... Extract(Gamellia sinensis O.Ktze)with specification Tea polyphenol 40%,80%,90%,98% Green Tea ExtractBotanical sourcesGamellia sinensis O.KtzeActive ... 40% (Catechin:25%, EGCG:12%, Caffeine:8%)2. Tea polyphenol 80% (Catechin:60%, EGCG:25%, Caffeine:10%)3. Tea polyphenol ... %, EGCG:40%, Caffeine:1%)4. Tea polyphenol 98% (Catechin:80%, EGCG:50%, Caffeine:0.5%)Part of useLeafShelf Life2 yearsPhysical ...