understanding root processes at the whole-plant or ecosystem scales requires an accounting of the range of functions within a root system. studying root traits based on their branching order can be a powerful approach to understanding this complex system. the current study examined the highly branched root system of the ericoid plant, vaccinium corymbosum l. (highbush blueberry) by classifying its root orders with a modified version of the morphometric approach similar to that used in hydrology ...200821628158
effects of southern highbush blueberry cultivar and treatment threshold on flower thrips populations.in florida, southern highbush (shb) blueberries (vaccinium corymbosum l. x vaccinium darrowi camp) are grown for a highly profitable early season fresh market. flower thrips are the key pest of shb blueberries, and frankliniella bispinosa (morgan) is the most common species found. flower thrips injure blueberry flowers by feeding and ovipositing in all developing tissues. these injuries can lead to scarring of developing fruit. the objectives of this study were to determine the relationship betw ...201222606818
organ-specific distribution of phenolic compounds in bilberry (vaccinium myrtillus) and 'northblue' blueberry (vaccinium corymbosum x v. angustifolium).blueberries and bilberries are recognized as some of the best sources of flavonoids, especially anthocyanins. the contents of flavonoids (anthocyanins, proanthocyanidins, flavonols) and hydroxycinnamic acids in the flower, fruit skin and pulp, leaf and rhizome of bilberry and the blueberry cultivar 'northblue' were analyzed using high-performance liquid chromatography combined with diode-array detection. the most striking difference in the fruits was the predominance of hydroxycinnamic acids in ...200826050178
emergence of blueberry maggot flies (diptera: tephritidae) from mulches and soil at various depths.control of blueberry maggot, rhagoletis mendax curran, typically is achieved with insecticides targeting adult flies before females oviposit in ripening fruit. management strategies targeting other life stages have received less attention. we tested effects of compost or pine needle mulches on emergence of blueberry maggot flies under laboratory and field conditions. few flies emerged from pupae that were buried under 20 cm of pine needles in all experiments, but burial in 20 cm of compost did n ...201222507011
fruit quality, antioxidant capacity, and flavonoid content of organically and conventionally grown blueberries.the effect of cultivation practices on fruit quality and antioxidant capacity in highbush blueberries var. bluecrop (vaccinium corymbosum l.) was evaluated from random samples of commercial late harvest fields in new jersey. results from this study showed that blueberry fruit grown from organic culture yielded significantly higher sugars (fructose and glucose), malic acid, total phenolics, total anthocyanins, and antioxidant activity (orac) than fruit from the conventional culture. in organicall ...200818590274
generation and analysis of blueberry transcriptome sequences from leaves, developing fruit, and flower buds from cold acclimation through deacclimation.there has been increased consumption of blueberries in recent years fueled in part because of their many recognized health benefits. blueberry fruit is very high in anthocyanins, which have been linked to improved night vision, prevention of macular degeneration, anti-cancer activity, and reduced risk of heart disease. very few genomic resources have been available for blueberry, however. further development of genomic resources like expressed sequence tags (ests), molecular markers, and genetic ...201222471859
steam-blanched highbush blueberry (vaccinium corymbosum l.) juice: phenolic profile and antioxidant capacity in relation to cultivar selection.high-quality standards in blueberry juice can be obtained only taking into account fruit compositional variability and its preservation along the processing chain. in this work, five highbush blueberry cultivars from the same environmental growing conditions were individually processed into juice after an initial blanching step and the influence was studied of the cultivar on juice phenolic content, distribution and relative antioxidant activity, measured as scavenging capacity on the artificial ...200818370394
high performance liquid chromatography analysis of anthocyanins in bilberries (vaccinium myrtillus l.), blueberries (vaccinium corymbosum l.), and corresponding juices.in the present study the anthocyanin content of commercially available bilberry juices and fresh fruits were quantified by using 15 authentic anthocyanin standards via high performance liquid chromatography with an ultra-violet detector (hplc-uv/vis). delphinidin-3-o-glucopyranoside, delphinidin-3-o-galactopyranoside, and cyanidin-3-o-arabinopyranoside were the major anthocyanins found in juices, nectar, and fresh bilberries. in contrast, fresh blueberries had higher concentrations of malvidin-3 ...201222394068
leaf phenology and seasonal variation of photosynthesis of invasive berberis thunbergii (japanese barberry) and two co-occurring native understory shrubs in a northeastern united states deciduous forest.early leafing and extended leaf longevity can be important mechanisms for the invasion of the forest understory. we compared the leaf phenology and photosynthetic characteristics of berberis thunbergii, an early leafing invasive shrub, and two co-occurring native species, evergreen kalmia latifolia and late leafing vaccinium corymbosum, throughout the 2004 growing season. berberis thunbergii leafed out 1 month earlier than v. corymbosum and approximately 2 weeks prior to the overstory trees. the ...200717647021
influence of native flowering plant strips on natural enemies and herbivores in adjacent blueberry fields.conservation plantings of native wildflowers were established adjacent to highbush blueberry (vaccinium corymbosum l.) fields to test the hypothesis that provision of resources for natural enemies increases their abundance in adjacent crop fields without increasing the abundance of pest insects. for two growing seasons, natural enemies and herbivorous insects were sampled in fields with flowering borders and in control fields where growers maintained standard mown grass perimeters. insects were ...201122251649
gene expression and metabolite profiling of developing highbush blueberry fruit indicates transcriptional regulation of flavonoid metabolism and activation of abscisic acid metabolism.highbush blueberry (vaccinium corymbosum) fruits contain substantial quantities of flavonoids, which are implicated in a wide range of health benefits. although the flavonoid constituents of ripe blueberries are known, the molecular genetics underlying their biosynthesis, localization, and changes that occur during development have not been investigated. two expressed sequence tag libraries from ripening blueberry fruit were constructed as a resource for gene identification and quantitative real ...201222086422
cultivar evaluation and effect of fermentation on antioxidant capacity and in vitro inhibition of α-amylase and α-glucosidase by highbush blueberry (vaccinium corombosum).the berry fruits of highbush blueberry (vaccinium corymbosum) contain bioactive compounds with potential health benefits. the objective was to evaluate blueberries grown in southern illinois as well as the effect of fermentation, at two different temperatures, on chemical and physical parameters. fruits from fifteen blueberry cultivars were analyzed. fruit diameter ranged from 12.8 mm to 18.7 mm, ph from 2.6 to 3.7, reducing sugars from 6.4% to 15.2%, total sugars from 13.9% to 21.6%, total poly ...201121761898
an efficient rna isolation procedure and identification of reference genes for normalization of gene expression in blueberry.application of transcriptomics approaches can greatly enhance our understanding of blueberry physiology. the success of transcriptomics approaches is dependent on the extraction of high-quality rna which is complicated by the abundance of polyphenolics and polysaccharides in blueberry. additionally, transcriptomics requires the accurate quantification of transcript abundance. quantitative real-time polymerase chain reaction (qrt-pcr) is a robust method to determine transcript abundance. normaliz ...201121761237
volatile composition of four southern highbush blueberry cultivars and effect of growing location and harvest date.the volatile composition of four southern highbush blueberry cultivars ('primadonna', 'jewel', 'snowchaser', and 'fl02-40') grown in two locations (gainesville and haines city, fl) and harvested multiple times was investigated. a total of 42 volatiles were identified, including 8 esters, 12 terpenoids, 11 aldehydes, 7 alcohols, and 4 ketones. twelve of these volatiles are reported for the first time in highbush blueberries, with 10 being positively identified: (z)-3-hexenal, (e,e)-2,4-hexadienal ...201121721574
shelf-life extension of highbush blueberry using 1-methylcyclopropene stored under air and controlled atmosphere.the potential of 1-methylcyclopropene for controlling ripening in 'lateblue' blueberry fruit was explored. after harvest, blueberry fruits were exposed to 1-mcp (0.3 and 0.6μll(-1)). after treatment, samples were stored in air at 0°c for 35days and in a controlled atmosphere (3kpa o2+11kpa co2) for 60days. quality parameters were monitored (weight loss, total soluble solids content, titratable acidity, firmness, anthocyanin content, phenolic content, total antioxidant capacity). blueberries trea ...201125213961
phenolics in slovenian bilberries ( vaccinium myrtillus l.) and blueberries ( vaccinium corymbosum l.).phenolics from bilberries ( vaccinium myrtillus l.) sampled from seven different locations and highbush blueberries ( vaccinium corymbosum l.) from one location in slovenia were analyzed. in samples of both species 15 anthocyanins were identified by lc-ms/ms. their contents were expressed as cyanidin 3-glucoside equivalents (c3ge); bilberries contained 1210.3 ± 111.5 mg c3ge/100 g fw and blueberries 212.4 ± 14.1 mg c3ge/100 g fw. glycosides of delphinidin and cyanidin were predominant (488.5 vs ...201121574578
edible neotropical blueberries: antioxidant and compositional fingerprint analysis.edible blueberry species are well recognized for their potential health benefits. ericaceae fruits including the north american highbush blueberry (vaccinium corymbosum l.) and five less common edible blueberry relatives from the new world tropics, anthopterus wardii ball, cavendishia grandifolia hoerold, macleania coccoloboides a. c. smith, sphyrospermum buxifolium poeppig & endlicher, and sphyrospermum cordifolium benth, were investigated for their antioxidant properties and phenolic profiles. ...201121391608
effect of high-oxygen atmospheres on blueberry phenolics, anthocyanins, and antioxidant capacity.the influence of high oxygen concentrations on total phenolic, total anthocyanin, individual phenolic compounds, and antioxidant capacity (measured as oxygen radical absorbance capacity, orac) in highbush blueberry fruit (vaccinium corymbosum l. cv. duke) was investigated. freshly harvested blueberries were placed in jars ventilated continuously with air or with 40, 60, 80, or 100% o(2) at 5 degrees c for up to 35 days. samples were taken initially and at 7-day intervals during storage. whereas ...200314611188
identification of aluminum-regulated genes by cdna-aflp analysis of roots in two contrasting genotypes of highbush blueberry (vaccinium corymbosum l.).to investigate the molecular mechanisms of al(3+)-stress in blueberry, a cdna-amplified fragment length polymorphism (cdna-aflp) analysis was employed to identify al-regulated genes in roots of contrasting genotypes of highbush blueberry (brigitta, al(3+)-resistant and bluegold, al(3+)-sensitive). plants grown in hydroponic culture were treated with 0 and 100 μm al(3+) and collected at different times over 48 h. seventy transcript-derived fragments (tdfs) were identified as being al(3+) responsi ...201121225377
comparative effects of nitrogen fertigation and granular fertilizer application on growth and availability of soil nitrogen during establishment of highbush blueberry.a 2-year study was done to compare the effects of nitrogen (n) fertigation and granular fertilizer application on growth and availability of soil n during establishment of highbush blueberry (vaccinium corymbosum l. "bluecrop"). treatments included four methods of n application (weekly fertigation, split fertigation, and two non-fertigated controls) and four levels of n fertilizer (0, 50, 100, and 150 kg·ha(-1) n). fertigation treatments were irrigated by drip and injected with a liquid urea sol ...201122639596
cooked blueberries: anthocyanin and anthocyanidin degradation and their radical-scavenging activity.this study examined anthocyanin and anthocyanidin composition and radical-scavenging activity of three cultivars of blueberries (vaccinium corymbosum l., cv. bluecrop, bluetravel, and ozarkblue) before and after cooking. a total of 13 anthocyanins were separated and monitored in methanolic extracts of raw fruits by high-performance liquid chromatography/diode array detector (hplc/dad). principal component analysis using the anthocyanin profile as variables revealed differences according to culti ...201020662539
bog bilberry (vaccinium uliginosum l.) extract reduces cultured hep-g2, caco-2, and 3t3-l1 cell viability, affects cell cycle progression, and has variable effects on membrane permeability.bog bilberry (vaccinium uliginosum l.) is a blue-pigmented edible berry related to bilberry (vaccinium myrtillus l.) and the common blueberry (vaccinium corymbosum). the objective of this study was to investigate the effect of a bog bilberry anthocyanin extract (bbae) on cell growth, membrane permeability, and cell cycle of 2 malignant cancer cell lines, caco-2 and hep-g2, and a nonmalignant murine 3t3-l1 cell line. bbae contained 3 identified anthocyanins. the most abundant anthocyanin was cyan ...201020492295
preparative separation of chlorogenic acid by centrifugal partition chromatography from highbush blueberry leaves (vaccinium corymbosum l.).blueberries (genus vaccinium) have gained worldwide focus because of the high anthocyanin content of their fruits. in contrast, the leaves of blueberry have not attracted any attention, even though they contain large quantities of chlorogenic acid, a strong antioxidant compound.201320310076
optimization of pheromone deployment for effective mating disruption of oriental beetle (coleoptera: scarabaeidae) in commercial blueberries.cost is a potential limiting factor in the adoption of mating disruption to control oriental beetle, anomala orientalis (waterhouse) (coleoptera: scarabaeidae). a 3-yr study was conducted in 1-ha blueberry, vaccinium corymbosum l., plots to test the possibility of lowering cost by reducing the number of point-source dispensers and pheromone [(z)-7-tetradecen-2-one] concentrations, while maintaining mating disruption. trap shutdown, as measured by the disruption index (di), caged females, and sen ...200919449647
monitoring and temperature-based prediction of the whitemarked tussock moth (lepidoptera: lymantriidae) in blueberry.larvae of the whitemarked tussock moth, orgyia leucostigma (j.e. smith) (lepidoptera: lymantriidae), defoliate and contaminate blueberries, vaccinium corymbosum l., in eastern north america, but infestations are often not detected until economic damage has been caused. to improve monitoring techniques and understand the phenology of the whitemarked tussock moth in blueberry, we compared four trap types and determined temperature-based phenology of this pest over two growing seasons. large delta ...200919449644
general method for extraction of blueberry anthocyanins and identification using high performance liquid chromatography-electrospray ionization-ion trap-time of flight-mass spectrometry.a systematic approach for optimizing the extraction and identification of anthocyanins from blueberries was explored using hplc-uv and hplc-esi-it-tof-ms. sample homogenization effects, extraction solvent selection, type of acid, and amount used in extraction solvent were investigated. a mixture of methanol:water:trifluoroacetic acid (70:30:1, v/v/v) was found to be the best solvent system for blueberry anthocyanin extraction. differences in total anthocyanin content due to commercial blueberry ...200919414178
abundance of icerya purchasi (hemiptera: margarodidae) and its parasitoid cryptochaetum iceryae (diptera: cryptochaetidae) in argentina blueberry crops.icerya purchasi maskell is a polyphagous scale pest of ornamentals and several other crops. it has two natural specialist enemies that maintain its populations at low levels: rodolia cardinalis (mulsant) and cryptochaetum iceryae (williston). i. purchasi was recently observed in blueberry crops (vaccinium corymbosum l.) in argentina. seven blueberry fields located in different agricultural landscapes were sampled from july 2006 to september 2008. i. purchasi was present only in the citrus areas ...200919389286
patterns of nocturnal rehydration in root tissues of vaccinium corymbosum l. under severe drought conditions.although roots in dry soil layers are commonly rehydrated by internal hydraulic redistribution during the nocturnal period, patterns of tissue rehydration are poorly understood. rates of nocturnal rehydration were examined in roots of different orders in vaccinium corymbosum l. 'bluecrop' (northern highbush blueberry) grown in a split-pot system with one set of roots in relatively moist soil and the other set of roots in dry soil. vaccinium is noted for a highly branched and extremely fine root ...200919188275
production and viability of unreduced gametes in triploid interspecific blueberry hybrids.three triploid (2n=3x=36) blueberry hybrids were obtained by hand-pollinating approximately 7,000 flowers of tetraploid highbush blueberry cultivars (based on vaccinium corymbosum l.) with pollen from the diploid species v. elliottii chapm. meiotic analysis of these triploids revealed trivalents, bivalents and univalents in all metaphase i cells, with lagging chromosomes evident at anaphase i. pollen of the three triploids was mostly aborted and did not stain with acetocarmine. however, the thre ...198824232275
in vitro attempts to overcome the cross-incompatibility between vaccinium corymbosum l. and v. elliottii chapm.seed was readily obtained from v. corymbosum zygotes using embryo rescue techniques, even when embryos were cultured at proembryonic stages. best in vitro seed development was obtained when ovules were cultured attached to placental tissues. successful fruit and seed development in culture occurred only when the fruit was cut longitudinally or when the basal portion of the fruit was removed previous to plating. addition of various vitamins, amino acids, and growth regulators to the nutrient medi ...198524254018
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