Living reference work entry
Epigallocatechin is one of the several biologically active ingredients that make up the bulk of the potent antioxidant polyphenols known as catechins, which are found in green tea Green Tea Cancer Prevention.
Next to water, tea is the second most widely consumed beverage in the world. Green tea, like oolong and black teas, is derived from the Camellia sinensis plant, but is processed immediately from fresh leaves and is protected from oxidation. The biologically active ingredients in green tea are a family of polyphenols (catechins) and flavonols, which are very strong antioxidants. The catechins comprise about 90 % of the bulk of green tea and include epicatechin (EC), epigallocatechin (EGC), epicatechin gallate (ECG), and epigallocatechin gallate (EGCG) (Fig. 1). The catechins are characterized by the presence of a di- or trihydroxyl group substitution on the “B”-ring and the meta-5.7-dihydroxyl substitution at the...
KeywordsChemopreventive Agent Epigallocatechin Gallate Epicatechin Gallate Cancer Cell Adhesion Epidermal Growth Factor Family
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