... 20%-98%, EGCG: 10%-99%, Catechin: 30%-90% Product Name: Green Tea Extract, Green Tea P.E., GTEEnglish Name: Tea polyphenolOther Name ... carious teeth, dental plaque, dental arthritis and halitosis etc. Besides Green Tea Extract, we also can supply Black Tea Extract, Oolong ... Our quality can be always well guaranteed, we wish to estabish a long-term stable cooperation relationship with each client of us ...