DEFINITION

Powdered Decaffeinated Green Tea Extract is prepared from young unfermented leaves and leaf buds of Camellia sinensis (L.) Kuntze (Family Theaceae) [syn. Thea sinensis L.] using suitable solvents such as alcohol, methanol, acetone, water, or mixtures of these solvents; the caffeine has been removed. The ratio of the starting crude plant material to Powdered Decaffeinated Green Tea Extract is 6:1–10:1. It contains NLT 60.0% of polyphenols, calculated as (−)-epigallocatechin-3-O-gallate, NLT 40.0% of (−)-epigallocatechin-3-O-gallate, and NMT 0.1% of caffeine, all calculated on the anhydrous basis.