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(-)-gallocatechin
(2S,3R)-flavan-3,5,7,3',4',5'-hexol

Supplier Sponsors

Name:(2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
CAS Number: 3371-27-5Picture of molecule3D/inchi
FDA UNII: Search
Nikkaji Web:J277.680D
MDL:MFCD01632616
Molecular Weight:306.27098000
Formula:C15 H14 O7
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:natural substances and extractives
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
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PubMed:Search
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Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Boiling Point: 685.60 °C. @ 760.00 mm Hg (est)
Flash Point: 695.00 °F. TCC ( 368.50 °C. ) (est)
logP (o/w): -0.100 (est)
Soluble in:
 water, 1.545e+004 mg/L @ 25 °C (est)
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
BOC Sciences
For experimental / research use only.
(-)-Gallocatechin >98%
Odor: characteristic
Use: (-)-Gallocatechin had been shown to have moderate affinity to the human cannabinoid receptor.
Carbosynth
For experimental / research use only.
(-)-Gallocatechin
Coompo
For experimental / research use only.
Gallocatechin from Plants ≥98%
Odor: characteristic
Use: (-)-Gallocatechin had been shown to have moderate affinity to the human cannabinoid receptor, which may contribute to the health benefits found by consuming green tea. This chemical possesses free radical scavenging ability. It inhibits the growth and adherence of P. gingivalis onto the buccal epithelial cells.
ExtraSynthese
For experimental / research use only.
(-)-Gallocatechin (HPLC) ≥99%
Santa Cruz Biotechnology
For experimental / research use only.
(-)-Gallocatechin
Sigma-Aldrich: Sigma
For experimental / research use only.
(-)-Gallocatechin ≥98% (HPLC)
 
Safety Information:
Preferred SDS: View
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category:
natural substances and extractives
Recommendation for (-)-gallocatechin usage levels up to:
 not for fragrance use.
 
Recommendation for (-)-gallocatechin flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :9882981
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
(2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
 
References:
 (2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):9882981
Pubchem (sid):163096261
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
CHEBI:View
CHEMBL:View
HMDB (The Human Metabolome Database):Search
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
 
Potential Blenders and core components note
None Found
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 coffee
PbMd Search PMC Picture
 tea
Search Trop Picture
 
Synonyms:
2H-1-benzopyran-3,5,7-triol, 3,4-dihydro-2-(3,4,5-trihydroxyphenyl)-, (2S,3R)-
(2S,3R)-flavan-3,3',4',5,5',7-hexol
(2S,3R)-flavan-3,5,7,3',4',5'-hexol
(2S,3R)-gallocatechin
(2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol
(2S,3R)-(-)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
(2S,3R)-2-(3,4,5-trihydroxyphenyl)-3,4-dihydro-2H-chromene-3,5,7-triol
(2S,3R)-2-(3,4,5-trihydroxyphenyl)-chroman-3,5,7-triol
(2S,3R)-2-(3,4,5-trihydroxyphenyl)chroman-3,5,7-triol
(2S,3R)-2-(3,4,5-trihydroxyphenyl)chromane-3,5,7-triol
 

Articles:

PubMed:Electronic nose and chiral-capillary electrophoresis in evaluation of the quality changes in commercial green tea leaves during a long-term storage.
PubMed:Structure-dependent interactions of polyphenols with a biomimetic membrane system.
PubMed:Quantitative analysis of major constituents in green tea with different plucking periods and their antioxidant activity.
PubMed:Evaluation of anti-inflammatory activity of hydroethanolic extract of Dilodendron bipinnatum Radlk.
PubMed:Optimization of subcritical water extraction of flavanols from green tea leaves.
PubMed:Direct anthelmintic effects of condensed tannins from diverse plant sources against Ascaris suum.
PubMed:Structural elucidation and antioxidant activities of proanthocyanidins from Chinese bayberry (Myrica rubra Sieb. et Zucc.) leaves.
PubMed:Catechins and procyanidins of Ginkgo biloba show potent activities towards the inhibition of β-amyloid peptide aggregation and destabilization of preformed fibrils.
PubMed:Galloyl moieties enhance the dentin biomodification potential of plant-derived catechins.
PubMed:Analysis of green tea compounds and their stability in dentifrices of different pH levels.
PubMed:Isolation and purification of condensed tannins from flamboyant tree and their antioxidant and antityrosinase activities.
PubMed:Identification of natural metabolites in mixture: a pattern recognition strategy based on (13)C NMR.
PubMed:In vitro and in vivo mechanistic study of a novel proanthocyanidin, GC-(4→8)-GCG from cocoa tea (Camellia ptilophylla) in antiangiogenesis.
PubMed:Transcriptome and biochemical analyses revealed a detailed proanthocyanidin biosynthesis pathway in brown cotton fiber.
PubMed:Preparation and characterisation of peanut seed skin polyphenols.
PubMed:Effect of a walnut meal on postprandial oxidative stress and antioxidants in healthy individuals.
PubMed:Changes in antioxidant activity during the ripening of jujube (Ziziphus mauritiana Lamk).
PubMed:Phenolic composition, antioxidant activity and anti-adipogenic effect of hot water extract from safflower (Carthamus tinctorius L.) seed.
PubMed:Determination of catechins and caffeine in camillia sinensis raw materials, extracts, and dietary supplements by HPLC-uv: single-laboratory validation.
PubMed:Direct interaction of natural and synthetic catechins with signal transducer activator of transcription 1 affects both its phosphorylation and activity.
PubMed:Secondary metabolites in durian seeds: oligomeric proanthocyanidins.
PubMed:Optimization of ultrasonic extraction of phenolic antioxidants from green tea using response surface methodology.
PubMed:Human studies on the absorption, distribution, metabolism, and excretion of tea polyphenols.
PubMed:Ultra-high-performance liquid chromatography profiling method for chemical screening of proanthocyanidins in Czech hops.
PubMed:UHPLC determination of catechins for the quality control of green tea.
PubMed:A new cytotoxic phenolic derivative from the roots of Antidesma acidum.
PubMed:Anti-HIV-1 integrase activity of Mimusops elengi leaf extracts.
PubMed:Preparation of A-type proanthocyanidin dimers from peanut skins and persimmon pulp and comparison of the antioxidant activity of A-type and B-type dimers.
PubMed:Effects of (-)-gallocatechin-3-gallate on tetrodotoxin-resistant voltage-gated sodium channels in rat dorsal root ganglion neurons.
PubMed:A-type proanthocyanidins from the stems of Ephedra sinica (Ephedraceae) and their antimicrobial activities.
PubMed:Effects of catechin polyphenols and preparations from the plant-parasitic nematode Heterodera glycines on protease activity and behaviour in three nematode species.
PubMed:Characterisation of Polyphenols in Terminalia arjuna Bark Extract.
PubMed:α-Amylase inhibitory activity from nut seed skin polyphenols. 1. Purification and characterization of almond seed skin polyphenols.
PubMed:Epimerization of green tea catechins during brewing does not affect the ability to poison human type II topoisomerases.
PubMed:Bioavailability of dietary (poly)phenols: a study with ileostomists to discriminate between absorption in small and large intestine.
PubMed:Green tea extract supplementation induces the lipolytic pathway, attenuates obesity, and reduces low-grade inflammation in mice fed a high-fat diet.
PubMed:Enantioselective total syntheses of (+)-gallocatechin, (-)-epigallocatechin, and 8-C-ascorbyl-(-)-epigallocatechin.
PubMed:Characterization of Flavan-3-ols and Expression of MYB and Late Pathway Genes Involved in Proanthocyanidin Biosynthesis in Foliage of Vitis bellula.
PubMed:Metabolomic analysis of the effect of shade treatment on the nutritional and sensory qualities of green tea.
PubMed:Epigallocatechin Gallate (EGCG) is the most effective cancer chemopreventive polyphenol in green tea.
PubMed:The influence of flavonoid compounds on the in vitro inhibition study of a human fibroblast collagenase catalytic domain expressed in E. coli.
PubMed:Relationship between the sensory-determined astringency and the flavanolic composition of red wines.
PubMed:Flavanocoumarins from Guazuma ulmifolia bark and evaluation of their affinity for STAT1.
PubMed:Opponency of astringent and fat sensations.
PubMed:Role of catechins in the antioxidant capacity of an active film containing green tea, green coffee, and grapefruit extracts.
PubMed:Isolation of powerful antioxidants from the medicinal halophyte Limoniastrum guyonianum.
PubMed:Endothelium-dependent vasodilator and antioxidant properties of a novel enzymatic extract of grape pomace from wine industrial waste.
PubMed:Effect of polymerization on antioxidant and xanthine oxidase inhibitory potential of sea buckthorn (H. rhamnoides) proanthocyanidins.
PubMed:Analysis of commercial proanthocyanidins. Part 3: the chemical composition of wattle (Acacia mearnsii) bark extract.
PubMed:[Study of stereochemical structures of complex of tea catechins and caffeine].
PubMed:Black tea polyphenols reverse epithelial-to-mesenchymal transition and suppress cancer invasion and proteases in human oral cancer cells.
PubMed:Evaluation of Antioxidant and Free Radical Scavenging Capacities of Polyphenolics from Pods of Caesalpinia pulcherrima.
PubMed:Identification and characterization of proanthocyanidins of 16 members of the Rhododendron genus (Ericaceae) by tandem LC-MS.
PubMed:A facile inhibitor screening of SARS coronavirus N protein using nanoparticle-based RNA oligonucleotide.
PubMed:EPs® 7630 (Umckaloabo®), an extract from Pelargonium sidoides roots, exerts anti-influenza virus activity in vitro and in vivo.
PubMed:Naturally occurring flavonoids as inhibitors of purified cytosolic glutathione S-transferase.
PubMed:A new norisoprenoid and other compounds from Fuzhuan brick tea.
PubMed:Influence of heating on the polyphenolic content and antioxidant activity of grape seed flour.
PubMed:Analysis of the inhibition and remodeling of islet amyloid polypeptide amyloid fibers by flavanols.
PubMed:Profiles and α-amylase inhibition activity of proanthocyanidins in unripe Manilkara zapota (chiku).
PubMed:Antioxidant and anti-α-glucosidase compounds from the rhizome of Peltiphyllum peltatum (Torr.) Engl.
PubMed:Characterization of oligomeric procyanidins and identification of quercetin glucuronide from lotus ( Nelumbo nucifera Gaertn.) seedpod.
PubMed:Site specific interaction of the polyphenol EGCG with the SEVI amyloid precursor peptide PAP(248-286).
PubMed:Flavonoid-mediated inhibition of SARS coronavirus 3C-like protease expressed in Pichia pastoris.
PubMed:Epicatechin-3-O-(3″-O-methyl)-gallate content in various tea cultivars (Camellia sinensis L.) and its in vitro inhibitory effect on histamine release.
PubMed:Irreversible sediment formation in green tea infusions.
PubMed:Phytochemical and antioxidant-related investigations on bark of Abies spectabilis (D. Don) Spach. from Nepal.
PubMed:Survey of antioxidant capacity and phenolic composition of blueberry, blackberry, and strawberry in Nanjing.
PubMed:Simultaneous determination of polyphenols and major purine alkaloids in Greek Sideritis species, herbal extracts, green tea, black tea, and coffee by high-performance liquid chromatography-diode array detection.
PubMed:Validation of a mass spectrometry method to quantify oak ellagitannins in wine samples.
PubMed:Polyphenol content of plasma and litter after the oral administration of green tea and tea polyphenols in chickens.
PubMed:Antidiabetic activity of Terminalia sericea constituents.
PubMed:Post-transcriptional silencing of flavonol synthase mRNA in tobacco leads to fruits with arrested seed set.
PubMed:Antimetastatic potentials of Phyllanthus urinaria L on A549 and Lewis lung carcinoma cells via repression of matrix-degrading proteases.
PubMed:New identification of proanthocyanidins in cinnamon (Cinnamomum zeylanicum L.) using MALDI-TOF/TOF mass spectrometry.
PubMed:Simultaneous determination of seven bioactive components in Oolong tea Camellia sinensis: quality control by chemical composition and HPLC fingerprints.
PubMed:Characterization of a highly polymeric proanthocyanidin fraction from persimmon pulp with strong Chinese cobra PLA2 inhibition effects.
PubMed:[Chemical constituents from the roots of Pithecellobium lucidum and their cytotoxic activity].
PubMed:Green tea catechins reduce invasive potential of human melanoma cells by targeting COX-2, PGE2 receptors and epithelial-to-mesenchymal transition.
PubMed:Simultaneous determination of phenolic compounds and saponins in quinoa (Chenopodium quinoa Willd) by a liquid chromatography-diode array detection-electrospray ionization-time-of-flight mass spectrometry methodology.
PubMed:In vitro anti-uveal melanoma activity of phenolic compounds from the Egyptian medicinal plant Acacia nilotica.
PubMed:Epigallocatechin gallate changes mRNA expression level of genes involved in cholesterol metabolism in hepatocytes.
PubMed:Analysis of the mechanism of inhibition of human matrix metalloproteinase 7 (MMP-7) activity by green tea catechins.
PubMed:Identification of (poly)phenolic compounds in concord grape juice and their metabolites in human plasma and urine after juice consumption.
PubMed:Condensed tannins and flavonoids from the forage legume sulla (Hedysarum coronarium).
PubMed:Red wine: a source of potent ligands for peroxisome proliferator-activated receptor γ.
PubMed:Strong antioxidant phenolics from Acacia nilotica: profiling by ESI-MS and qualitative-quantitative determination by LC-ESI-MS.
PubMed:Protective effect of schizolobium parahyba flavonoids against snake venoms and isolated toxins.
PubMed:Characteristic phenolic composition of single-cultivar red wines of the Canary Islands (Spain).
PubMed:Pressurized liquid extraction of phenolic compounds from Anatolia propolis and their radical scavenging capacities.
PubMed:Effect of girdling at various positions of 'Huang Zhi Xiang' tea tree (Camellia sinensis) on the contents of catechins and starch in fresh leaf.
PubMed:The inhibition of the mammalian DNA methyltransferase 3a (Dnmt3a) by dietary black tea and coffee polyphenols.
PubMed:Configurational studies of complexes of tea catechins with caffeine and various cyclodextrins.
PubMed:Proanthocyanidins from Ginkgo biloba leaf extract and their radical scavenging activity.
PubMed:Inhibitory effect of glucodistylin from the bark of Quercus acutissima on human recombinant aldose reductase and sorbitol accumulation.
PubMed:ZnO-ZnS QDs interfacial heterostructure for drug and food delivery application: enhancement of the binding affinities of flavonoid aglycones to bovine serum albumin.
PubMed:Lingonberry (Vaccinium vitis-idaea) and European cranberry (Vaccinium microcarpon) proanthocyanidins: isolation, identification, and bioactivities.
PubMed:Mulberry leaf polyphenols possess antiatherogenesis effect via inhibiting LDL oxidation and foam cell formation.
PubMed:Stereochemical structure and intermolecular interaction of complexes of (-)-Gallocatechin-3-O-gallate and caffeine.
PubMed:α-Amylase and lipase inhibitory activity and structural characterization of acacia bark proanthocyanidins.
PubMed:In situ analysis and structural elucidation of sainfoin (Onobrychis viciifolia) tannins for high-throughput germplasm screening.
PubMed:Phenolic compounds and antioxidant activity of kernels and shells of Mexican pecan (Carya illinoinensis).
PubMed:Immunoregulatory and anti-HIV-1 enzyme activities of antioxidant components from lotus (Nelumbo nucifera Gaertn.) rhizome.
PubMed:Biological actions of green tea catechins on cardiac troponin C.
PubMed:Anti-adhesive activities of flavan-3-ols and proanthocyanidins in the interaction of group A-streptococci and human epithelial cells.
PubMed:Supplementation of green tea catechins in dentifrices suppresses gingival oxidative stress and periodontal inflammation.
PubMed:LC-DAD-ESI/MS(n) determination of direct condensation flavanol-anthocyanin adducts in pressure extracted pomegranate (Punica granatum L.) juice.
PubMed:The evaluation of catechins that contain a galloyl moiety as potential HIV-1 integrase inhibitors.
PubMed:High molecular weight persimmon (Diospyros kaki L.) proanthocyanidin: a highly galloylated, A-linked tannin with an unusual flavonol terminal unit, myricetin.
PubMed:Anti-inflammatory and antimicrobial effects of nanocatechin in a chronic bacterial prostatitis rat model.
PubMed:Preventive effects of C-2 epimeric isomers of tea catechins on mouse type I allergy.
PubMed:Phenolics and antioxidant properties of fruit pulp and cell wall fractions of postharvest banana (Musa acuminata Juss.) cultivars.
PubMed:Comparison of the nutrient and chemical contents of traditional Korean Chungtaejeon and green teas.
PubMed:Probing the antioxidant activity of polyphenols by CIDNP: from model compounds to green tea and red wine.
PubMed:Phenolic compounds in different barley varieties: identification by tandem mass spectrometry (QStar) and NMR; quantification by liquid chromatography triple quadrupole-linear ion trap mass spectrometry (Q-Trap).
PubMed:Offset pi-pi interaction in crystal structure of (-)-gallocatechin-3-O-gallate.
PubMed:Determination of total procyanidins in selected chocolate and confectionery products using DMAC.
PubMed:Phytochemical characterization of Rhododendron ferrugineum and in vitro assessment of an aqueous extract on cell toxicity.
PubMed:New inhibitors for expression of IgE receptor on human mast cell.
PubMed:Green tea catechins and their oxidative protection in the rat eye.
PubMed:Structural characteristics for superoxide anion radical scavenging and productive activities of green tea polyphenols including proanthocyanidin dimers.
PubMed:Metabolomics analysis reveals the compositional differences of shade grown tea (Camellia sinensis L.).
PubMed:Absorption, metabolism, and excretion of green tea flavan-3-ols in humans with an ileostomy.
PubMed:Borate complexation-assisted field-enhanced sample injection for on-line preconcentration of cis-diol-containing compounds in capillary electrophoresis.
PubMed:Supplementary catechins attenuate cooking-oil-fumes-induced oxidative stress in rat lung.
PubMed:[Studies on the chemical constituents of Xanthoceras sorbifolia].
PubMed:Mulberry leaf extract inhibits vascular smooth muscle cell migration involving a block of small GTPase and Akt/NF-kappaB signals.
PubMed:Development of a liquid chromatographic system with fluorescent detection for beta-secretase immobilized enzyme reactor on-line enzymatic studies.
PubMed:Degradation and metabolism of catechin, epigallocatechin-3-gallate (EGCG), and related compounds by the intestinal microbiota in the pig cecum model.
PubMed:Effects of tea catechins, epigallocatechin, gallocatechin, and gallocatechin gallate, on bone metabolism.
PubMed:Differentiation of green tea samples by chiral CD-MEKC analysis of catechins content.
PubMed:Induction of apoptosis by immature plum in human hepatocellular carcinoma.
PubMed:Effects of phenolic compounds on the browning of cooked barley.
PubMed:Production and physicochemical properties of recombinant Lactobacillus plantarum tannase.
PubMed:Role of catechin quinones in the induction of EpRE-mediated gene expression.
PubMed:Antiviral effect of epigallocatechin gallate on enterovirus 71.
PubMed:Anti-tumor promoters phenolics and triterpenoid from Hippophae rhamnoides.
PubMed:The genus Bridelia: a phytochemical and ethnopharmacological review.
PubMed:Catechin-induced activation of the LKB1/AMP-activated protein kinase pathway.
PubMed:Phytochemical and antifungal studies on Terminalia mollis and Terminalia brachystemma.
PubMed:Effects of Pithecellobium clypearia Benth extract and its main components on inflammation and allergy.
PubMed:Anti-cariogenic effects of polyphenols from plant stimulant beverages (cocoa, coffee, tea).
PubMed:Bioassay-guided isolation of antiproliferative compounds from grape (Vitis vinifera) stems.
PubMed:Biobased epicatechin conjugates protect erythrocytes and nontumoral cell lines from H2O2-induced oxidative stress.
PubMed:Stability of green tea catechins in commercial tea leaves during storage for 6 months.
PubMed:Efficient procedure for isolating methylated catechins from green tea and effective simultaneous analysis of ten catechins, three purine alkaloids, and gallic acid in tea by high-performance liquid chromatography with diode array detection.
PubMed:Botanical phenolics and brain health.
PubMed:NMR spectroscopic characterization of inclusion complexes comprising cyclodextrins and gallated catechins in aqueous solution: cavity size dependency.
PubMed:Identification and quantification of free radical scavengers in Pu-erh tea by HPLC-DAD-MS coupled online with 2,2'-Azinobis(3-ethylbenzthiazolinesulfonic acid) diammonium salt assay.
PubMed:Absorption, metabolism and excretion of Choladi green tea flavan-3-ols by humans.
PubMed:Green tea extracts interfere with the stress-protective activity of PrP and the formation of PrP.
PubMed:Bioavailability of polyphenon E flavan-3-ols in humans with an ileostomy.
PubMed:Antioxidants from steamed used tea leaves and their reaction behavior.
PubMed:[Protection and its mechanism of catechin morphon on hypoxia-reoxygenation [corrected] induced injury in myocardial cells].
PubMed:Multifunctional effects of green tea catechins on prevention of the metabolic syndrome.
PubMed:(-)-Epigallocatechin gallate inhibits basic fibroblast growth factor-stimulated interleukin-6 synthesis in osteoblasts.
PubMed:Tea catechins enhance the mRNA expression of uncoupling protein 1 in rat brown adipose tissue.
PubMed:Preparative isolation and purification of theaflavins and catechins by high-speed countercurrent chromatography.
PubMed:Potential anthelmintics: polyphenols from the tea plant Camellia sinensis L. are lethally toxic to Caenorhabditis elegans.
PubMed:Topical anti-inflammatory activity of Eugenia brasiliensis Lam. (Myrtaceae) leaves.
PubMed:Simultaneous determination of catechins, rutin, and gallic acid in Cistus species extracts by HPLC with diode array detection.
PubMed:GCG-rich tea catechins are effective in lowering cholesterol and triglyceride concentrations in hyperlipidemic rats.
PubMed:Reaction kinetics of degradation and epimerization of epigallocatechin gallate (EGCG) in aqueous system over a wide temperature range.
PubMed:The impact of the 67kDa laminin receptor on both cell-surface binding and anti-allergic action of tea catechins.
PubMed:Diastereomeric difference of inclusion modes between (-)-epicatechin gallate, (-)-epigallocatechin gallate and (+)-gallocatechin gallate, with beta-cyclodextrin in aqueous solvent.
PubMed:Antibacterial compounds from Planchonia careya leaf extracts.
PubMed:Ultrafiltration as alternative purification procedure for the characterization of low and high molecular-mass phenolics from almond skins.
PubMed:HPLC/ESI-MS and NMR analysis of flavonoids and tannins in bioactive extract from leaves of Maytenus ilicifolia.
PubMed:Enzymatic oxidation of gallocatechin and epigallocatechin: effects of C-ring configuration on the reaction products.
PubMed:Identification of major phenolic compounds of Chinese water chestnut and their antioxidant activity.
PubMed:Oligomeric proanthocyanidins from mangosteen pericarps.
PubMed:Isomeric differentiation of green tea catechins using gas-phase hydrogen/deuterium exchange reactions.
PubMed:Identification and comparison of phenolic compounds in the preparation of oolong tea manufactured by semifermentation and drying processes.
PubMed:[Study on flavanols from Glochidion hirsutum].
PubMed:Effects of various plant polyphenols on bladder carcinogen benzidine-induced mutagenicity.
PubMed:Identification of dimeric anthocyanins and new oligomeric pigments in red wine by means of HPLC-DAD-ESI/MSn.
PubMed:Sample stacking for the analysis of catechins by microemulsion EKC.
PubMed:Effect of molecular structure of phenolic families as hydroxycinnamic acids and catechins on their antioxidant effectiveness in minced fish muscle.
PubMed:Synergistic effects of multiple treatments, and both DNA and RNA direct bindings on, green tea catechins.
PubMed:Flavan-3-ols and procyanidins from the bark of Salix purpurea L.
PubMed:Attomole catechins determination by capillary liquid chromatography with electrochemical detection.
PubMed:[Separation of isomeric compounds by high speed countercurrent chromatography].
PubMed:Complement-Inhibiting Constituents of Bridelia ferruginea Stem Bark.
PubMed:Mass spectroscopic characterisation of oligomeric proanthocyanidins derived from an extract of Pelargonium sidoides roots (EPs 7630) and pharmacological screening in CNS models.
PubMed:Differential effects of antioxidants on the in vitro invasion, growth and lung metastasis of murine colon cancer cells.
PubMed:Flavonoid content of U.S. fruits, vegetables, and nuts.
PubMed:Protective effects of EGCg or GCg, a green tea catechin epimer, against postischemic myocardial dysfunction in guinea-pig hearts.
PubMed:Effects of different steeping methods and storage on caffeine, catechins and gallic acid in bag tea infusions.
PubMed:Uniformly-sized, molecularly imprinted polymers for (-)-epigallocatechin gallate, -epicatechin gallate and -gallocatechin gallate by multi-step swelling and polymerization method.
PubMed:Positive inotropic effect of purified green tea catechin derivative in guinea pig hearts: the measurements of cellular Ca2+ and nitric oxide release.
PubMed:Epigallocatechin gallate (EGCG) mimics insulin action on the transcription factor FOXO1a and elicits cellular responses in the presence and absence of insulin.
PubMed:Development of a stable isotope dilution analysis with liquid chromatography-tandem mass spectrometry detection for the quantitative analysis of di- and trihydroxybenzenes in foods and model systems.
PubMed:Floral Trifolium proanthocyanidins: polyphenol formation and compositional diversity.
PubMed:Structural identification and distribution of proanthocyanidins in 13 different hops.
PubMed:Inhibition of acid production in dental plaque bacteria by green tea catechins.
PubMed:Antiproliferative activity of Pteleopsis suberosa leaf extract and its flavonoid components in human prostate carcinoma cells.
PubMed:Determination of green tea catechins in human plasma using liquid chromatography-electrospray ionization mass spectrometry.
PubMed:Metabolic engineering of proanthocyanidins through co-expression of anthocyanidin reductase and the PAP1 MYB transcription factor.
PubMed:Antimicrobial activities of tea catechins and theaflavins and tea extracts against Bacillus cereus.
PubMed:Anthocyanidin synthase from Gerbera hybrida catalyzes the conversion of (+)-catechin to cyanidin and a novel procyanidin.
PubMed:New flavanol-anthocyanin condensed pigments and anthocyanin composition in guatemalan beans (Phaseolus spp.).
PubMed:[Determination of catechin and its analogues in Spatholobus suberectus by RP-HPLC].
PubMed:Stereoselective oxidation at C-4 of flavans by the endophytic fungus Diaporthe sp. isolated from a tea plant.
PubMed:A structure-activity study for the inhibition of metalloproteinase-9 activity and gene expression by analogues of gallocatechin-3-gallate.
PubMed:Puerins A and B, two new 8-C substituted flavan-3-ols from Pu-er tea.
PubMed:Anthocyanin-flavanol condensation products from black currant (Ribes nigrum L.).
PubMed:Arachidonate 12-lipoxygenases with reference to their selective inhibitors.
PubMed:A novel black tea pigment and two new oxidation products of epigallocatechin-3-O-gallate.
PubMed:Mechanism of action of (-)-epigallocatechin-3-gallate: auto-oxidation-dependent inactivation of epidermal growth factor receptor and direct effects on growth inhibition in human esophageal cancer KYSE 150 cells.
PubMed:Analyses of phenolic compounds by microemulsion electrokinetic chromatography.
PubMed:Comparison of microemulsion electrokinetic chromatography and micellar electrokinetic chromatography methods for the analysis of phenolic compounds.
PubMed:Separation of eight selected flavan-3-ols on cellulose thin-layer chromatographic plates.
PubMed:Antinociceptive effect of proanthocyanidins from Croton celtidifolius bark.
PubMed:[Determination of catechins and caffeine in tea and tea beverages by high-performance liquid chromatography].
PubMed:Structural analysis of catechin derivatives as mammalian DNA polymerase inhibitors.
PubMed:Dietary gallate esters of tea catechins reduce deposition of visceral fat, hepatic triacylglycerol, and activities of hepatic enzymes related to fatty acid synthesis in rats.
PubMed:Characterization of polyphenolics in the seed coat of Black Jamapa bean (Phaseolus vulgaris L.).
PubMed:Inhibitory effects of oolong tea polyphenols on pancreatic lipase in vitro.
PubMed:Antioxidant metabolites from Limonium brasiliense (Boiss.) Kuntze.
PubMed:Structure-activity study of epi-gallocatechin gallate (EGCG) analogs as proteasome inhibitors.
PubMed:[Studies on the active constituents in vine stem of Spatholobus suberectus].
PubMed:Tea catechins with a galloyl moiety suppress postprandial hypertriacylglycerolemia by delaying lymphatic transport of dietary fat in rats.
PubMed:Complexation of epigallocatechin gallate (a green tea extract, egcg) with Mn2+: nuclear spin relaxation by the paramagnetic ion.
PubMed:Characterization of antioxidants and change of antioxidant levels during storage of Manilkara zapota L.
PubMed:Antioxidant oligomeric proanthocyanidins from sea buckthorn (Hippophae rhamnoides) Pomace.
PubMed:Exobasidium vexans infection of Camellia sinensis increased 2,3-cis isomerisation and gallate esterification of proanthocyanidins.
PubMed:Flavonoid biosynthesis in the tea plant Camellia sinensis: properties of enzymes of the prominent epicatechin and catechin pathways.
PubMed:Variation in antimicrobial action of proanthocyanidins from Dorycnium rectum against rumen bacteria.
PubMed:Determination of catechins and catechin gallates in tissues by liquid chromatography with coulometric array detection and selective solid phase extraction.
PubMed:Analysis of polyphenolic antioxidants from the fruits of three pouteria species by selected ion monitoring liquid chromatography-mass spectrometry.
PubMed:Effect of various catechins on the IL-12p40 production by murine peritoneal macrophages and a macrophage cell line, J774.1.
PubMed:Inhibitory Effects of the C-2 Epimeric Isomers of Tea Catechins on Mouse Type IV Allergy.
PubMed:Comparison of antioxidant activity and bioavailability of tea epicatechins with their epimers.
PubMed:Qualitative analysis and HPLC isolation and identification of procyanidins from Vicia faba.
PubMed:Inhibitory effects of Luobuma tea and its components against glucose-mediated protein damage.
PubMed:The induction of human UDP-glucuronosyltransferase 1A1 mediated through a distal enhancer module by flavonoids and xenobiotics.
PubMed:Inhibitory effects of green tea polyphenols on the production of a virulence factor of the periodontal-disease-causing anaerobic bacterium Porphyromonas gingivalis.
PubMed:Floral procyanidins of the forage legume red clover (Trifolium pratense L.).
PubMed:Polyphenolics in grape seeds-biochemistry and functionality.
PubMed:Inhibitory effect of green tea catechins on cysteine proteinases in Porphyromonas gingivalis.
PubMed:Major flavonoids in grape seeds and skins: antioxidant capacity of catechin, epicatechin, and gallic acid.
PubMed:Anti-Trypanosoma cruzi activity of green tea (Camellia sinensis) catechins.
PubMed:Proanthocyanidin composition in the seed coat of lentils (Lens culinaris L.).
PubMed:Heat-epimerized tea catechins rich in gallocatechin gallate and catechin gallate are more effective to inhibit cholesterol absorption than tea catechins rich in epigallocatechin gallate and epicatechin gallate.
PubMed:Effect of flavan-3-ols on in vitro egg hatching, larval development and viability of infective larvae of Trichostrongylus colubriformis.
PubMed:Determination of hamamelitannin, catechins and gallic acid in witch hazel bark, twig and leaf by HPLC.
PubMed:Green tea catechins as a BACE1 (beta-secretase) inhibitor.
PubMed:Evaluation of the NO scavenging activity of procyanidin in grape seed by use of the TMA-PTIO/NOC 7 ESR system.
PubMed:Green tea epigallocatechin-3-gallate is an inhibitor of mammalian histidine decarboxylase.
PubMed:Phenolic constituents of shea (Vitellaria paradoxa) kernels.
PubMed:Tea catechins protect against lead-induced ROS formation, mitochondrial dysfunction, and calcium dysregulation in PC12 cells.
PubMed:Inhibitory effect of green tea polyphenols on membrane-type 1 matrix metalloproteinase, MT1-MMP.
PubMed:Inhibition of metalloproteinase-9 activity and gene expression by polyphenolic compounds isolated from the bark of Tristaniopsis calobuxus (Myrtaceae).
PubMed:Inhibition of proliferation of human cancer cells and cyclooxygenase enzymes by anthocyanidins and catechins.
PubMed:Bioactive novel polyphenols from the fruit of Manilkara zapota (Sapodilla).
PubMed:Prodelphinidin trimers and characterization of a proanthocyanidin oligomer from Cistus albidus.
PubMed:Proanthocyanidin biosynthesis in plants. Purification of legume leucoanthocyanidin reductase and molecular cloning of its cDNA.
PubMed:Microemulsion electrokinetic chromatography for the analysis of green tea catechins: effect of the cosurfactant on the separation selectivity.
PubMed:Tea catechin synergies in inhibition of cancer cell proliferation and of a cancer specific cell surface oxidase (ECTO-NOX).
PubMed:Anti-inflammatory and antioxidant effects of Croton celtidifolius bark.
PubMed:Phenolic extractives in Salix caprea wood and knots.
PubMed:Neutrophil restraint by green tea: inhibition of inflammation, associated angiogenesis, and pulmonary fibrosis.
PubMed:Analysis of catechins in extracts of Cistus species by microemulsion electrokinetic chromatography.
PubMed:MALDI-TOF mass spectrometry and PSD fragmentation as means for the analysis of condensed tannins in plant leaves and needles.
PubMed:Polymeric proanthocyanidins from the bark of Hamamelis virginiana.
PubMed:[Study on the analytical methods of catechins in tea and green tea polyphenol samples by high performance liquid chromatography].
PubMed:Direct scavenging of nitric oxide and superoxide by green tea.
PubMed:Synthetic analogs of green tea polyphenols as proteasome inhibitors.
PubMed:Analysis of commercial vegetable tanning agents by reversed-phase liquid chromatography-electrospray ionization-tandem mass spectrometry and its application to wastewater.
PubMed:Effects of catechins on vascular tone in rat thoracic aorta with endothelium.
PubMed:Varietal differences among the polyphenol profiles of seven table grape cultivars studied by LC-DAD-MS-MS.
PubMed:Activity-guided fractionation of green tea extract with antiproliferative activity against human stomach cancer cells.
PubMed:Study of non-covalent complexation between catechin derivatives and peptides by electrospray ionization mass spectrometry.
PubMed:Effects of prodelphinidins isolated from Ribes nigrum on chondrocyte metabolism and COX activity.
PubMed:Inhibition of aromatase activity by green tea extract catechins and their endocrinological effects of oral administration in rats.
PubMed:Dietary flavonoids: bioavailability, metabolic effects, and safety.
PubMed:Identification and in vitro biological activities of hop proanthocyanidins: inhibition of nNOS activity and scavenging of reactive nitrogen species.
PubMed:Antioxidant properties of gallocatechin and prodelphinidins from pomegranate peel.
PubMed:Green tea and its catechins inhibit breast cancer xenografts.
PubMed:Protective activity of green tea against free radical- and glucose-mediated protein damage.
PubMed:Polyphenolic antioxidants from the fruits of Chrysophyllum cainito L. (Star Apple).
PubMed:Composition of a chemopreventive proanthocyanidin-rich fraction from cranberry fruits responsible for the inhibition of 12-O-tetradecanoyl phorbol-13-acetate (TPA)-induced ornithine decarboxylase (ODC) activity.
PubMed:The heterocyclic ring fission and dehydroxylation of catechins and related compounds by Eubacterium sp. strain SDG-2, a human intestinal bacterium.
PubMed:[Studies on tannins from Tripterygium hypoglaucum (lévl.) hutch].
PubMed:Geranins C and D, additional new antiprotozoal A-type proanthocyanidins from Geranium niveum.
PubMed:A new stilbene glycoside from Elephantorrhiza goetzei.
PubMed:Prolyl endopeptidase inhibitors from green tea.
PubMed:Condensed tannins from Myrica gale.
PubMed:Simultaneous determination of twelve tea catechins by high-performance liquid chromatography with electrochemical detection.
PubMed:Radical scavenging and xanthine oxidase inhibitory activity of phenolic compounds from Bridelia ferruginea stem bark.
PubMed:Nitrification inhibitors from the roots of Leucaena leucocephala.
PubMed:Polyphenols from Eucalyptus ovata.
PubMed:Degradation of green tea catechins in tea drinks.
PubMed:Gallotannins and related polyphenols from Pistacia weinmannifolia.
PubMed:Hydrogen peroxide and flavan-3-ols in storage roots of cassava (Manihot esculenta crantz) during postharvest deterioration.
PubMed:Antioxidative activity of green tea treated with radical initiator 2, 2'-azobis(2-amidinopropane) dihydrochloride.
PubMed:Effects of heat processing and storage on flavanols and sensory qualities of green tea beverage.
PubMed:Polyphenols, condensed tannins, and other natural products in Onobrychis viciifolia (Sainfoin).
PubMed:The phenols and prodelphinidins of white clover flowers.
PubMed:Determination of catechins in human urine subsequent to tea ingestion by high-performance liquid chromatography with electrochemical detection.
PubMed:Catechin contents of foods commonly consumed in The Netherlands. 2. Tea, wine, fruit juices, and chocolate milk.
PubMed:Catechin contents of foods commonly consumed in The Netherlands. 1. Fruits, vegetables, staple foods, and processed foods.
PubMed:EBV DNA polymerase inhibition of tannins from Eugenia uniflora.
PubMed:Structure and synthesis of the first procassinidin dimers based on epicatechin, and gallo- and epigallo-catechin.
PubMed:Hepatoprotective effect of Apocynum venetum and its active constituents.
PubMed:Bioactive constituents of the bark of Parkia biglobosa.
PubMed:High content of dopamine, a strong antioxidant, in Cavendish banana.
PubMed:Oxidation and epimerization of epigallocatechin in banana fruits.
PubMed:Green tea polyphenols: novel and potent inhibitors of squalene epoxidase.
PubMed:New phenolic radical scavengers from saxifraga cuneifolia.
PubMed:Inhibition of tyrosinase by green tea components.
PubMed:Epigallocatechin gallate and gallocatechin gallate in green tea catechins inhibit extracellular release of Vero toxin from enterohemorrhagic Escherichia coli O157:H7.
PubMed:ESR study on the structure-antioxidant activity relationship of tea catechins and their epimers.
PubMed:Flavan-3-ols isolated from some medicinal plants inhibiting COX-1 and COX-2 catalysed prostaglandin biosynthesis.
PubMed:Proanthocyanidins from the bark of Hamamelis virginiana exhibit antimutagenic properties against nitroaromatic compounds.
PubMed:Chemical composition and antimicrobial activity of Croton urucurana Baillon (Euphorbiaceae).
PubMed:[Bioactive constituents of Chinese natural medicines. III. Absolute stereostructures of new dihydroflavonols, hovenitins I, II, and III, isolated from hoveniae semen seu fructus, the seed and fruit of Hovenia dulcis THUNB. (Rhamnaceae): inhibitory effect on alcohol-induced muscular relaxation and hepatoprotective activity].
PubMed:Superoxide anion scavenge effect of Quercus glauca Thunb. in whole blood of patients with ankylosing spondylitis.
PubMed:Bioactive saponins and glycosides. IV. Four methyl-migrated 16,17-seco-dammarane triterpene gylcosides from Chinese natural medicine, hoveniae semen seu fructus, the seeds and fruit of Hovenia dulcis THUNB.: absolute stereostructures and inhibitory activity on histamine release of hovenidulciosides A1, A2, B1, and B2.
PubMed:Inhibitory effect of six green tea catechins and caffeine on the growth of four selected human tumor cell lines.
PubMed:Mechanism of catechin chemiluminescence in the presence of active oxygen.
PubMed:Inhibitory effects of green tea polyphenols on growth and cellular adherence of an oral bacterium, Porphyromonas gingivalis.
PubMed:Flavan-3-ols and flavonoids from Potentilla anserina.
PubMed:Antiallergic constituents from oolong tea stem.
PubMed:Identification of (+)-gallocatechin as a bio-antimutagenic compound in Psidium guava leaves.
PubMed:Effect of flavan-3-ol tannins purified from Camellia sinensis on lipid peroxidation of rat heart mitochondria.
PubMed:Inhibitory effect of tea catechins on collagenase activity.
PubMed:Proanthocyanidins from Quercus petraea Bark.
PubMed:Inhibition of platelet activation and endothelial cell injury by flavan-3-ol and saikosaponin compounds.
PubMed:Activity-guided isolation and identification of Azadirachta indica bark extract constituents which specifically inhibit chemiluminescence production by activated human polymorphonuclear leukocytes.
PubMed:[Relationship between the anti-hemolysin activity and the structure of catechins and theaflavins].
PubMed:Effect of tea polyphenols on glucan synthesis by glucosyltransferase from Streptococcus mutans.
PubMed:Inhaltsstoffe und Pharmakologie der Okoubaka aubrevillei-Rinde.
PubMed:Flavan-3-ol Biosynthesis : The Conversion of (+)-Dihydromyricetin to Its Flavan-3,4-Diol (Leucodelphinidin) and to (+)-Gallocatechin by Reductases Extracted from Tissue Cultures of Ginkgo biloba and Pseudotsuga menziesii.
PubMed:[V. The phenolics of strawberries and their changes during development and ripeness of the fruits (author's transl)].
PubMed:The origins of tannins and flavonoids in black-wattle barks and heartwoods, and their associated "non-tannin" components.
PubMed:Condensed tannins. 3. Isolation and estimation of (-)-7:3':4':5'-tetrahydroxyflavan-3-ol, (+)-catechin and (+)-gallocatechin from black-wattle-bark extract.
PubMed:d-Gallocatechin from the bark of Casuarina equisetifolia Linn.
PubMed:[l-gallocatechin in the composition of tannic substances in grapes].
 
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