Apple polyphenols 50%, 70%, 75%, 80% Phloridzin 40%, 60%, 80%, 90%, ... be more available for eventual absorption into the bloodstream. Major apple polyphenols include: epicatechin, caffeic acid, phloridzin, phloretin, avicularin, reynoutrin, hyperin ... bone health, and treating diabetes and other age-related diseases. apple extract