Source: Pumila Mill. Active Ingredients: Polyphenols, Phloretin, Phloridzin,anthocyanin -Apple polyphenols: 50%, 75%, 80%,90%-Phloretin : 70%, 90%, 98% tested by HPLC-Phloridzin : 40%, 80%, 98% tested by HPLC Anthocyanin: 25% 10% 15% 1, Good water solubility2, Wild Apple species3, Low Pesticides residue4, High ORACPlease feel free to contact us for more details.