Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| effects of sampling time and nitrogen fertilization on anthocyanidin levels in vaccinium myrtillus fruits. | vaccinium myrtillus berries (bilberries) contain antioxidants, in particular anthocyanins, which are secondary metabolites that have proven health-promoting effects. bilberries were collected at the svartberget research forest in northern sweden from plots with no, low, and high applications of nh(4)no(3) on three replicated dates in each year from 2005-2007, and their anthocyanidin contents were analyzed by high performance liquid chromatography. their mean total anthocyanidin contents were 9.0 ... | 2009 | 19368355 |
| an evidence-based systematic review of bilberry (vaccinium myrtillus) by the natural standard research collaboration. | an evidence-based systematic review including written and statistical analysis of scientific literature, expert opinion, folkloric precedent, history, pharmacology, kinetics/dynamics, interactions, adverse effects, toxicology, and dosing. | 2009 | 22435415 |
| [rational utilization of vaccinium myrtillus berries]. | 2009 | 13208192 | |
| expression profiling of genes targeted by bilberry (vaccinium myrtillus) in macrophages through dna microarray. | to evaluate the anti-inflammatory function and underlying genes targeted by bilberry, gene expression profiling through dna microarray was performed on bilberry extract-treated macrophages. among 22,050 oligonucleotides, the expression levels of 998 genes were increased by > or = twofold in lipopolysaccharide (lps)-activated raw264 cells, 358 gene signals of which were attenuated by bilberry extract (> or = 1.5-fold). expression levels of 2,086 genes were decreased by > or = twofold in lps-activ ... | 2008 | 19003580 |
| a comparative ultrastructural study of pit membranes with plasmodesmata associated thickenings in four angiosperm species. | recent micromorphological observations of angiosperm pit membranes have extended the number and range of taxa with pseudo-tori in tracheary elements. this study investigates at ultrastructural level (tem) the development of pseudo-tori in the unrelated malus yunnanensis, ligustrum vulgare, pittosporum tenuifolium, and vaccinium myrtillus in order to determine whether these plasmodesmata associated thickenings have a similar developmental pattern across flowering plants. at early ontogenetic stag ... | 2008 | 18769866 |
| influence of clonal growth on selfing rate in vaccinium myrtillus l. | clonal growth, which allows the multiplication of flowering shoots of the same genet, can lead to a large floral display and may thus increase the rate of selfing through geitonogamy as a consequence of an increase in the number of successively visited flowers. the aim of the present research was to analyse the combined effect of the diversity and intermingling of clones on the rate of selfing in vaccinium myrtillus. four mother plants were selected within patches characterised by contrasting cl ... | 2008 | 18761502 |
| bilberry extract reduces uva-induced oxidative stress in hacat keratinocytes: a pilot study. | exposure to uva radiation is known to cause many adverse biological effects by inducing the stricken cells to produce reactive oxygen species (ros). in recent years the use of botanicals has received considerable interest in the skin protection. bilberry (vaccinium myrtillus l.) fruit contains several polyphenols with strong antioxidant and anti-inflammatory properties. in this study we evaluated potential uva preventive effect of v. myrtillus fruit extract (vme; anthocyanins, 25% w/w) in hacat ... | 2008 | 19509461 |
| colonization genetics of an animal-dispersed plant (vaccinium membranaceum) at mount st helens, washington. | population founding and spatial spread may profoundly influence later population genetic structure, but their effects are difficult to quantify when population history is unknown. we examined the genetic effects of founder group formation in a recently founded population of the animal-dispersed vaccinium membranaceum (black huckleberry) on new volcanic deposits at mount st helens (washington, usa) 24 years post-eruption. using amplified fragment length polymorphisms and assignment tests, we dete ... | 2008 | 18194163 |
| 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 ... | 2008 | 26050178 |
| analysis of anthocyanin variation in wild populations of bilberry (vaccinium myrtillus l.) in finland. | the berries of vaccinium myrtillus l. are characterized by 15 anthocyanins. to study the variation in the anthocyanins on a south-north axis of about 1000 km in finland, the berries from 179 individual bilberry plants in 20 populations were analyzed using an optimized rp-hplc-dad method. the mean content of the total anthocyanins was 2878 mg/100 g dry weight. there was extensive variation in the anthocyanin contents within and between the populations, suggesting differences in berry raw material ... | 2008 | 18072741 |
| protective effects of bilberry (vaccinium myrtillus l.) extract on kbro3-induced kidney damage in mice. | potassium bromate (kbro3) is an oxidizing agent used as a food additive which causes kidney damage as a potent nephrotoxic agent, and the mechanism may be explained by the generation of oxygen free radicals. our experiments showed that single intraperitoneal administration of 200 mg/kg kbro3 could induce serious kidney damage, with an increase in serum blood urea nitrogen (bun) and creatinine levels. five-day oral administration of bilberry ( vaccinium myrtillus l.) extract at 50, 100, and 200 m ... | 2008 | 18092757 |
| berries as chemopreventive dietary constituents--a mechanistic approach with the apcmin/+ mouse. | berries contain a number of compounds that are proposed to have anticarcinogenic properties. we wanted to see if pure ellagic acid, natural ellagitannins and three wild berries have any effect on the adenoma formation in apc- mutated min/+ mice. min/+ mice were fed high-fat ain93-g diets containing 10% (w/w) freeze-dried bilberry (vaccinium myrtillus), lingonberry (vaccinium vitis-idaea), cloudberry (rubus chamaemorus), cloudberry seeds or cloudberry pulp or pure ellagic acid at 1564 mg/kg for 1 ... | 2008 | 18296318 |
| relationships between advance oak regeneration and biotic and abiotic factors. | relationships between advance regeneration of four tree species (red maple (acer rubrum l.), white oak (quercus alba l.), chestnut oak (q. montana willd.) and northern red oak (q. rubra l.)) and biotic (non-tree vegetation and canopy composition) and abiotic (soil series and topographic variables) factors were investigated in 52, mature mixed-oak stands in the central appalachians. aggregate height was used as a composite measure of regeneration abundance. analyses were carried out separately fo ... | 2008 | 18450575 |
| protective effects of bilberry (vaccinium myrtillus l.) extract on restraint stress-induced liver damage in mice. | our experiments showed that 18 h restraint stress could induce serious liver damage, with an increase in plasma alanine aminotransferase (alt) level (107.68 +/- 3.19 u/l vs 18.08 +/- 1.46 u/l). meanwhile, we observed increased malondialdehyde (mda) levels and lowered oxygen radical absorbance capacity (orac) values in plasma and liver of restraint mice compared with starved mice. bilberry extract (containing 42.04% anthocyanins) was oral administrated to mice at 50, 100, and 200 mg/(kg x day) fo ... | 2008 | 18690680 |
| toxicological assessment of p-9801091 plant mixture extract after chronic administration in cba/hzg mice--a biochemical and histological study. | acute, subchronic and chronic effects of the p-9801091 plant mixture extract at a dose of 20 mg/kg body mass were assessed in serum of healthy cba/hzg mice at 24 hours, 7 days, 3 months and 6 months of treatment (experimental group), and compared with the values obtained in the control group of untreated healthy cba/hzg mice. the p-9801091 plant mixture extract is an antihyperglycemic preparation containing myrtilli folium (vaccinium myrtillus l.), taraxaci radix (taraxacum officinale web.), cic ... | 2008 | 18756913 |
| increasing litter species richness reduces variability in a terrestrial decomposer system. | debate on the relationship between diversity and stability has been driven by the recognition that species loss may influence ecosystem properties and processes. we conducted a litterbag experiment in the scottish highlands, united kingdom, to examine the effects of altering plant litter diversity on decomposition, microbial biomass, and microfaunal abundance. the design of treatments was fully factorial and included five species from an upland plant community (silver birch, betula pendula; scot ... | 2008 | 18831186 |
| influence of altitudinal variation on the content of phenolic compounds in wild populations of calluna vulgaris, sambucus nigra, and vaccinium myrtillus. | this study deals with the effect of altitudinal variation on the content of phenolic compounds in three traditional herbal plants, which are also consumed as food in central europe. herbs of calluna vulgaris (l.) hull, flowers and fruits of sambucus nigra l., and berries of vaccinium myrtillus l. collected in the naturpark solktaler (austria) were extracted using accelerated solvent extraction (ase). identification and quantification of the constituents in the polar extracts (methanol 80%, v/v) ... | 2008 | 18788745 |
| characterization and fate of black currant and bilberry flavonols in enzyme-aided processing. | the fate of black currant ( ribes nigrum l.) and bilberry ( vaccinium myrtillus l.) flavonols in enzyme-aided processing was studied. the flavonols were quantified and characterized by high-performance liquid chromatography equipped with a diode array detector and an electrospray ionization mass spectrometer. a tentative identification for 14 black currant and 19 bilberry flavonols is presented representing 11 previously unpublished conjugates. for the first time in any berry, the presence of la ... | 2008 | 18426212 |
| wild vascular plants gathered for consumption in the polish countryside: a review. | this paper is an ethnobotanical review of wild edible plants gathered for consumption from the end of the 18th century to the present day, within the present borders of poland. | 2007 | 17433114 |
| bilberry (vaccinium myrtillus) anthocyanins modulate heme oxygenase-1 and glutathione s-transferase-pi expression in arpe-19 cells. | to determine whether anthocyanin-enriched bilberry extracts modulate pre- or posttranslational levels of oxidative stress defense enzymes heme-oxygenase (ho)-1 and glutathione s-transferase-pi (gst-pi) in cultured human retinal pigment epithelial (rpe) cells. | 2007 | 17460300 |
| the effect of blueberry extracts on giardia duodenalis viability and spontaneous excystation of cryptosporidium parvum oocysts, in vitro. | the protozoan parasites giardia duodenalis and cryptosporidium parvum are common causes of diarrhoea, worldwide. effective drug treatment is available for g. duodenalis, but with anecdotal evidence of resistance or reduced compliance. there is no effective specific chemotherapeutic intervention for cryptosporidium. recently, there has been renewed interest in the antimicrobial properties of berries and their phenolic compounds but little work has been done on their antiparasitic actions. the eff ... | 2007 | 17560322 |
| protective effect of anthocyanin-rich extract from bilberry (vaccinium myrtillus l.) against myelotoxicity induced by 5-fluorouracil. | the toxicities associated with 5-fluorouracil (5-fu), a potent broad-spectrum chemotherapeutic agent, can not only affect the morbidity and the efficacy of chemotherapy but also limit its clinical use. the objective of this study is to investigate the effects of a commercial anthocyanin-rich extract from bilberry (areb) against 5-fu-induced myelotoxicity in vivo, and against chemosensitivity to 5-fu in vitro. a single injection of 5-fu at 200 mg/kg induced severe peripheral erythrocytopenia, thr ... | 2007 | 17611294 |
| diversity of fungi in hair roots of ericaceae varies along a vegetation gradient. | ericaceous dwarf shrubs including calluna vulgaris and vaccinium spp. occur both in open heathland communities and in forest ecosystems as understory vegetation. ericaceous shrubs were once thought to form ericoid mycorrhizal associations with a relatively narrow range of ascomycetous fungi closely related to, and including, rhizoscyphus ericae. however, perceptions have recently changed since the realization that a broader range of ascomycete fungi, and in some cases basidiomycete fungi, can al ... | 2007 | 17908212 |
| study of diversity of anthocyanin composition in bilberry (vaccinium myrtillus l.) fruits. | qualitative and quantitative composition of anthocyanins in bilberry (vaccinium myrtillus l.) fruits was assayed. the aim of our study was to evaluate total anthocyanin content and their composition in bilberries collected from various regions and at different time. for the quantification of total anthocyanins in frozen fruits, the spectrophotometrical assay was performed. the highest amount of anthocyanins in bilberry fruits, collected in lithuania, was found in samples from silute (0.399%), th ... | 2007 | 18182842 |
| interrelation between some butterflies and plant associations (turkey). | the butterfly fauna in ordu province (n-turkey) was determined in this study. their relations with the phytosociological associations found in the zone were evaluated and the lepidoptera taxa in these units were presented. the numbers of determined taxa in each plant association are castanea-carpinus-corylus (23), fagus orientalis, carpinus betulus and picea orientalis mixed forest zone (23), subalpine zone (rhododendron luteum-vaccinium myrtillus) (25), lower alpine zone (festuca lazistanica ss ... | 2007 | 19069995 |
| protective activities of vaccinium antioxidants with potential relevance to mitochondrial dysfunction and neurotoxicity. | both the neurotransmitter dopamine (da) and a neurotoxic metabolite, 6-hydroxy da, can be oxidized to generate hydrogen peroxide and other reactive species (ros). ros promote oxidative stress and have been implicated in dopaminergic neurodegeneration, e.g., parkinson's disease (pd). there is also evidence for a relation between catecholamine-mediated oxidative damage in dopaminergic neurons and the effects of these neurotransmitters on the redox state of cytochrome c (cytc). in neurons and other ... | 2007 | 16956663 |
| complementarity in mineral nitrogen use among dominant plant species in a subalpine community. | the underlying mechanisms that enable plant species to coexist are poorly understood. complementarity in resource use is among the major mechanisms proposed that could favor species coexistence but is insufficiently documented. in alpine soil, low temperatures are a major constraint for the supply of plant nitrogen. we carried out (15)n labeling of soil mineral n to determine to what extent four major species of a subalpine community compete for n, or develop ionic (nh(4)(+) vs. no(3)(-)) or tem ... | 2007 | 21636372 |
| [analysis of anthocyanin content in bilberry (vaccinium myrtillus l.) fruit crude drugs by high-performance liquid chromatography method]. | bilberry (vaccinium myrtillus l.) is rich in flavonoids (major part anthocyanins), tannins, phenolic and organic acids, and other biologically active compounds. anthocianins possess a broad spectrum of therapeutic properties. variation in anthocyanin content of bilberry fruit crude drugs is significant in optimizing collection conditions. bilberry (vaccinium myrtillus l.) crude drug samples were collected in july-september of 2006 in natural environment in the territory of lithuania. ultrasonic ... | 2007 | 17768372 |
| anthocyanosides of vaccinium myrtillus (bilberry) for night vision--a systematic review of placebo-controlled trials. | we have systematically reviewed placebo-controlled trials of v. myrtillus-extracted anthocyanosides for evidence of positive effects on night vision. searches of computerized databases and citations in retrieved articles identified 30 trials with outcome measures relevant to vision in reduced light. of these, 12 were placebo-controlled. the 4 most recent trials were all randomized controlled trials (rcts) and were negative in outcome. a fifth rct and 7 non-randomized controlled trials reported p ... | 2007 | 14711439 |
| [the major sources of daily dietary intake of micronutrients in the adult rural population of the republic of chuvashia]. | the paper presents the results of determination of the basic sources of micronutrients in the nutrition of the rural population of the chuvash republic. the importance of foodstuffs, the sources of nutrients, was determined by factor mathematical analysis, by estimating the weight factors. all the products used in the daily ration were studied, which permitted elucidation of the importance of individual russia-specific products. by reason of the uniform pattern of nutrition in chuvashia, virtual ... | 2007 | 17526227 |
| interactions between gray-sided voles (clethrionomys rufucanus) and bilberry (vaccinium myrtillus), their main winter food plant. | we compared the abundance, population structure and palatability of bilberry ramets on vole-free islands, islands with voles but no predators (predator-free islands) and mainland sites with both voles and predators. as expected, bilberry biomass was strongly correlated with the herbivory pressure exerted by the voles, since it was significantly lower on the mainland, and much (>80%) lower on the predator-free islands, than on the vole-free islands. however, another finding, which conflicts with ... | 2007 | 17287954 |
| variation in transfer factor of radiocaesium in bank voles (clethrionomys glareolus) in clear cut and mature forest sites after the chernobyl accident. | bank voles that were collected between 1986 and 2004 at sites in chernobyl fallout areas of northern sweden showed higher (137)cs activity concentrations at the mature forest sites compared to clear cuts. this difference was not attributed to differences in ground deposition between sites but to differences in aggregated transfer rates to voles. differences in transfer between forest types were evident for all years 1986-2004 but the change occurred at different rates in the two habitats. the ap ... | 2007 | 17137685 |
| anthocyanosides of vaccinium myrtillus (bilberry) for night vision--a systematic review of placebo-controlled trials. | 2007 | 15530951 | |
| bilberry adulteration using the food dye amaranth. | vaccinium myrtillus or bilberry fruit is a commonly used herbal product. the usual method of determining the anthocyanin content is a single-wavelength spectrophotometric assay. using this method, anthocyanin levels of two extracts were found to be 25% as claimed by the manufacturers. when high-performance liquid chromatography (hplc) was used, however, one extract was found to contain 9% anthocyanins probably not derived from v. myrtillus but from an adulterant. this adulterant was subsequently ... | 2006 | 16968108 |
| explaining bank vole cycles in southern norway 1980-2004 from bilberry reports 1932-1977 and climate. | correlations between mast fruiting of bilberry vaccinium myrtillus and peak levels of clethrionomys-voles have been reported from both norway and finland, but there has been a discussion whether this is a bottom-up or a top-down relationship. in a multiple regression model, 65% of the variation in a bilberry production index calculated from game reports from southern norway 1932-1977 could be explained by the berry index of the two preceding years and climate factors acting during key stages of ... | 2006 | 16344969 |
| responses to ammonium and nitrate additions by boreal plants and their natural enemies. | separate effects of ammonium (nh4+) and nitrate (no3-) on boreal forest understorey vegetation were investigated in an experiment where 12.5 and 50.0 kg nitrogen (n) ha(-1) year(-1) was added to 2 m2 sized plots during 4 years. the dwarf-shrubs dominating the plant community, vaccinium myrtillus and v. vitis-idaea, took up little of the added n independent of the chemical form, and their growth did not respond to the n treatments. the grass deschampsia flexuosa increased from the n additions and ... | 2006 | 16199116 |
| cutin composition of five finnish berries. | the raw cutin (i.e., extractive-free isolated cuticular membrane) fraction from finnish berries, sea buckthorn (hippophaë rhamnoides), black currant (ribes nigrum), cranberry (vaccinium oxycoccos), lingonberry (vaccinium vitis-idaea), and bilberry (vaccinium myrtillus), was depolymerized by naome-catalyzed methanolysis. the composition of cutin monomers was determined by gc-(ei)ms analysis either as methyl esters or as tmsi esters, with oh groups derivatized to tmsi ethers. there was a notable d ... | 2006 | 16417304 |
| age-associated changes in oxidative damage and the activity of antioxidant enzymes in rats with inherited overgeneration of free radicals. | reactive oxygen species have been hypothesized to play an important role in the process of aging. to investigate the correlation between oxidative stress and accumulation of protein and dna damage, we have compared the age-dependent levels of protein carbonyl groups and the activities of antioxidant enzymes superoxide dismutase, catalase and glutathione peroxidase in cytosol and mitochondrial extracts from liver cells of wistar and oxys rats. the latter strain is characterized by increased sensi ... | 2006 | 16563232 |
| population genetic analysis of phialocephala fortinii s.l. and acephala applanata in two undisturbed forests in switzerland and evidence for new cryptic species. | the genetic structure of the root endophytes phialocephala fortinii s.l. and acephala applanata was analyzed in two undisturbed forests. a total of 606 strains isolated from surface-sterilized, fine roots of picea abies and vaccinium myrtillus were examined. two new cryptic species of p. fortinii were recognized and host specialization of a. applanata was confirmed. this species was almost exclusively isolated from roots of p. abies. the index of association did not deviate significantly from ze ... | 2006 | 16631398 |
| anthocyanin-rich extracts inhibit multiple biomarkers of colon cancer in rats. | the aim of the present study was to investigate the chemoprotective activity of anthocyanin-rich extracts (ares) from bilberry (vaccinium myrtillus l.), chokeberry (aronia meloncarpa e.), and grape (vitis vinifera) by assessing multiple biomarkers of colon cancer in male rats treated with a colon carcinogen, azoxymethane. fischer 344 male rats were fed the ain-93 diet (control) or ain-93 diet supplemented with ares for 14 wk. biomarkers that were evaluated included the number and multiplicity of ... | 2006 | 16800776 |
| bioavailability and tissue distribution of anthocyanins in bilberry (vaccinium myrtillus l.) extract in rats. | to clarify how structural diversity of anthocyanins relates to their in vivo function, bioavailability was precisely studied in rats using bilberry (vaccinium myrtillus l.) extract (bilberon 25) as an anthocyanin source that contains 15 different anthocyanins. the bilberry extract was orally or intravenously administered to rats, and the plasma levels of each anthocyanin were determined by high-performance liquid chromatography. as the result, all anthocyanins except peonidin 3-o-alpha-l-arabino ... | 2006 | 16939312 |
| determining diet composition on complex swards using n-alkanes and long-chain fatty alcohols. | we conducted an experiment to quantify the accuracy of methods based on n-alkanes and long-chain fatty alcohols for determining the diet composition of animals grazing complex swards. we cut forage from two indigenous vegetation communities, a molinia caerulea-dominated grassland and a calluna vulgaris-dominated dwarf-shrub community, and offered it to mature ewes in different ratios in a zero-grazing experiment. nine dietary categories were identified within the forage offered: molinia caerulea ... | 2006 | 17069381 |
| opposite effects of antioxidants on anxiety in wistar and oxys rats. | passive behavior in the open field test and high anxiety in an elevated plus-maze develop in oxys rats by the age of 3 months and are regarded as manifestations of early aging. we studied the possibility of preventing these disturbances with vitamin e and whortleberry extract (20 mg/kg for 45 days from the age of 1.5 months). whortleberry extract alone increased horizontal activity and reduced anxiety of oxys rats, while anxiety in wistar rats increased significantly after treatment with both pr ... | 2006 | 17364063 |
| use of multiplex terminal restriction fragment length polymorphism for rapid and simultaneous analysis of different components of the soil microbial community. | a multiplex terminal restriction fragment length polymorphism (m-trflp) fingerprinting method was developed and validated for simultaneous analysis of the diversity and community structure of two or more microbial taxa (up to four taxa). the reproducibility and robustness of the method were examined using soil samples collected from different habitats. dna was pcr amplified separately from soil samples using individual taxon-specific primers for bacteria, archaea, and fungi. the same samples wer ... | 2006 | 16936053 |
| [application of chemiluminescent methods for analysis of the antioxidant activity of herbal extracts]. | with help methods chemiluminecent make analysis of the antioxidant activity a series herbal extracts. the herbal e[tractions with distinct antioxidant activity were selected: origanum vulgare ((l.), filipendula ulmaria maxim (l.), thimus serpyllum (l.), chamaenerion angustifolium (l.), ledum palustre (l.), viburnum opulus, salix pentandra (l.), vaccinium myrtillus (l.), flnus incana (l.0, bergenia crassifolia (l.). antioxidant properties of this medicine plants may be used for prophylaxis and me ... | 2006 | 16729755 |
| characterization of phenolic profiles of northern european berries by capillary electrophoresis and determination of their antioxidant activity. | berries are known to contain phenolic substances (i.e., flavonoids and phenolic acids), which comprise two large and heterogeneous groups of biologically active nonnutrients. this investigation evaluated the content and profile of the phenolic compounds present in six different berries found in northern europe. the latter included bilberry (vaccinium myrtillus), cowberry (vaccinium vitis-idaea), cranberry (vaccinium oxycoccus), strawberry (fragaria ananassa), black currant (ribes nigrum), and re ... | 2005 | 16076138 |
| polyamine profiles of healthy and parasite-infected vaccinium myrtillus plants under nitrogen enrichment. | addition of nitrogen (n) to the field layer of boreal forests has been shown to increase the occurrence of the parasitic fungus valdensia heterodoxa on vaccinium myrtillus plants. we investigated whether n addition to soil alters the levels of polyamines in v. myrtillus shoots, and discuss here whether such changes could promote the spread of the parasitic fungus on v myrtillus. using hplc, we analyzed the concentrations of free and conjugated polyamines in healthy and naturally v. heterodoxa-in ... | 2005 | 15898501 |
| habitat factors associated with bank voles (clethrionomys glareolus) and concomitant hantavirus in northern sweden. | puumala virus (puuv), genus hantavirus, causes nephropathia epidemica, a mild form of hemorrhagic fever with renal syndrome in humans. in this study, bank voles, the natural reservoir of puuv, were captured at locations of previous human puuv exposure and paired controls within a region of high incidence in northern sweden. the aim of the study was to evaluate the influence of environmental factors on the abundance of bank voles and the occurrence of puuv. the total number of voles and the numbe ... | 2005 | 16417427 |
| the gathering and consumption of wild edible plants in the campoo (cantabria, spain). | this paper discusses the traditional consumption of wild edible plants in the rural communities of the campoo (cantabria), a region in northern spain. through semi-structured interviews with key informants, data on the perception, gathering, preparation and use of 60 edible wild plant species were collected. social, economic and cultural factors need to be taken into account when trying to understand why some wild foods and traditional vegetables continue to be consumed while others are not. wil ... | 2005 | 16503563 |
| catechins and procyanidins in berries of vaccinium species and their antioxidant activity. | the fractions of monomeric catechins and the fractions of dimeric and trimeric procyanidins were extracted and concentrated from wild berries of vaccinium species to study their antioxidant activities. the compositions of the fractions were analyzed using high-performance liquid chromatography combined with diode-array and electrospray ionization mass spectrometric detection. rare a-type dimers and trimers were identified as the predominant procyanidins in wild lingonberry, cranberry, bilberry, ... | 2005 | 16248542 |
| efficacy of troxerutin on streptozotocin-induced rat model in the early stage of diabetic retinopathy. | the vascular changes associated with early diabetic retinopathy, which include the formation of microaneurysms and acellular capillaries, vessel dilation, vascular endothelial growth factor expression, were investigated experimentally in streptozotocin-induced diabetic rats treated with antioxidants: troxerutin (trihydroxy-ethylrutoside, cas 7085-55-4), vaccinium myrtillus, and calcium dobesilate (hydroquinone calcium sulfonate, cas 20123-80-2). the development and progression of retinopathy was ... | 2005 | 16294503 |
| gene expression of the ericoid mycorrhizal fungus oidiodendron maius in the presence of high zinc concentrations. | a heavy metal tolerant strain of the ericoid mycorrhizal species oidiodendron maius, isolated from roots of vaccinium myrtillus growing in soil heavily contaminated with zinc, was previously shown to tolerate high concentrations of zinc and cadmium ions in the growth medium. we have investigated the genetic basis of this fungal strain tolerance to high zinc concentrations by using an untargeted approach. from a cdna library constructed by using mrna from zn-treated o. maius mycelia, 444 clones w ... | 2005 | 15558329 |
| do multitrophic interactions override n fertilization effects on operophtera larvae? | we examined how performance of operophtera brumata (lepidoptera) larvae was affected by nitrogen (n) fertilization of boreal forest understorey vegetation. we monitored larval densities on vaccinium myrtillus plants for a period of 7 years in a field experiment. preliminary results indicated that the n effect on larval densities was weak. to examine if this was due to indirect interactions with a plant pathogen, valdensia heterodoxa, that share the same host plant, or due to top-down effects of ... | 2005 | 15655688 |
| [mechanisms that limit pollinator range in ericaceae]. | studies were conducted in 2001-2003 at valdai national park (novgorod region) and at the zvenigorod biological station of moscow state university. the morphology of flowers, flowering dynamics and composition of insect visiting flowers of ericaceae species: andromeda polifolia, chamaedaphne calyculata, ledum palustre, oxycoccus palustris, vaccinium myrtillus, v. uliginosum, and v. vitis-idaea l. were studied. some species of insects visiting flowers were excluded from the list of pollinators on ... | 2005 | 15977429 |
| antioxidant properties of prepared blueberry (vaccinium myrtillus) extracts. | a blueberry extract (a) and two anthocyanin-derived extracts (b and c) were prepared. the contents of polyphenols, flavonoids, anthocyanins, and anthocyanin-derived pigments of the extracts were determined for the first time. the pigment profile of blueberry extract a corresponded to 15 anthocyanins, whereas extract b was mainly composed of anthocyanin-pyruvic acid adducts of the blueberry original anthocyanins and extract c was mainly composed of the respective vinylpyranoanthocyanin-catechins ... | 2005 | 16104817 |
| growth and reproduction of the alpine grasshopper miramella alpina feeding on co2-enriched dwarf shrubs at treeline. | the consequences for plant-insect interactions of atmospheric changes in alpine ecosystems are not well understood. here, we tested the effects of elevated co(2) on leaf quality in two dwarf shrub species (vaccinium myrtillus and v. uliginosum) and the response of the alpine grasshopper (miramella alpina) feeding on these plants in a field experiment at the alpine treeline (2,180 m a.s.l.) in davos, switzerland. relative growth rates (rgr) of m. alpina nymphs were lower when they were feeding on ... | 2005 | 15480804 |
| effects of commercial anthocyanin-rich extracts on colonic cancer and nontumorigenic colonic cell growth. | commercially prepared grape (vitis vinifera), bilberry (vaccinium myrtillus l.), and chokeberry (aronia meloncarpa e.) anthocyanin-rich extracts (ares) were investigated for their potential chemopreventive activity against colon cancer. the growth of colon-cancer-derived ht-29 and nontumorigenic colonic ncm460 cells exposed to semipurified ares (10-75 microg of monomeric anthocyanin/ml) was monitored for up to 72 h using a sulforhodamine b assay. all extracts inhibited the growth of ht-29 cells, ... | 2004 | 15453676 |
| isolation of two anthocyanin sambubiosides from bilberry (vaccinium myrtillus) by high-speed counter-current chromatography. | high-speed counter-current chromatography (hsccc) was used for the separation of anthocyanins on a preparative scale from bilberry fruit crude extract (vaccinium myrtillus, ericaceae) with a biphasic solvent system composed of methyl tert-butyl ether-n-butanol-acetonitrile-water-trifluoroacetic acid (1:4:1:5:0.01, v/v). each injection of 500 mg crude extract yielded 130 mg of pure delphinidin-3-o-sambubioside, and 77 mg of pure cyanidin-3-o-sambubioside. the two anthocyanin disaccharides with a ... | 2004 | 15378879 |
| avoidance of nonhost plants by a bark beetle, pityogenes bidentatus, in a forest of odors. | the bark beetle, pityogenes bidentatus (coleoptera: scolytidae), searches in mixed conifer and deciduous forests of northern europe for suitable branches of its host, scots pine ( pinus sylvestris). we tested whether odors from several diverse nonhost trees and plants common in the habitat (e.g., mountain ash, sorbus aucuparia; oak, quercus robur; alder buckthorn, frangula alnus; blueberry, vaccinium myrtillus; raspberry, rubus idaeus; and grass, deschampsia flexuosa) would reduce the attraction ... | 2004 | 15146267 |
| anthocyanins and glutathione s-transferase activities in response to low temperature and frost hardening in vaccinium myrtillus (l.). | anthocyanin (acy) contents and gst activities of bilberry (vaccinium myrtillus l.) were investigated in two experiments conducted in june (exp. i: active growth) and in august september (exp. ii: beginning of frost hardening) in northern finland (65 degrees n). bilberry plants were subjected to +2 degrees c and +18 degrees c in exp. i or +5/0 degrees c (day/night) and +18/+13 degrees c (day/night) in exp. ii. gst activities were assessed using either 1-chloro-2,4-dinitrobenzene (cdnb) or trans-c ... | 2004 | 15384401 |
| nitrogen-induced changes in phenolics of vaccinium myrtillus--implications for interaction with a parasitic fungus. | the effects of nitrogen (n) fertilization on the phenolic status of vaccinium myrtillus leaves were studied to assess whether n amendment affects the potentially defensive phenolic metabolites in a way that could have consequences for the interaction with a parasitic fungus (valdensia heterodoxa). healthy (symptomless) and v. heterodoxa-infected leaves were collected from plants grown in the understorey of a boreal coniferous forest, where they received no additional n or either a moderate or a ... | 2004 | 15609829 |
| lc/pda/esi-ms profiling and radical scavenging activity of anthocyanins in various berries. | anthocyanin extracts of two blueberries, vaccinium myrtillus (bilberry) and vaccinium ashei (rabbiteye blueberry), and of three other berries, ribes nigrum (black currant), aronia melanocarpa (chokeberry), and sambucus nigra (elderberry), were analyzed by high-performance liquid chromatography coupled with photodiode array detection and electrospray ionization - mass spectrometry (lc/pda/esi-ms). both bilberry and rabbiteye blueberry contained 15 identical anthocyanins with different distributio ... | 2004 | 15577184 |
| inhibition of protein and lipid oxidation in liposomes by berry phenolics. | the antioxidant activity of berry phenolics (at concentrations of 1.4, 4.2, and 8.4 mug of purified extracts/ml of liposome sample) such as anthocyanins, ellagitannins, and proanthocyanidins from raspberry (rubus idaeus), bilberry (vaccinium myrtillus), lingonberry (vaccinium vitis-idaea), and black currant (ribes nigrum) was investigated in a lactalbumin-liposome system. the extent of protein oxidation was measured by determining the loss of tryptophan fluorescence and formation of protein carb ... | 2004 | 15563229 |
| structural dependence of hplc separation pattern of anthocyanins from bilberry (vaccinium myrtillus l.). | an hplc method using isocratic elution was established for the analysis of fifteen anthocyanins contained in bilberry (vaccinium myrtillus l.). separation was attained by using an aqueous solution of 20% methanol containing 0.5% tfa as the mobile phase with a flow rate of 2 ml/min. the detection limit was 0.3 pmol for delphinidin 3-o-beta-d-glucopyranoside, which is a major anthocyanin in bilberry extract. the reproducibility was 0.19-3.85% (s.e.m) for peak area and 0.64-0.77% (s.e.m) for relati ... | 2004 | 15133222 |
| complete assignment of bilberry (vaccinium myrtillus l.) anthocyanins separated by capillary zone electrophoresis. | capillary zone electrophoresis (cze) mobilities of fifteen anthocyanins in bilberry extract were completely characterized. four minor anthocyanins in bilberry extract (malvidin 3-o-alpha-l-arabinopyranoside (mv 3-ara), peonidin 3-o-beta-d-galactopyranoside (pn 3-gal), peonidin 3-o-alpha-l-arabinopyranoside (pn 3-ara), and petunidin 3-o-alpha-l-arabinopyranoside (pt 3-ara)) that remained unidentified in our previous cze study were isolated from the bilberry extract, and the chemical structures we ... | 2004 | 14758008 |
| activation of flavonoid biosynthesis by solar radiation in bilberry ( vaccinium myrtillus l) leaves. | the effect of solar radiation on flavonoid biosynthesis was studied in bilberry ( vaccinium myrtillus l.) leaves. expression of flavonoid pathway genes of bilberry was studied in the upper leaves of bilberry, exposed to direct sunlight, in the shaded leaves growing lower in the same plants and in fruits. bilberry-specific digoxigenin-dutp-labeled cdna fragments of five genes from the general phenylpropanoid pathway coding phenylalanine ammonia-lyase and from the flavonoid pathway coding chalcone ... | 2004 | 14666422 |
| comparison of anthocyanin pigment and other phenolic compounds of vaccinium membranaceum and vaccinium ovatum native to the pacific northwest of north america. | two huckleberry species, vaccinium membranaceum and vaccinium ovatum, native to pacific northwestern north america, were evaluated for their total, and individual, anthocyanin and polyphenolic compositions. vaccinium ovatum had greater total anthocyanin (acy), total phenolics (tp), oxygen radical absorbing capacity (orac), and ferric reducing antioxidant potential (frap) than did v. membranaceum. the ph and degrees brix were also higher in v. ovatum. berry extracts from each species were separat ... | 2004 | 15537315 |
| resveratrol, pterostilbene, and piceatannol in vaccinium berries. | a study was conducted to determine the presence of resveratrol, pterostilbene, and piceatannol in vaccinium berries. samples representing selections and cultivars of 10 species from mississippi, north carolina, oregon, and canada were analyzed by gas chromatography/mass spectrometry. resveratrol was found in vaccinium angustifolium (lowbush blueberry), vaccinium arboretum (sparkleberry), vaccinium ashei (rabbiteye blueberry), vaccinium corymbosum (highbush blueberry), vaccinium elliottii (elliot ... | 2004 | 15264904 |
| resveratrol in raw and baked blueberries and bilberries. | resveratrol in the fruits of bilberry (vaccinium myrtillus l.), the lowbush "wild" blueberry (vaccinium angustifolium aiton), the rabbiteye blueberry (vaccinium ashei reade), and the highbush blueberry (vaccinium corymbosum l.) were measured using a new assay based on high-performance liquid chromatography-tandem mass spectrometry (lc-ms/ms). the lc-ms/ms assay provided lower limits of detection than previous methods for resveratrol measurement, 90 fmol of trans-resveratrol injected on-column, a ... | 2003 | 13129286 |
| nitrogen acquisition from inorganic and organic sources by boreal forest plants in the field. | a wide range of recent studies have indicated that organic nitrogen may be of great importance to plant nitrogen (n) nutrition. most of these studies have, however, been conducted in laboratory settings, excluding important factors for actual plant uptake, such as competition, mycorrhizal associations and soil interactions. in order to accurately evaluate the importance of different n compounds to plant n nutrition, field studies are crucial. in this study, we investigated short- as well as long ... | 2003 | 12883986 |
| contrasting strategies for uv-b screening in sub-arctic dwarf shrubs. | the content and distribution of uv-absorbing phenolic compounds was investigated in leaves of three species of vaccinium co-existing at a site in north sweden. vaccinium myrtillus l., vaccinium vitis-idaea l., and vaccinium uliginosum l. exhibit markedly different strategies, in terms of localization and content of leaf phenolics and in their responses to uv-b enhancement. plants were exposed to either ambient radiation or to enhancement of uv-b corresponding to 15% (clear sky) depletion of stra ... | 2003 | 12803622 |
| regional differences in the occurrence of understorey species reflect nitrogen deposition in swedish forests. | possible links between the occurrence of vaccinium myrtillus, v. vitis-idaea and deschampsia flexuosa and rates of nitrogen deposition were investigated in 557 coniferous forest stands. in areas with high n-deposition, v. myrtillus was less frequent, less abundant and more susceptible to the leaf pathogen valdensia heterodoxa than in areas with lower levels of n-deposition. the occurrence of v. vitis-idaea was also strongly negatively correlated with increasing n-deposition, but no such trend wa ... | 2003 | 12733792 |
| glutathione s-transferases and malondialdehyde in the liver of nod mice on short-term treatment with plant mixture extract p-9801091. | changes in the concentration of glutathione s-transferases (gsts) and malondialdehyde (mda) were assessed in the liver of normal and diabetic nod mice with and without treatment with the plant extract p-9801091. the plant extract p-9801091 is an antihyperglycaemic preparation containing myrtilli folium (vaccinium myrtillus l.), taraxaci radix (taraxacum of fi cinale web.), cichorii radix (cichorium intybus l.), juniperi fructus (juniperus communis l.), centaurii herba (centaurium umbellatum gili ... | 2003 | 12722130 |
| pathogenicity of phytophthora infestans on solanaceous and asteraceous plant species in cameroon. | experiments were conducted to detect potential hosts of phytophthora infestans, causal agent of potato late blight. isolates of p. infestans recovered from garden huckleberry (solanum scabrum), potato (s. tuberosum) and tomato (lycopersicon esculentum) were inoculated on detached leaves of 12 solanaceous and 14 asteraceous plant species collected in and around potato fields in the western highlands of cameroon. the inoculated leaves were maintained in petri dishes in the laboratory for 7 days at ... | 2003 | 15151295 |
| induction of apoptosis in cancer cells by bilberry (vaccinium myrtillus) and the anthocyanins. | among ethanol extracts of 10 edible berries, bilberry extract was found to be the most effective at inhibiting the growth of hl60 human leukemia cells and hct116 human colon carcinoma cells in vitro. bilberry extract induced apoptotic cell bodies and nucleosomal dna fragmentation in hl60 cells. the proportion of apoptotic cells induced by bilberry extract in hct116 was much lower than that in hl60 cells, and dna fragmentation was not induced in the former. of the extracts tested, that from bilbe ... | 2003 | 12502387 |
| [importance of biologically active components and plants in the prevention of complications of diabetes mellitus]. | diabetes complications, especially late (chronic) ones, are the main reasons of invalidity and early mortality. the most threatening diabetes complications are vascular and metabolic complications (diabetic neuropathy, angiopathy, cataract, glaucoma, optic neuropathy, retinopathy, diabetic nephropathy). good diabetes control is very important, because in early stages these changes are reversible. in order to decrease the number of diabetes complications and to postpone their development, the use ... | 2002 | 12532704 |
| nitrate reductase activity in some subarctic species and uv influence in the foliage of betula pendula roth. seedlings. | nitrate reductase (nr) activity was studied in the foliage of five subarctic species: mature trees of european white birch (betula pubescens erch. s.s.), scots pine (pinus sylvestris l.), norway spruce (picea abies l. karst), ericaceous shrub bilberry (vaccinium myrtillus l.), naturally growing in a forest, and seed-grown silver birch (betula pendula roth.) seedlings in an ultraviolet (uv) exclusion field experiment at the pallas-ounastunturi national park in finnish lapland (68 degrees n). mean ... | 2002 | 11846159 |
| expression of genes involved in anthocyanin biosynthesis in relation to anthocyanin, proanthocyanidin, and flavonol levels during bilberry fruit development. | the production of anthocyanins in fruit tissues is highly controlled at the developmental level. we have studied the expression of flavonoid biosynthesis genes during the development of bilberry (vaccinium myrtillus) fruit in relation to the accumulation of anthocyanins, proanthocyanidins, and flavonols in wild berries and in color mutants of bilberry. the cdna fragments of five genes from the flavonoid pathway, phenylalanine ammonia-lyase, chalcone synthase, flavanone 3-hydroxylase, dihydroflav ... | 2002 | 12376640 |
| isolation of high quality rna from bilberry (vaccinium myrtillus l.) fruit. | a simple and efficient method is described for isolating high quality rna from bilberry fruit. the procedure is based on the use of hexadecyltrimethyl ammonium bromide (ctab), polyvinylpyrrolidone (pvp), and beta-mercaptoethanol in an extraction buffer in order to eliminate the polysaccharides and prevent the oxidation of phenolic compounds. this method is a modification of the one described for pine trees, and yields high-quality rna suitable for cdna based methodologies. this method is applica ... | 2001 | 11725489 |
| comparison of two methods used to analyse lipid peroxidation from vaccinium myrtillus (l.) during snow removal, reacclimation and cold acclimation. | malondialdehyde (mda) concentration is a widely used method to analyse lipid peroxidation in biological material. in plant tissues, however, certain compounds (anthocyanins, carbohydrates) may interfere with measurements which may lead to an overestimation of the mda levels. two methods were compared for analysing lipid peroxidation, either uncorrected or corrected for interfering compounds. the comparison was performed in three separate experiments with respect to cold treatments (snow removal ... | 2001 | 11709587 |
| effect of industrial pollution on soil-to-plant transfer of plutonium in a boreal forest. | plutonium in a forest ecosystem was studied at different distances from the copper and nickel smelter at monchegorsk, kola peninsula, russia. soil and plant samples were collected 7 (site a), 16 (b), 21 (c) and 28 (d) km from the smelter and at a reference site situated in finland, 152 km from monchegorsk. the deposition of cu in litter and in the organic layer decreased from 10700 mg/m2 at site a to 33 mg/m2 at the reference site, the deposition of ni from 14300 to 29 mg/m2. from the reference ... | 2001 | 11669264 |
| airborne heavy metal pollution and its effects on foliar elemental composition of empetrum hermaphroditum and vaccinium myrtillus in sør-varanger, northern norway. | uptake of al, cu, fe, mn, ni, ca, k, mg, p, and s in empetrum nigrum l. ssp. hermaphroditum hagerup and vaccinium myrtillus l. from ni, cu and so2 contaminated sites in sør-varanger, northern norway, were investigated. the primary objective was to study the effect of airborne heavy metal pollution on foliar element composition of these two dwarf shrubs. ni distribution and availability in soils clearly indicate atmospheric deposition of ni particulates in sør-varanger. foliar ni concentrations i ... | 2001 | 11584644 |
| leaf habit influences nitrogen remobilization in vaccinium species. | the effect of n supply on plant growth and leaf demography of a deciduous and an evergreen ericaceae was studied in relation to their internal cycling of n. mature ramets of vaccinium myrtillus (deciduous) and vaccinium vitis-idaea (evergreen) were established in sand culture for 1 year with an adequate supply of a balanced nutrient solution. during one growing season, the plants were given two levels of n supply enriched with 15n and eight sequential destructive harvests were taken. recovery of ... | 2001 | 11432916 |
| a novel plant alpha4-fucosyltransferase (vaccinium myrtillus l.) synthesises the lewis(a) adhesion determinant. | we have partially characterised an alpha4-fucosyltransferase (alpha4-fuct) from vaccinium myrtillus, which catalysed the biosynthesis of the lewis(a) adhesion determinant. the enzyme was stable up to 50 degrees c. the optimum ph was 7.0, both in the presence and in the absence of mn(2+). the enzyme was inhibited by mn(2+) and co(2+), and showed resistance towards inhibition with n-ethylmaleimide. it transferred fucose to n-acetylglucosamine in the type i galbeta3glcnac motif from oligosaccharide ... | 2001 | 11423123 |
| native vaccinium spp. and gaylussacia spp. infested by rhagoletis mendax (diptera: tephritidae) in the great lakes region: a potential source of inoculum for infestation of cultivated blueberries. | in this study, we addressed the question of whether or not native stands of blueberry (vaccinium spp.) and/or huckleberry (gaylussacia spp.) support populations of blueberry maggot, rhagoletis mendax curran, in the great lakes region. infestation of commercial blueberries by the blueberry maggot, r. mendax, is a serious problem in many areas where blueberries are grown. in the past 10-20 yr, commercial bighbush blueberry, vaccinium corymbosum l., production has expanded into places such as south ... | 2001 | 11777039 |
| berry phenolics and their antioxidant activity. | phenolic profiles of a total of 26 berry samples, together with 2 apple samples, were analyzed without hydrolysis of glycosides with hplc. the phenolic contents among different berry genera varied considerably. anthocyanins were the main phenolic constituents in bilberry, bog-whortleberry, and cranberry, but in cowberries, belonging also to the family ericaceae genus vaccinium, flavanols and procyanidins predominated. in the family rosaceae genus rubus (cloudberry and red raspberry), the main ph ... | 2001 | 11513713 |
| comparison of the element composition in several plant species and their substrate from a 1500000-km2 area in northern europe. | leaves of 9 different plant species (terrestrial moss represented by: hylocomium splendens and pleurozium schreberi; and 7 species of vascular plants: blueberry, vaccinium myrtillus; cowberry, vaccinium titis-idaea; crowberry, empetrum nigrum; birch, betula pubescens; willow, salix spp.; pine, pinus sylvestris and spruce, picea abies) have been collected from up to 9 catchments (size 14-50 km2) spread over a 1500000 km2 area in northern europe. soil samples were taken of the o-horizon and of the ... | 2001 | 11669279 |
| monograph. vaccinium myrtillus (bilberry). | 2001 | 11703171 | |
| influence of extreme pollution on the inorganic chemical composition of some plants. | leaves of nine different plant species (terrestrial moss: hylocomium splendens and pleurozium schreberi, blueberry: vaccinium myrtillus, cowberry: vaccinium vitis-idaea, crowberry: empetrum nigrum, birch: betula pubescens, willow: salix spp., pine: pinus sylvestris, and spruce: picea abies) have been collected from up to nine catchments (size 14-50 km2) spread over a 1,500,000 km2 area in northern europe. additional soil samples were taken from the o-horizon and the c-horizon at each plant sampl ... | 2001 | 11706797 |
| effect of 'antidiabetis' herbal preparation on serum glucose and fructosamine in nod mice. | the antihyperglycemic effect of the antidiabetis herbal preparation ((myrtilli folium (vaccinium myrtillus l.), taraxaci radix (taraxacum officinale web.), cichorii radix (cichorium intybus l.), juniperi fructus (juniperus communis l.), centaurii herba (centaurium umbellatum gilib.), phaseoli pericarpium (phaseolus vulgaris), millefollii herba (achillea millefolium l.), morii folium (morus nigra l.), valeriane radix (valleriana officinalis l.), urticae herba et radix (urtica dioica l.)), patent ... | 2001 | 11297848 |
| determination of anthocyanidins in berries and red wine by high-performance liquid chromatography. | a high-performance liquid chromatographic (hplc) method for the determination of anthocyanidins from berries and red wine is described. delphinidin, cyanidin, petunidin, pelargonidin, peonidin, and malvidin contents of bilberry (vaccinium myrtillus), black currant (ribes nigrum), strawberry (fragaria ananassa cv. jonsok), and a cabernet sauvignon (vitis vinifera) red wine were determined. the aglycon forms of the anthocyanins present in the samples were revealed by acid hydrolysis. a reversed ph ... | 2001 | 11559107 |
| identification of anthocyanins in berries by narrow-bore high-performance liquid chromatography with electrospray ionization detection. | qualitative determination of anthocyanins in extracts of red fruits by narrow-bore hplc/esi-ms was carried out. this method was used to investigate anthocyanin contents of black bilberry (vaccinium myrtillus l.), blackberry (rubus sp.), and mulberry (morus nigra). an ultraviolet diode array and a mass spectrometer with esi source were used for detection. anthocyanin identifications were made by using retention time data and uv-vis and mass spectra and comparing them with those of commercially av ... | 2001 | 11513700 |
| chronic fatigue syndrome: oxidative stress and dietary modifications. | chronic fatigue syndrome (cfs) is an illness characterized by persistent and relapsing fatigue, often accompanied by numerous symptoms involving various body systems. the etiology of cfs remains unclear; however, a number of recent studies have shown oxidative stress may be involved in its pathogenesis. the role of oxidative stress in cfs is an important area for current and future research as it suggests the use of antioxidants in the management of cfs. specifically, the dietary supplements glu ... | 2001 | 11703165 |
| electrospray characterization of selected medicinal plant extracts. | extracts of selected medicinal plants were examined by electrospray mass spectrometry (esi-ms). this technique allowed identification of the main components of each extract, thereby providing a typical finger-print of the examined plants. more specifically, anthocyanins (vaccinium myrtillus), isoflavones (glycine max, soybean), flavonol-glycosides and terpenes (ginkgo biloba), triterpenes (centella asiatica), caffeoyl-quinic acids (cynara scolymus, artichoke), ginsenosides (panax ginseng), catec ... | 2000 | 10898155 |
| in vivo sequential study of skeletal muscle capillary permeability in diabetic rats: effect of anthocyanosides. | alterations in the capillary filtration of macromolecules are well documented in diabetic patients and experimental diabetes. various flavonoids including anthocyanosides and ginkgo biloba extracts have been shown to be effective against experimentally induced capillary hyperfiltration. the aim of the present study was to test the effects of anthocyanosides on capillary filtration in diabetic rats. for this purpose, we have validated the use of our previously described in vivo method for measure ... | 2000 | 10909999 |
| content of the flavonols myricetin, quercetin, and kaempferol in finnish berry wines. | the amounts of myricetin, quercetin, and kaempferol were analyzed in 16 red and 2 white berry and grape wines after acid hydrolysis using an rp-hplc method with diode array detection. the red berry wines analyzed were made mainly from black currant, crowberry, and bog whortleberry, i.e., berries rich in flavonols. the red grape wines were made mainly from cabernet sauvignon or merlot grapes in several countries. the white wines studied were gooseberry and white currant wines and chardonnay and r ... | 2000 | 11032478 |
| content of the flavonols quercetin, myricetin, and kaempferol in 25 edible berries. | the amounts of quercetin, myricetin, and kaempferol aglycons in 25 edible berries were analyzed by an optimized rp-hplc method with uv detection and identified with diode array and electrospray ionization mass spectrometry detection. sixteen species of cultivated berries and nine species of wild berries were collected in finland in 1997. quercetin was found in all berries, the contents being highest in bog whortleberry (158 mg/kg, fresh weight), lingonberry (74 and 146 mg/kg), cranberry (83 and ... | 1999 | 10794622 |
| soil to plant uptake of fallout 137cs by plants from boreal areas polluted by industrial emissions from smelters. | to study the impact of industrial pollution on the soil-to-plant uptake of fallout-radiocesium in a boreal forest ecosystem, four study sites were selected at distances of 7, 16, 21 and 28 km from the large copper-nickel smelter at monchegorsk on the kola peninsula (russia). at each site, soil and selected plant species were sampled from five plots and analysed separately for 137cs and 40k. the data show that the root-uptake of 137cs, as characterised by the median aggregated transfer-factor t(a ... | 1999 | 10507160 |
| structure of the microbial communities in coniferous forest soils in relation to site fertility and stand development stage. | > abstract the structure, biomass, and activity of the microbial community in the humus layer of boreal coniferous forest stands of different fertility were studied. the scots pine dominated ct (calluna vulgaris type) represented the lowest fertility, while vt (vaccinium vitis-idaéa type), mt (vaccinium myrtillus type), and omt (oxalis acetocella-vaccinium myrtillus type) following this order, were more fertile types. the microbial community was studied more closely by sampling a succession grad ... | 1999 | 10441709 |
| range-body mass interactions of a northern ungulate - a test of hypothesis. | summer diet, summer temperature, length of the growth season and animal density appeared to best explain annual and regional differences in calf and yearling body mass in moose from southeastern norway. in general animals inhabiting steep, alpine landscapes had less body mass than animals using flat, low-altitude habitats. autumn body mass of calves and yearlings decreased with increasing snow depth during the preceding winter and spring. however, calf body mass was more influenced by the summer ... | 1999 | 28307755 |