GMP factory supplys Green Tea Extract(Gamellia sinensis O.Ktze)with specification Tea polyphenol 40%,80%,90%,98% Green Tea ExtractBotanical sourcesGamellia sinensis O.KtzeActive Ingredients 1. Tea polyphenol 40% (Catechin:25%, EGCG:12%, Caffeine:8%)2. Tea polyphenol 80% (Catechin:60%, EGCG:25%, Caffeine:10%)3. Tea polyphenol 95% (Catechin:70%, EGCG:40%, Caffeine:1%)4. Tea polyphenol 98% (Catechin ...