Name??reen Tea P.E. Source??lant extract of the bud and the leaf of the Camellia sinensis o.ktze. Ingredients??ea-leaf contains alkaloid mainly include thecaffeine,the content is 1-5% and Theobromine, Theophylline And xanthine.Green tea contains polypheols compound about 10-24%.Because ferment for many times so thepolypheols compound redueced, just about 6%.In the tea leaf mainly contains Gall-lepigallocatecholand a little epigallocatechol and epigallocatechin EGC , L-epicatechinEC and so on.Various tea on sale, caffeine is about 2-4% and the polypheols is about 12-15%additionally about 0.6% essential oil, is the aroma scent in Green tea. Effective parts??Buds and leaves Specification and test method??olypheols(UV) 50% Physical & chemic character??br />Appearance??ight brown powder with characteristic odor. Loss On dring??ess than or equal to 5% Ash??ess than or equal to 3% Mesh size??00% pass 80 mesh Heavy Metals??ess than or equal to 10ppm Microbiological Index??br />Total Bacterial??ess than or equal to 1000/g Mold & Yeast??ess than or equal to 100/g E Coil??egative Salmonelia??egative Function??br />?? Strong function to eliminate harmful free radical. ?? Standing against the caducity. ?? Standing against the radiation ?? Inhabit the cancer cell ?? Antibiosis and sterilization Storage??br />Keep away from the direct sun light two years if not open the package