Development and validation of an UHPLC-HRMS protocol for the analysis of flavan-3-ol metabolites and catabolites in urine, plasma and feces of rats fed a red wine proanthocyanidin extract.
Sign Up to like & getrecommendations! Published in 2018 at "Food chemistry"
DOI: 10.1016/j.foodchem.2018.01.083
Abstract: This study developed, optimized and validated an ultra-high-performance liquid chromatography-high-resolution mass spectrometry (UHPLC-HRMS) method to identify and quantify metabolites and microbial-derived catabolites in urine, plasma and feces of rats following ingestion of 50 mg of a… read more here.
Keywords: wine proanthocyanidin; uhplc hrms; flavan; red wine ... See more keywords
An analysis method for flavan-3-ols using high performance liquid chromatography coupled with a fluorescence detector.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of food and drug analysis"
DOI: 10.1016/j.jfda.2017.02.005
Abstract: Procyanidins belong to a family of flavan-3-ols, which consist of monomers, (+)-catechin and (-)-epicatechin, and their oligomers and polymers, and are distributed in many plant-derived foods. Procyanidins are reported to have many beneficial physiological activities,… read more here.
Keywords: fluorescence detector; analysis; method; flavan ols ... See more keywords
Feasibility of the determination of three flavan-3-ols metabolites in urine samples via parallel factor analysis of fluorescence emission matrices
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Functional Foods"
DOI: 10.1016/j.jff.2017.08.003
Abstract: Abstract Flavan-3-ols are the most abundant flavonoids in diet and the analysis and quantification of flavan-3-ol metabolites could report valuable information to assess their absorption mechanisms and bioavailability. In our research, we have studied the… read more here.
Keywords: analysis; flavan ols; ols metabolites; flavan ... See more keywords
Role of Yeast Mannoproteins in the Interaction between Salivary Proteins and Flavan-3-ols in a Cell-Based Model of the Oral Epithelium
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Agricultural and Food Chemistry"
DOI: 10.1021/acs.jafc.1c08339
Abstract: Astringency is a highly complex sensation which involves multiple mechanisms occurring simultaneously, such as the interaction between flavan-3-ols and salivary proteins (SP). Moreover, astringency development can be affected by the presence of polysaccharides such as… read more here.
Keywords: cell based; salivary proteins; flavan ols; model oral ... See more keywords
Antioxidative Flavan-3-ol Dimers from the Leaves of Camellia fangchengensis.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of agricultural and food chemistry"
DOI: 10.1021/acs.jafc.7b04572
Abstract: Camellia fangchengensis Liang et Zhong, belonging to the genus Camellia sect. Thea (Theaceae), is an endemic tea species to the south and southwest areas of Guangxi province, People's Republic of China. Known as a wild… read more here.
Keywords: camellia fangchengensis; antioxidative flavan; flavan; tea ... See more keywords
Influence of freezing and heating conditions on grape seed flavan-3-ol extractability, oxidation, and galloylation pattern
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-07925-7
Abstract: In cool-climate viticulture, the short growing season can influence grape seed maturation by reducing the apparent oxidation of flavan-3-ol monomers and associated increase in seed browning. A reduction in seed maturation increases the potential extraction… read more here.
Keywords: oxidation; grape seed; flavan; flavan monomers ... See more keywords
Flavan-3-ols and Cardiometabolic Health: First Ever Dietary Bioactive Guideline.
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DOI: 10.1093/advances/nmac105
Abstract: Guideline recommendation for a plant bioactive such as flavan-3-ols is a departure from previous recommendations because it is not based on deficiencies but rather improvement in health outcomes. Nevertheless, there is a rapidly growing body… read more here.
Keywords: health; guideline; flavan ols; ols cardiometabolic ... See more keywords
HPLC-qTOF-MS/MS-Based Profiling of Flavan-3-ols and Dimeric Proanthocyanidins in Berries of Two Muscadine Grape Hybrids FLH 13-11 and FLH 17-66
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DOI: 10.3390/metabo8040057
Abstract: FLH 13-11 FL and FLH 17-66 FL are two interspecific hybrid varieties of muscadine grape resulting from the cross of Vitis munsoniana (Simpson) ex Munson and V. rotundifolia. However, profiles of flavan-3-ols and proanthocyanidins in… read more here.
Keywords: hplc qtof; muscadine grape; flavan ols; flavan ... See more keywords
Quantification of Urinary Phenyl-γ-Valerolactones and Related Valeric Acids in Human Urine on Consumption of Apples
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DOI: 10.3390/metabo9110254
Abstract: Flavan-3-ols are dietary bioactive molecules that have beneficial effects on human health and reduce the risk of various diseases. Monomeric flavan-3-ols are rapidly absorbed in the small intestine and released in the blood stream as… read more here.
Keywords: valerolactones related; consumption apples; phenyl valerolactones; phenyl ... See more keywords
Localization of Flavan-3-ol Species in Peanut Testa by Mass Spectrometry Imaging
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DOI: 10.3390/molecules25102373
Abstract: Flavan-3-ols, procyanidins and their monomers are major flavonoids present in peanuts that show a wide range of biological properties and health benefits, based on their potent antioxidant activity. Procyanidin oligomers, especially A-type, are reportedly abundant… read more here.
Keywords: peanut testa; flavan ols; flavan; mass spectrometry ... See more keywords
Analysis of Commercial Proanthocyanidins. Part 6: Sulfitation of Flavan-3-Ols Catechin and Epicatechin, and Procyanidin B-3
Sign Up to like & getrecommendations! Published in 2020 at "Molecules"
DOI: 10.3390/molecules25214980
Abstract: Proanthocyanidins (PACs) are natural plant-derived polymers consisting of flavan-3-ol monomers. Quebracho (Schinopsis lorentzii and balansae) heartwood and mimosa (Acacia mearnsii) bark extracts are the major industrial sources of PACs. These commercial extracts are often sulfited… read more here.
Keywords: catechin epicatechin; flavan ols; flavan; ols catechin ... See more keywords