Assertion: gallate type catechin | /r/HasProperty | a kind of polyphenol
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Source sentences:
text: The gallate-type catechin is a kind of polyphenol mostly contained in plant tea classified into the camellia species, such as green tea, black tea, or oolong tea and a general term of flavan-3-ols, mainly such as epicatechin (EC), epicatechin gallate (ECg), epigallocatechin (EGC), epigallocatechin gallate (EGCg), catechin (C), and catechin gallate (Cg).