Catechin n is a flavan-3-ol, a type of natural phenol and antioxidant. It is a plant secondary metabolite. It belongs to the group of flavan-3-ols (or simply flavanols), part of the chemical family of flavonoids. The name of the catechin chemical family derives from catechu, which is the tannic juice or boiled extract of Mimosa catechu (Acacia cat...
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http://en.wikipedia.org/wiki/Catechin
• (n.) One of the tannic acids, extracted from catechu as a white, crystalline substance; -- called also catechuic acid, and catechuin.
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http://thinkexist.com/dictionary/meaning/catechin/
A substance found in tea that helps protect cells from damage caused by free radicals. Free radicals are unstable molecules that are made during normal cell metabolism (chemical changes that take place in a cell). They can build up in cells and cause damage to other molecules. This damage may increase the risk of cancer and other diseases. Catechin...
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http://www.cancer.gov/dictionary?expand=C
<chemical> 3,3',4',5,7-flavanpentol. Extracted from uncaria gambier, acacia catechu and other plants; it stabilises collagen and is therefore used in tanning and dyeing; it prevents capillary fragility and abnormal permeability, but was formerly used as an antidiarrhoeal. ... Synonym: cachou; cashoo; cutch. ... Chemical name: 2H-1-Benzopyran-...
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http://www.encyclo.co.uk/local/20973
Cat'e·chin noun (Chemistry) One of the tannic acids, extracted from catechu as a white, crystalline substance; -- called also
catechuic acid , and
catechuin .
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http://www.encyclo.co.uk/webster/C/36
Type: Term Pronunciation: kat′ĕ-kin Definitions: 1. A derivative of catechu and used as an astringent in diarrhea and as a stain. Synonyms: catechinic acid, catechuic acid, cyanidol
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http://www.medilexicon.com/medicaldictionary.php?t=15067
Phenolic compound (polyphenol) belonging to the large group of flavonoids (plant dyes). It is found in plants such as various vegetables and fruits, chocolate, green tea, berry skins, stems and grape seeds, especially in red wine. For example, Merlot and Pinot Noir have a high proportion, while Syrah has a low proportion. Catechin plays an imp...
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https://glossary.wein.plus/catechin
noun a tannic acid that is extracted from black catechu as a white crystalline substance
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https://www.encyclo.co.uk/local/20974
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