Green tea extract 1.40%~98%polyphenols&catechins,10%~60%EGCG 2.Function:antioxidant,antibiotic,improve immune ISO9001,Kosher Green Tea Extract (Catechins & Polyphenols) Latin Name Camellia sinensis O. Ktze.Family TheaceaePart of the Plant Used Leaves Product IntroductionTea is the leaves of plant Camellia sinensis Kuntze, Theaceae, mainly grows in China, India, Sri Lanka, Kenya, etc. Tea can be ...