pyrogallol

acid, pyrogallic benzene-1,2,3-triol 1,2,3- benzenetriol benzol-1,2,3-triol C.I. oxidation base 32 fouramine base AP fourrine 85 fourrine PG pyrogallic acid 1,2,3- trihydroxybenzene US Patents: 4,003,935 - 7-Methyl-octahydro-1,4-methano-naphthalen-6-one PubMed: Antioxidant peptides from corn gluten meal: Orthogonal design evaluation. PubMed: Exploitation of the complexation reaction of ortho-dihydroxylated anthocyanins with aluminum(III) for their quantitative spectrophotometric determination in edible sources. PubMed: Assessment of radical scavenging capacity of antioxidants contained in foods and beverages in plasma solution. PubMed: Prospecting Russula senecis: a delicacy among the tribes of West Bengal. PubMed: Biotransformation of (-)-epigallocatechin and (-)-gallocatechin by intestinal bacteria involved in isoflavone metabolism. PubMed: Stability of dietary polyphenols under the cell culture conditions: avoiding erroneous conclusions. PubMed: Selected dietary (poly)phenols inhibit periodontal pathogen growth and biofilm formation. PubMed: Α-MMC and MAP30, two ribosome-inactivating proteins extracted from Momordica charantia, induce cell cycle arrest and apoptosis in A549 human lung carcinoma cells. PubMed: Phenolic sulfates as new and highly abundant metabolites in human plasma after ingestion of a mixed berry fruit purée. PubMed: Quercetin and its metabolites inhibit the membrane NADPH oxidase activity in vascular smooth muscle cells from normotensive and spontaneously hypertensive rats. PubMed: Bioactive compounds produced by gut microbial tannase: implications for colorectal cancer development. PubMed: A straightforward method to determine flavouring substances in food by GC-MS. PubMed: Screening of inhibitors for mushroom tyrosinase using surface plasmon resonance. PubMed: Characterization of polyphenol oxidase activity in Ataulfo mango. PubMed: Changes of major tea polyphenols and production of four new B-ring fission metabolites of catechins from post-fermented Jing-Wei Fu brick tea. PubMed: Acethylcholinesterase inhibitory potential and antioxidant properties of pyrogallol. PubMed: Oxidant-induced damage to equine erythrocytes from exposure to Pistacia atlantica, Pistacia terebinthus, and Pistacia chinensis. PubMed: Purification and partial biochemical characterization of polyphenol oxidase from mango (Mangifera indica cv. Manila). PubMed: A comparative study on the degradation of gallic acid by Aspergillus oryzae and Phanerochaete chrysosporium. PubMed: Uptake and protective effects of ergothioneine in human endothelial cells. PubMed: Assessment of aerobic and respiratory growth in the Lactobacillus casei group. PubMed: Characterization of germin-like protein with polyphenol oxidase activity from Satsuma mandarine. PubMed: Salivary α-amylase, serum albumin, and myoglobin protect against DNA-damaging activities of ingested dietary agents in vitro. PubMed: Effects of antioxidants of bamboo leaves and flavonoids on 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP) formation in chemical model systems. PubMed: Myristicin from nutmeg induces apoptosis via the mitochondrial pathway and down regulates genes of the DNA damage response pathways in human leukaemia K562 cells. PubMed: Urinary metabolite profiling identifies novel colonic metabolites and conjugates of phenolics in healthy volunteers. PubMed: Preparative isolation and purification of phlorotannins from Ecklonia cava using centrifugal partition chromatography by one-step. PubMed: Essential Structural Requirements and Additive Effects for Flavonoids to Scavenge Methylglyoxal. PubMed: Bathochromic and hyperchromic effects of aluminum salt complexation by anthocyanins from edible sources for blue color development. PubMed: The Butanol Fraction of Bitter Melon (Momordica charantia) Scavenges Free Radicals and Attenuates Oxidative Stress. PubMed: Identification and quantification of phenolic and flavonoid components in straw and seed husk of some rice varieties (Oryza sativa L.) and their antioxidant properties. PubMed: Inhibitory activity of carbonyl compounds on alcoholic fermentation by Saccharomyces cerevisiae. PubMed: Angiotensin-converting enzyme inhibitory effects by plant phenolic compounds: a study of structure activity relationships. PubMed: Bioactive compounds and antioxidant activity of fresh and processed white cauliflower. PubMed: Microbial metabolomic fingerprinting in urine after regular dealcoholized red wine consumption in humans. PubMed: Quantitation of tr-cinnamaldehyde, safrole and myristicin in cola-flavoured soft drinks to improve the assessment of their dietary exposure. PubMed: Structural features of copigmentation of oenin with different polyphenol copigments. PubMed: The characterization of a thermostable and cambialistic superoxide dismutase from Thermus filiformis. PubMed: Iron chelator alleviates tubulointerstitial fibrosis in diabetic nephropathy rats by inhibiting the expression of tenascinC and other correlation factors. PubMed: Application of a microplate-based ORAC-pyrogallol red assay for the estimation ofantioxidant capacity: First Action 2012.03. PubMed: A critical study of use of the Fe(II)/3-hydroxy-4-nitroso-2,7-naphthalenedisulfonic acid complexes in the quantification of polyphenols in medicinal plants. PubMed: Biological clues to potent DNA-damaging activities in food and flavoring. PubMed: A review on structure-activity relationship of dietary polyphenols inhibiting α-amylase. PubMed: Effect of pyrogallol on the physiology and biochemistry of litchi fruit during storage. PubMed: Relationship between the structures of flavonoids and oxygen radical absorbance capacity values: a quantum chemical analysis. PubMed: Bathochromic and stabilising effects of sugar beet pectin and an isolated pectic fraction on anthocyanins exhibiting pyrogallol and catechol moieties. PubMed: Characterisation of an acidic peroxidase from papaya (Carica papaya L. cv Tainung No. 2) latex and its application in the determination of micromolar hydrogen peroxide in milk. PubMed: Influence of gallate and pyrogallol moieties on the intestinal absorption of (-)-epicatechin and (-)-epicatechin gallate. PubMed: Synthesis and inhibitory activities against colon cancer cell growth and proteasome of alkylresorcinols. PubMed: A novel and efficient colorimetric chemosensor for detection and determination of biologically important ions in DMSO/H2O media using bromo pyrogallol red chemosensors with analytical applications. PubMed: Effect of chitosan coating on maintenance of aril quality, microbial population and PPO activity of pomegranate (Punica granatum L. cv. Tarom) at cold storage temperature. PubMed: Reactivity of lignin with different composition of aromatic syringyl/guaiacyl structures and erythro/threo side chain structures in β-O-4 type during alkaline delignification: as a basis for the different degradability of hardwood and softwood lignin. PubMed: Improved pyrogallol autoxidation method: a reliable and cheap superoxide-scavenging assay suitable for all antioxidants. PubMed: Determination of myristicin in commonly spices applying SPE/GC. PubMed: Extraction and separation of volatile and fixed oils from seeds of Myristica fragrans by supercritical CO₂: chemical composition and cytotoxic activity on Caco-2 cancer cells. PubMed: Inhibition of acetylcholinesterase by green and white tea and their simulated intestinal metabolites. PubMed: Pomological features, nutritional quality, polyphenol content analysis, and antioxidant properties of domesticated and 3 wild ecotype forms of raspberries (Rubus idaeus L.). PubMed: Perturbation of the EphA2-EphrinA1 system in human prostate cancer cells by colonic (poly)phenol catabolites. PubMed: Impact of short-term intake of red wine and grape polyphenol extract on the human metabolome. PubMed: Punicalagin and catechins contain polyphenolic substructures that influence cell viability and can be monitored by radical chemosensors sensitive to electron transfer. PubMed: Evaluation of antioxidant properties of a new compound, pyrogallol-phloroglucinol-6,6'-bieckol isolated from brown algae, Ecklonia cava. PubMed: Polyphenol content of plasma and litter after the oral administration of green tea and tea polyphenols in chickens. PubMed: Multi-parametric approach to identify coffee components that regulate mechanisms of gastric acid secretion. PubMed: Identification of coffee components that stimulate dopamine release from pheochromocytoma cells (PC-12). PubMed: A review of dietary polyphenol-plasma protein interactions: characterization, influence on the bioactivity, and structure-affinity relationship. PubMed: In vitro anti-platelet effects of simple plant-derived phenolic compounds are only found at high, non-physiological concentrations. PubMed: Effect of grape polyphenols on lactic acid bacteria and bifidobacteria growth: resistance and metabolism. PubMed: Artificial aging of Uva di Troia and Primitivo wines using oak chips inoculated with Penicillium purpurogenum. PubMed: Antioxidant constituents from the stems and fruits of Momordica charantia. PubMed: Extraction of brown pigment from Rosa laevigata and its antioxidant activities. PubMed: Evaluation of the anxiolytic properties of myristicin, a component of nutmeg, in the male Sprague-Dawley rat. PubMed: A new total antioxidant potential measurements using RP-HPLC assay with fluorescence detection. PubMed: Efficiency of trapping methylglyoxal by phenols and phenolic acids. PubMed: Antiglycative and neuroprotective activity of colon-derived polyphenol catabolites. PubMed: Human serum albumin as an antioxidant in the oxidation of (-)-epigallocatechin gallate: participation of reversible covalent binding for interaction and stabilization. PubMed: Molecular structure-affinity relationship of natural polyphenols for bovine γ-globulin. PubMed: Covalent binding of tea catechins to protein thiols: the relationship between stability and electrophilic reactivity. PubMed: Ionic liquid-based dispersive liquid-liquid microextraction and enhanced spectrophotometric determination of molybdenum (VI) in water and plant leaves samples by FO-LADS. PubMed: Purification and partial biochemical characterization of polyphenol oxidase from mamey (Pouteria sapota). PubMed: Genotoxic and apoptotic activities of the food flavourings myristicin and eugenol in AA8 and XRCC1 deficient EM9 cells. PubMed: Metabolism of green tea catechins by the human small intestine. PubMed: Evaluation of Crocus sativus L. stigma phenolic and flavonoid compounds and its antioxidant activity. PubMed: Molecular property-affinity relationship of flavanoids and flavonoids for HSA in vitro. PubMed: Polyphenol contents and antioxidant activity of lyophilized aqueous extract of propolis from Erzurum, Turkey. PubMed: Biochemical and molecular characterization of Coriolopsis rigida laccases involved in transformation of the solid waste from olive oil production. PubMed: Protective effects of Korean mistletoe lectin on radical-induced oxidative stress. PubMed: Structural characteristics of green tea catechins for formation of protein carbonyl in human serum albumin. PubMed: Effect of nano-packing on preservation quality of fresh strawberry (Fragaria ananassa Duch. cv Fengxiang) during storage at 4 degrees C. PubMed: Critical assessment of three high performance liquid chromatography analytical methods for food carotenoid quantification. PubMed: High performance liquid chromatography, thin layer chromatography and spectrophotometric studies on the removal of biogenic amines from some Egyptian foods using organic, inorganic and natural compounds. PubMed: Involvement of multiple molecular events in pyrogallol-induced hepatotoxicity and silymarin-mediated protection: evidence from gene expression profiles. PubMed: Formation and properties of organo-phosphatase complexes by abiotic and biotic polymerization of pyrogallol-phosphatase mixtures. PubMed: Influence of anthocyanins, derivative pigments and other catechol and pyrogallol-type phenolics on breast cancer cell proliferation. PubMed: ORAC and DPPH assay comparison to assess antioxidant capacity of tea infusions: relationship between total polyphenol and individual catechin content. PubMed: Binding affinity of tea catechins for HSA: characterization by high-performance affinity chromatography with immobilized albumin column. PubMed: Pyrogallol-induced calf pulmonary arterial endothelial cell death via caspase-dependent apoptosis and GSH depletion. PubMed: Spectroscopic detection of pharmaceutical compounds from an aflatoxigenic strain of Aspergillus parasiticus. PubMed: The effects of MAPK inhibitors on pyrogallol-treated Calu-6 lung cancer cells in relation to cell growth, reactive oxygen species and glutathione. PubMed: Determination of alkenylbenzenes and related flavour compounds in food samples by on-column preconcentration-capillary liquid chromatography. PubMed: Effects of phenolic compounds on the browning of cooked barley. PubMed: A flow-injection chemiluminescent method for the evaluation of the antioxidant activity of 5'-nucleotides. PubMed: Distinguishing chinese star anise from Japanese star anise using thermal desorption-gas chromatography-mass spectrometry. PubMed: Biobased epicatechin conjugates protect erythrocytes and nontumoral cell lines from H2O2-induced oxidative stress. PubMed: Assessment of antioxidative activity of extract from fermented grain food mixture using chemical and cellular systems. PubMed: Phenolic antioxidants and antiatherogenic effects of Marula (Sclerocarrya birrea Subsp. caffra) fruit juice in healthy humans. PubMed: Isolation and structure of whiskey polyphenols produced by oxidation of oak wood ellagitannins. PubMed: Development of a high-performance liquid chromatography-based assay for carotenoids in human red blood cells: application to clinical studies. PubMed: Stopped-flow kinetic study of the aroxyl radical-scavenging action of catechins and vitamin C in ethanol and micellar solutions. PubMed: Simple assessment of radical scavenging capacity of beverages. PubMed: pH-Dependent radical scavenging capacity of green tea catechins. PubMed: Molar absorptivities and reducing capacity of pyranoanthocyanins and other anthocyanins. PubMed: High-added-value antioxidants obtained from the degradation of wine phenolics by Lactobacillus plantarum. PubMed: (E)-Methylisoeugenol and elemicin: antibacterial components of Daucus carota L. essential oil against Campylobacter jejuni. PubMed: Simultaneous quantitative determination of the synthetic antioxidant ethoxyquin and its major metabolite in Atlantic salmon (Salmo salar, L), ethoxyquin dimer, by reversed-phase high-performance liquid chromatography with fluorescence detection. PubMed: Quantitative studies on the formation of phenol/2-furfurylthiol conjugates in coffee beverages toward the understanding of the molecular mechanisms of coffee aroma staling. PubMed: Antioxidative activity of hen egg ovalbumin hydrolysates. PubMed: Evaluation of antioxidant activity and preventing DNA damage effect of pomegranate extracts by chemiluminescence method. PubMed: Polyphenol oxidase from yacon roots (Smallanthus sonchifolius). PubMed: Quantitative precursor studies on di- and trihydroxybenzene formation during coffee roasting using "in bean" model experiments and stable isotope dilution analysis. PubMed: Synthesis and structure determination of covalent conjugates formed from the sulfury-roasty-smelling 2-furfurylthiol and di- or trihydroxybenzenes and their identification in coffee brew. PubMed: Distinctive antioxidant and antiinflammatory effects of flavonols. PubMed: Absence of mutagenicity of acid pyrogallol-containing hair gels. PubMed: Electrogenerated chemiluminescence of CdSe quantum dots dispersed in aqueous solution. PubMed: Catalytic characteristics of peroxidase from wheat grass. PubMed: Antibacterial principles from Myristica fragrans seeds. 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: Determination of magnesium in foods by single-sweep polarography. PubMed: Identification of a stale-beer-like odorant in extracts of naturally aged beer. PubMed: Biodegradation of gallotannins and ellagitannins. PubMed: Purification and characterization of Ocimum basilicum L. polyphenol oxidase. PubMed: Mechanism of formation of redox-active hydroxylated benzenes and pyrazine in 13C-labeled glycine/D-glucose model systems. PubMed: Composition and Antimicrobial Activity of Anemopsis californica leaf oil. PubMed: Oxidation of tea extracts and tea catechins by molecular oxygen. PubMed: Effects of structure on radical-scavenging abilities and antioxidative activities of tea polyphenols: NMR analytical approach using 1,1-diphenyl-2-picrylhydrazyl radicals. PubMed: Nuclear magnetic resonance spectroscopic based studies of the metabolism of black tea polyphenols in humans. PubMed: Characterization and purification of polyphenol oxidase from artichoke (Cynara scolymus L.). PubMed: Novel antioxidant peptides from fermented mushroom Ganoderma lucidum. PubMed: Metabolism of gallic acid and catechin by Lactobacillus hilgardii from wine. PubMed: Comparative study on phenolic content and antioxidant activity during maturation of the olive cultivar Chemlali from Tunisia. PubMed: Artifactual oxidation of cholesterol during the analysis of cholesterol oxidation products: protective effect of antioxidants. PubMed: Potent mammalian cerebroprotection and neuronal cell death inhibition are afforded by a synthetic antioxidant analogue of marine invertebrate cell protectant ovothiols. PubMed: Identification of metabolites of (-)-epicatechin gallate and their metabolic fate in the rat. PubMed: Hydrogen peroxide scavenging, antioxidant and anti-radical activity of some phenolic acids. PubMed: Purification and characterization of a peroxidase from corn steep water. PubMed: Hepatoprotective effect of myristicin from nutmeg (Myristica fragrans) on lipopolysaccharide/d-galactosamine-induced liver injury. PubMed: Oxidation of 4-bromophenol by the recombinant fused protein cellulose-binding domain-horseradish peroxidase immobilized on cellulose. PubMed: [The determination of total concentration and activity of antioxidants in foodstuffs]. PubMed: Method for analysis of tannic acid and its metabolites in biological samples: application to tannic acid metabolism in the rat. PubMed: Antioxidant activity and characterization of volatile constituents of Taheebo (Tabebuia impetiginosa Martius ex DC). PubMed: Effect of drying method on the volatiles in bay leaf (Laurus nobilis L.). PubMed: Antioxidant activity of dodecyl gallate. PubMed: Diphenol activation of the monophenolase and diphenolase activities of field bean (Dolichos lablab) polyphenol oxidase. PubMed: Partial purification of polyphenol oxidase from Chinese cabbage Brassica rapa L. PubMed: Peroxynitrite-induced oxidation of lipids: implications for muscle foods. PubMed: Improved extraction methods for avoiding the interference of copper in the LC determination of ascorbic acid in multivitamin-mineral tablets. PubMed: Resveratrol and a novel tyrosinase in Carignan grape juice. PubMed: Effects of pH and metal ions on antioxidative activities of catechins. PubMed: Latent polyphenol oxidases from sago log (Metroxylon sagu): partial purification, activation, and some properties. PubMed: Quantitation of flavor-related alkenylbenzenes in tobacco smoke particulate by selected ion monitoring gas chromatography-mass spectrometry. PubMed: Anti-oxidant, pro-oxidant properties of tannic acid and its binding to DNA. PubMed: Importance of a pyrogallol-type structure in catechin compounds for apoptosis-inducing activity. PubMed: Stabilization of azadirachtin A in neem formulations: effect of some solid carriers, neem oil, and stabilizers. PubMed: Structure-activity relationship of polyphenols on inhibition of chemical mediator release from rat peritoneal exudate cells. PubMed: Purification and characterization of ascorbate peroxidase in Chlorella vulgaris. PubMed: Structural features of tannic acid important for DNA degradation in the presence of Cu(II). PubMed: BAL fluid contains detectable superoxide dismutase 1 activity. PubMed: Toxicological evaluation of myristicin. PubMed: Effect of tea polyphenols on histamine release from rat basophilic leukemia (RBL-2H3) cells: the structure-inhibitory activity relationship. PubMed: The catalase-peroxidase of Synechococcus PCC 7942: purification, nucleotide sequence analysis and expression in Escherichia coli. PubMed: Measurement of superoxide dismutase-like activity of natural antioxidants. PubMed: Gas chromatographic determination of total fat extracted from food samples using hydrolysis in the presence of antioxidant. PubMed: Genotoxicity of the alkenylbenzenes alpha- and beta-asarone, myristicin and elimicin as determined by the UDS assay in cultured rat hepatocytes. PubMed: Cu/Zn superoxide dismutase activity does not parallel copper levels in copper supplemented HL-60 cells. PubMed: Species-specific heterogeneity for molecular weight estimates of serum extracellular superoxide dismutase activities. PubMed: Characterization and immunological properties of selenium-containing glutathione peroxidase induced by selenite in Chlamydomonas reinhardtii. PubMed: Acute toxicity testing in the nonlethal dose range: a new approach. PubMed: Vitamin E in plasma, erythrocytes and erythrocyte membranes. PubMed: Increased antimutagenic activity of simple substituted phenols mixed with the hindered phenolic antioxidant dibunol. PubMed: Effects of phenol and 2,6-dimethoxyphenol (syringol) on in vivo formation of N-nitrosomorpholine in rats. PubMed: Human and laboratory studies on the causes and prevention of gastrointestinal cancer. PubMed: Inhibitory effects of phenolics, teas and saliva on the formation of mutagenic nitrosation products of salted fish. PubMed: High performance liquid chromatographic determination of vitamin D in fortified milks, margarine, and infant formulas. PubMed: Variation of myristicin content in cultivated parsnip roots (Pastinaca sativa ssp. sativa var. hortensis). PubMed: Urinary quinol and orcinol outputs as indices of voluntary intake of heather (Calluna vulgaris L. (Hull)) by sheep.