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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
antioxidant and metabolite profiling of north american and neotropical blueberries using lc-tof-ms and multivariate analyses.there are many neotropical blueberries, and recent studies have shown that some have even stronger antioxidant activity than the well-known edible north american blueberries. antioxidant marker compounds were predicted by applying multivariate statistics to data from lc-tof-ms analysis and antioxidant assays of 3 north american blueberry species (vaccinium corymbosum, vaccinium angustifolium, and a defined mixture of vaccinium virgatum with v. corymbosum) and 12 neotropical blueberry species (an ...201323547798
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
molecular characterisation of a calmodulin gene, vccam1, that is differentially expressed under aluminium stress in highbush blueberry.calmodulin (cam), a small acidic protein, is one of the best characterised ca(2+) sensors in eukaryotes. this ca(2+) -regulated protein plays a critical role in decoding and transducing environmental stress signals by activating specific targets. many environmental stresses elicit changes in intracellular ca(2+) activity that could initiate adaptive responses under adverse conditions. we report the first molecular cloning and characterisation of a calmodulin gene, vccam1 (vaccinium corymbosum ca ...201323627459
acetobacter strains isolated during the acetification of blueberry (vaccinium corymbosum l.) wine.highbush blueberries (vaccinium corymbosum l.) are known to have positive health benefits. the production of blueberry vinegar is one method to preserve this seasonal fruit and allow extended consumption. in this study, blueberry wine acetification was performed with naturally occurring micro-organisms and with an inoculated acetobacter cerevisiae strain. acetifications were carried out in triplicate using the schützenbach method. the successful spontaneous processes took up to 66% more time tha ...201323682741
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
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
the vaccinium corymbosum flowering locus t-like gene (vcft): a flowering activator reverses photoperiodic and chilling requirements in blueberry.the blueberry flowering locus t ( ft )-like gene ( vcft ) cloned from the cdna of a tetraploid, northern highbush blueberry ( vaccinium corymbosum l.) is able to reverse the photoperiodic and chilling requirements and drive early and continuous flowering.201323907615
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
occurrence of anthracnose on highbush blueberry caused by colletotrichum species in korea.a total of 82 isolates of colletotrichum species were obtained from anthracnose symptoms of highbush blueberry trees grown in the gochang area of korea during a disease survey in 2008. out of the isolates, 75 were identified as colletotrichum gloeosporioides and the others as c. acutatum based on their morphological and cultural characteristics. twenty six of c. gloeosporioides isolates produced their teleomorph glomerella cingulata in pda culture. three isolates of each c. gloeosporioides and c ...200923983555
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
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
determination of free amino acids and 18 elements in freeze-dried strawberry and blueberry fruit using an amino acid analyzer and icp-ms with micro-wave digestion.the objective of this study was to investigate the level of 18 trace elements of two freeze-dried samples from the blueberry (vaccinium corymbosum) and the strawberry (fragaria × ananassa). the total free amino acid composition in the blueberry and strawberry was determined by an amino acid analyzer. eleven free amino acids were found in both berries. the trace elements in each dried fruit sample were determined by icp-ms with microwave digestion. the linearity range of the standard curves was 0 ...201424206704
growth characteristics and ion contents of non-selected and salt-selected callus lines of highbush blueberry (vacdnium corymbosum) cultivars blue crop and denise blue.non-selected and sodium chloride selected callus lines of vacdnium corymbosum l.cv blue crop and cv. denise blue were grown on media supplemented with 0-100 mm nacl. for both cultivars, fresh weight and dry weight yields were greater in selected lines on all levels of nacl. selected lines of blue crop displayed better growth than selected lines of denise blue at most concentrations of nacl. internal na(+) and cl(-) concentrations in selected and non-selected lines of both cultivars increased as ...199024226601
early-acting inbreeding depression and reproductive success in the highbush blueberry, vaccinium corymbosum l.tetraploid vaccinium corymbosum genotypes exhibit wide variability in seed set following self- and cross-pollinations. in this paper, a post-zygotic mechanism (seed abortion) under polygenic control is proposed as the basis for fertility differences in this species. a pollen chase experiment indicated that self-pollen tubes fertilize ovules, but are also 'outcompeted' by foreign male gametes in pollen mixtures. matings among cultivars derived from a pedigree showed a linear decrease in seed numb ...199024226746
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
multiple criteria for evaluating pollinator performance in highbush blueberry (ericales: ericaceae) agroecosystems.numerous bee species provide pollination services in agricultural ecosystems. evaluating a pollinator's performance with regard to a crop is an important step in attributing pollination services and predicting how changes in a bee community or foraging environment will affect those services. we used multiple criteria to evaluate pollinators of north carolina highbush blueberry, vaccinium corymbosum l., agroecosystems. for five groups of bees (apis mellifera l., bombus spp., habropoda laboriosa f ...201324280253
vaccinium corymbosum l. (blueberry) extracts exhibit protective action against cadmium toxicity in saccharomyces cerevisiae cells.blueberries (vaccinium corymbosum l.) are a rich source of antioxidants and their consumption is believed to contribute to food-related protection against oxidative stress. in the present study, the chemoprotective action of blueberry extracts against cadmium toxicity was investigated using a cadmium-hypersensitive strain of saccharomyces cerevisiae. four varieties of blueberries were used in the study, and it was found that the extracts with high content of total anthocyanidins exhibited signif ...201424444969
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
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
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
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
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
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
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
survival of listeria monocytogenes on fresh blueberries (vaccinium corymbosum) stored under controlled atmosphere and ozone.listeria monocytogenes is a foodborne pathogen that represents a high risk for consumers because it can grow under refrigeration conditions and can also develop acid tolerance. fresh blueberries are hand-picked, packed, and transported under refrigeration without receiving a microbial inactivation treatment. the aim of this work was to study the survival of l. monocytogenes in fresh highbush blueberries stored at 4 or 12 °c under different controlled atmosphere conditions, including air (control ...201424780341
bee species diversity enhances productivity and stability in a perennial crop.wild bees provide important pollination services to agroecoystems, but the mechanisms which underlie their contribution to ecosystem functioning--and, therefore, their importance in maintaining and enhancing these services-remain unclear. we evaluated several mechanisms through which wild bees contribute to crop productivity, the stability of pollinator visitation, and the efficiency of individual pollinators in a highly bee-pollination dependent plant, highbush blueberry. we surveyed the bee co ...201424817218
exobasidium maculosum, a new species causing leaf and fruit spots on blueberry in the southeastern usa and its relationship with other exobasidium spp. parasitic to blueberry and cranberry.exobasidium leaf and fruit spot of blueberry (vaccinium section cyanococcus) is an emerging disease that has rapidly increased in prevalence throughout the southeastern usa. to determine whether this disease is caused by a new species of exobasidium, we studied the morphology and phylogenetic relationship of the causal fungus compared with other members of the genus, including the type species e. vaccinii and other species that parasitize blueberry and cranberry (v. macrocarpon). both scanning e ...201624871592
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
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
high ice nucleation activity located in blueberry stem bark is linked to primary freeze initiation and adaptive freezing behaviour of the bark.controlled ice nucleation is an important mechanism in cold-hardy plant tissues for avoiding excessive supercooling of the protoplasm, for inducing extracellular freezing and/or for accommodating ice crystals in specific tissues. to understand its nature, it is necessary to characterize the ice nucleation activity (ina), defined as the ability of a tissue to induce heterogeneous ice nucleation. few studies have addressed the precise localization of ina in wintering plant tissues in respect of it ...201425082142
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
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
adoption of exotic plants by an endemic australian weevil, orthorhinus cylindrirostris (coleoptera: curculionidae).the elephant weevil orthorhinus cylindrirostris (f.) (coleoptera: curculionidae) is endemic to australia and has colonized several exotic crops including citrus, blueberries, and grapevines. we compared the life history of this pest on two native and two exotic host plants: hickory wattle acacia falcata willdenow, rough-barked apple angophora floribunda (smith) sweet, lemon citrus limon (l.) burman, and blueberry vaccinium corymbosum (l.). blueberry was attacked more often (22 of the 24 plants) ...201425198945
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
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
lack of pollinators limits fruit production in commercial blueberry (vaccinium corymbosum).modern agriculture relies on domesticated pollinators such as the honey bee (apis mellifera l.), and to a lesser extent on native pollinators, for the production of animal-pollinated crops. there is growing concern that pollinator availability may not keep pace with increasing agricultural production. however, whether crop production is in fact pollen-limited at the field scale has rarely been studied. here, we ask whether commercial highbush blueberry (vaccinium corymbosum l.) production in new ...201425313694
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
blueberry (vaccinium corymbosum l.).vaccinium consists of approximately 450 species, of which highbush blueberry (vaccinium corymbosum) is one of the three major vaccinium fruit crops (i.e., blueberry, cranberry, and lingonberry) domesticated in the twentieth century. in blueberry the adventitious shoot regeneration using leaf explants has been the most desirable regeneration system to date; agrobacterium tumefaciens-mediated transformation is the major gene delivery method and effective selection has been reported using either th ...201525416254
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
phenolic acids of the two major blueberry species in the us market and their antioxidant and anti-inflammatory activities.highbush (cultivated) and lowbush (wild) are the two major blueberry species in the us market. eight phenolic acids were detected and quantified from these two species by hplc-ms. chlorogenic acid was found to be the predominant phenolic acid in both species, with 0.44 mg/g fresh weight in lowbush blueberries and 0.13 mg/g fresh weight in highbush blueberries. total phenolic content in lowbush blueberries is over three times higher than that of highbush blueberries. the phenolic acid mixtures re ...201525535004
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
xylella fastidiosa isolates from both subsp. multiplex and fastidiosa cause disease on southern highbush blueberry (vaccinium sp.) under greenhouse conditions.xylella fastidiosa is a xylem-limited gram-negative plant pathogen that affects numerous crop species, including grape, citrus, peach, pecan, and almond. recently, x. fastidiosa has also been found to be the cause of bacterial leaf scorch on blueberry in the southeastern united states. thus far, all x. fastidiosa isolates obtained from infected blueberry have been classified as x. fastidiosa subsp. multiplex; however, x. fastidiosa subsp. fastidiosa isolates are also present in the southeastern ...201525738552
genetic variability of blueberry scorch virus isolates from highbush blueberry in new york state.the genetic variability of blueberry scorch virus (blscv) isolates from new york was determined within a portion of the rna-dependent rna polymerase gene and the triple gene block and coat protein (cp) genes. phylogenetic analysis of 19 new york isolates and other isolates for which sequence information is available in genbank revealed two distinct clades, regardless of the coding region analyzed, and limited variability within (0.029 ± 0.007) and between (0.183 ± 0.032) phylogroups. recombinati ...201525809019
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
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
postharvest shelf life extension of blueberries using a biodegradable package.small berries are commonly packaged and sold to consumers in vented petroleum-based clamshell containers. biodegradable and compostable packages may be used as an alternative package to reduce waste generation and landfill disposal. in addition, the current clamshell container design does not allow the development of a modified atmosphere that could prolong berry shelf life. thus, in this study, a non-ventilated biodegradable container was evaluated as a possible alternative to the containers no ...200826050174
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
elevated genetic diversity in the emerging blueberry pathogen exobasidium maculosum.emerging diseases caused by fungi are increasing at an alarming rate. exobasidium leaf and fruit spot of blueberry, caused by the fungus exobasidium maculosum, is an emerging disease that has rapidly increased in prevalence throughout the southeastern usa, severely reducing fruit quality in some plantings. the objectives of this study were to determine the genetic diversity of e. maculosum in the southeastern usa to elucidate the basis of disease emergence and to investigate if populations of e. ...201526207812
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
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
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
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
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
structure of the tortricid-parasitoid community in a recently introduced crop.the introduction of exotic commercial plants represents a change in the food resources for the communities of herbivores. the blueberry is native to the northern hemisphere and was recently introduced in argentina, so we expect to find polyphagous tortricids and a low complexity in the tortricid-parasitoid community. tortricids are exophytic leaf-rollers and flower and fruit feeders, they can feed on different plant structures, and they may be present in every blueberry phenological stage. the a ...201526385238
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
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
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
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
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
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
effect of phytosanitary irradiation and methyl bromide fumigation on the physical, sensory, and microbiological quality of blueberries and sweet cherries.the objective of this study was to determine whether irradiation could serve as a suitable phytosanitary treatment alternative to methyl bromide (mb) fumigation for blueberries and sweet cherry and also to determine the effect of phytosanitary irradiation treatment on survival of salmonella spp. and listeria monocytogenes on these fruit. 'bluecrop' blueberries (vaccinium corymbosum) and 'sweetheart' cherries (prunus avium) were irradiated at 0.4 kgy or fumigated with methyl bromide and evaluated ...201626805024
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
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
shelf life determination of fresh blueberries (vaccinium corymbosum) stored under controlled atmosphere and ozone.fresh blueberries are commonly stored and transported by refrigeration in controlled atmospheres to protect shelf life for long periods of storage. ozone is an antimicrobial gas that can extend shelf life and protect fruit from microbial contamination. shelf life of fresh highbush blueberries was determined over 10-day storage in isolated cabinets at 4°c or 12°c under different atmosphere conditions, including air (control); 5% o2 : 15% co2 : 80% n2 (controlled atmosphere storage (cas)); and ozo ...201526904657
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
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
myo-inositol content determined by myo-inositol biosynthesis and oxidation in blueberry fruit.myo-inositol metabolism in plant edible organs has become the focus of many recent studies because of its benefits to human health and unique functions in plant development. in this study, myo-inositol contents were analyzed during the development of two blueberry cultivars, cv 'berkeley' and cv 'bluecrop'. furthermore, two vcmips 1/2 (vaccinium corymbosum mips) genes, one vcimp (vaccinium corymbosum imp) gene and one vcmiox (vaccinium corymbosum miox) gene were isolated for the first time from ...027211661
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
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
antimicrobial, antiadhesive and antibiofilm activity of an ethanolic, anthocyanin-rich blueberry extract purified by solid phase extraction.the present work aimed to characterize the impact of an anthocyanin-rich blueberry extract upon the growth, adhesion and biofilm formation of several pathogens including some multiresistant bacteria.201627349348
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
contrasting pollinators and pollination in native and non-native regions of highbush blueberry production.highbush blueberry yields are dependent on pollination by bees, and introduction of managed honey bees is the primary strategy used for pollination of this crop. complementary pollination services are also provided by wild bees, yet highbush blueberry is increasingly grown in regions outside its native range where wild bee communities may be less adapted to the crop and growers may still be testing appropriate honey bee stocking densities. to contrast crop pollination in native and non-native pr ...201627391969
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
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
frugivory by brown marmorated stink bug (hemiptera: pentatomidae) alters blueberry fruit chemistry and preference by conspecifics.the brown marmorated stink bug, halyomorpha halys (stål), is an invasive pest from asia that feeds on many agricultural crops in the united states, including blueberries. yet, the effects of h. halys feeding on fruit chemistry and induced resistance to insects remain unknown. here we hypothesized that frugivory by h. halys changes fruit chemical composition, which in turn affects insect feeding behavior. in field experiments, blueberry fruit was either mechanically injured or injured by 0 (contr ...027550164
protective effects of a blueberry extract in acute inflammation and collagen-induced arthritis in the rat.here we investigated the anti-inflammatory effect of a blueberry extract in the carrageenan-induced paw edema model and collagen-induced arthritis model, both in rats. along with the chemical characterization of the phenolic content of the fruits and extract, the antioxidant potential of the extract, the cellular antioxidant activity and the effects over neutrophils' oxidative burst, were studied in order to provide a mechanistic insight for the anti-inflammatory effects observed. the extract si ...027551767
bioactive extracts from berry byproducts on the pathogenicity of salmonella typhimurium.the aim of this study was to evaluate the phenotypic and genotypic properties of salmonella enterica serovar typhimurium (st) in the presence of lethal and sublethal concentrations (slc2log) of blackberry (rubus fruticosus) and blueberry (vaccinium corymbosum) pomace extracts. antimicrobial susceptibility, physicochemical properties, motility, biofilm formation ability, virulence gene expression patterns, and the ability of st to colonize in chick cecum were evaluated in the presence of these bi ...201627565525
variation of anthocyanins and other major phenolic compounds throughout the ripening of four portuguese blueberry (vaccinium corymbosum l) cultivars.blueberries are widely recognised as one of the richest sources of bioactive compounds, among which are anthocyanins, though the ripeness of berries has been reported as affecting the phytochemical composition of fruits. therefore, the present work aimed to evaluate the variation of anthocyanins, and other major phenolics, throughout five ripening stages in four blueberry cultivars. the results showed that the antioxidant capacity and anthocyanin content increased during ripening, reaching the h ...027686738
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
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
native bee diversity and pollen foraging specificity in cultivated highbush blueberry (ericaceae: vaccinium corymbosum) in rhode island.we identified 41 species of native bees from a total of 1,083 specimens collected at cultivated highbush blueberry plantings throughout rhode island in 2014 and 2015. andrena spp., bombus spp., and xylocopa virginica (l.) were collected most often. bombus griseocollis (degeer), b. impatiens cresson, b. bimaculatus cresson, b. perplexus cresson, and andrena vicina smith collected the largest mean numbers of blueberry pollen tetrads. the largest mean percent blueberry pollen loads were carried by ...201627744311
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
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
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
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
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
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
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
native bee diversity and pollen foraging specificity in cultivated highbush blueberry (ericaceae: vaccinium corymbosum) in rhode island.we identified 41 species of native bees from a total of 1,083 specimens collected at cultivated highbush blueberry plantings throughout rhode island in 2014 and 2015. andrena spp., bombus spp., and xylocopa virginica (l.) were collected most often. bombus griseocollis (degeer), b. impatiens cresson, b. bimaculatus cresson, b. perplexus cresson, and andrena vicina smith collected the largest mean numbers of blueberry pollen tetrads. the largest mean percent blueberry pollen loads were carried by ...201628028090
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
red fruits: extraction of antioxidants, phenolic content, and radical scavenging determination: a review.red fruits, as rich antioxidant foods, have gained over recent years capital importance for consumers and manufacturers. the industrial extraction of the phenolic molecules from this source has been taking place with the conventional solvent extraction method. new non-conventional extraction methods have been devised as environmentally friendly alternatives to the former method, such as ultrasound, microwave, and pressure assisted extractions. the aim of this review is to compile the results of ...028106822
vcbbx, vcmyb21, and vcr2r3myb transcription factors are involved in uv-b-induced anthocyanin biosynthesis in the peel of harvested blueberry fruit.this study was carried out to better understand the mechanism responsible for increasing the anthocyanins in blueberries after uv-b radiation at 6.0 kj m(-2) for 20 min. uv-b induced upregulation of genes involved in anthocyanin biosynthesis in blueberry fruit compared to a nontreated control. phenylalanine ammonia lyase, chalcone synthase, and flavanone 3'-hydroxylase, which are enzymes that function upstream of anthocyanin biosynthesis, were significantly expressed by uv-b. expression levels o ...028166404
the pentafluorophenyl stationary phase shows a unique separation efficiency for performing fast chromatography determination of highbush blueberry anthocyanins.a high-performance liquid chromatography method using an alternative pentafluorophenyl (pfp) core-shell stationary phase has been developed and used for rapid separation of 23 anthocyanins in a highbush blueberry bluehaven cultivar. a high efficiency of separation of anthocyanins was achieved in the core-shell column kinetex pfp, 150×4.6mm (particle size 2.6µm) with a 5×4.6mm precolumn, using a simple linear gradient elution with a mobile phase of acetonitrile and a water solution of 2% formic a ...201728213230
phenolic acid profiling, antioxidant, and anti-inflammatory activities, and mirna regulation in the polyphenols of 16 blueberry samples from china.to investigate the anti-atherosclerosis related mechanism of blueberries, the phenolic acids (pas) content, antioxidant and anti-inflammatory activities, as well as the microrna (mirna) regulation of polyphenol fractions in blueberry samples from china were studied. sixteen batches of blueberries including 14 commercialized cultivars (reka, patriot, brigitta, bluecrop, berkeley, duke, darrow, northland, northblue, northcountry, bluesource, southgood, o'neal, and misty) were used in this study. s ...201728218703
eradication and sensitization of methicillin resistant staphylococcus aureus to methicillin with bioactive extracts of berry pomace.the therapeutic roles of phenolic blueberry (vaccinium corymbosum) and blackberry (rubus fruticosus) pomace (commercial byproduct) extracts (bpe) and their mechanism of actions were evaluated against methicillin resistant staphylococcus aureus (mrsa). five major phenolic acids of bpe, e.g., protocatechuic, p. coumaric, vanillic, caffeic, and gallic acids, as well as crude bpe completely inhibited the growth of vegetative mrsa in vitro while bpe+methicillin significantly reduced mrsa biofilm form ...201728270804
diversity of fungal assemblages in roots of ericaceae in two mediterranean contrasting ecosystems.the plants belonging to the ericaceae family are morphologically diverse and widely distributed groups of plants. they are typically found in soil with naturally poor nutrient status. the objective of the current study was to identify cultivable mycobionts from roots of nine species of ericaceae (calluna vulgaris, erica arborea, erica australis, erica umbellate, erica scoparia, erica multiflora, arbutus unedo, vaccinium myrtillus, and vaccinium corymbosum). the sequencing approach was used to am ...201728302364
comparison of anti-inflammatory activities of an anthocyanin-rich fraction from portuguese blueberries (vaccinium corymbosum l.) and 5-aminosalicylic acid in a tnbs-induced colitis rat model.despite the actual therapeutic approaches for inflammatory bowel disease (ibd), efficient and secure alternative options remain a research focus. in this context, anthocyanins seem promising natural anti-inflammatory agents, but their action mechanisms and efficacy as compared with established drugs still require more clarification. the main aim of this study was to compare the anti-inflammatory action of a chemically characterized anthocyanin-rich fraction (arf), obtained from portuguese bluebe ...201728329021
managed bumble bees (bombus impatiens) (hymenoptera: apidae) caged with blueberry bushes at high density did not increase fruit set or fruit weight compared to open pollination.highbush blueberry (vaccinium corymbosum l.) is an important crop grown throughout florida. currently, most blueberry growers use honey bees (apis mellifera l.) to provide pollination services for highbush blueberries even though bumble bees (bombus spp.) have been shown to be more efficient at pollinating blueberries on a per bee basis. in general, contribution of bumble bees to the pollination of commercial highbush blueberries in florida is unknown. herein, we determined if managed bumble bee ...201728334127
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