... . 4. GMP plant, in stock Apple Polyphenol / AntioxidantSpecification:Apple polyphenols 50%,70%,75%,80% UVPhlorzin 10%-98% HPLCPhloretin 10%-98% Chorogenic acid ... Chlorogenic acid, Catechin, Epicatechin, Apple condensed tannin, Phlorhizin, Phloretin, Anthocyanin 50%, etc. Polyphenol content varies due to the maturity of fruits ...