tea polyphneols 98%

 Tea PolyphenolsTea Polyphenol is a kind of pure natural polyphenol substance abstracted from tea leaf. The main component is catechin (belongs to flavanol class) accounting for 60%-80% of the total amount of polyphenol. Catechin is comprised of EGCGECGEGCECD,L-C. Catechin polymer has strong abilities of anti-oxidation and eliminating free radicals because it contains polyphenol hydroxy.Stability: PH4-8 stable, and the quality changes with alkali, strong acid, light, high temperature.Safety evaluation: innocuousPerception index: 1. Appearance: usually light yellow or light yellow green powder solid. 2. Quality: its easy to dissolve in water or ethanol containing water and tastes bitter.Storage: stored at dry and cool place and avoids light. The shelf life is two years. Product specificationITEMSSPECIFICATIONTEA POLYPHENOLS 98%≥98%POLYPHENOLS≥90%/85%CATECHINS≥70%/60%/50%EGCG≤1%/0.5% CAFFEINETEA POLYPHENOLS 98%≥98%POLYPHENOLS≥80%/75%CATECHINS≥50%/45%/40%EGCG≤3%/2%/1%/0.5% CAFFEINE

Sales Terms & Specifications:

Model No.GTP98
Place Of OriginChina
Brand Nameorienttea
Price TermsFOB / CIF / EXW(Factory Price)
Terms Of PaymentT/T, Western Union, PayPal, L/C at sight
Supply Ability50 Metric Ton per Month
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