... 2) Specification: Polyphenol 70%, 75%, 80% by GAE. Apple extract( P E) Professional Manufacturer ISO9001:2008 Latin Name: ... Malus domestica. Description: The apple polyphenol extracts had stronger reducing capacity, antioxidant activity on ... test concentration, the maximum scavenging or inhibition rate of apple polyphenol extracts to linoleic acid auto-oxidation, nitroso, ...