... O. Ktze.Family: TheaceaePart Used: LeavesIntroduction:Tea is the leaves of plant Camellia sinensis Kuntze, Theaceae, mainly grows in ... various processing techniques. Catechins are the main components in tea polyphenol, which have the pharmacology activities of anti-oxidation, antibiotic, anti- ... taste, pure & typical roast fragrance of Oolong tea, the liquor is clear yellow and brown when soluble in ...