... special process, and the main ingredients are chorogenic acid, catechin, epicatechin, phloridzin, etc.Apple polyphenols is the collection of the polyphenol ... substances, mainly including Chlorogenic acid, Catechin, Epicatechin, Apple condensed tannin, Phlorhizin, Phloretin, Anthocyanin 50%, etc. Polyphenol content ...