... Natrual antioxidant. 4. GMP plant, in stock Apple Polyphenol / AntioxidantSpecification:Apple polyphenols 50%,70%,75%,80% UVPhlorzin ... phloridzin, etc.Apple polyphenols is the collection of the polyphenol substances, mainly including Chlorogenic acid, Catechin, Epicatechin, ... condensed tannin, Phlorhizin, Phloretin, Anthocyanin 50%, etc. Polyphenol content varies due to the maturity of fruits, and ...