... GMP factory supplys Green Tea Extract(Gamellia sinensis O.Ktze)with specification Tea polyphenol 40%,80%,90%,98% Green Tea ExtractBotanical ... :40%, Caffeine:1%)4. Tea polyphenol 98% (Catechin:80%, EGCG:50%, Caffeine:0.5%)Part of useLeafShelf Life2 ... resourcesReasonable priceCredit standingEfficient deliveryStandardized packing Green Tea Extract/ Tea polyphenol 40%,80%,90%,98% powder