... , Granular or CapsuleTest method: UV. HPLCBrief description:Green tea extract is derived from leaves of camellia sinensis, the plant from ... green, black and oolong teas are made. Green tea extract is associated with several health benefits, many supported by preliminary ... triglycerides; Hives; Immune function; Infection; Weight loss Green tea extract (90% polyphenols, 70% catechinst) 100% pure natural