1, Red wine Extract powder 2, Assay:30% Proanthocyanidin Min. 3,CAS No.: 84929-27-1 4,Size:80mesh Product ... , and alcohol. Specification:Appearance Light Brown-purple powder Mesh 80mesh Min Loss on Drying <5.0% Extract Solvent Alcohol & Water Ash ... <5.0% Carrier Used None Assay (UV) 30% Proanthocyanidin Min. As 2ppm max Heavy Metals 10ppm max Bacteria colonies/g ...