cranberry extract/proanthocyanidins.- Nature's relief --a very powderful antioxidant, -- antimicrobial --purification Product Name: Cranberry ExtractPlant Origin: Vaccinium Macrocarpon L.Specification: ... , the Vacciniin, and so on, with a very good antioxidant, antimicrobial and purification efficiency. Proanthocyanidins is able to inhibit bacteria material ...