... the specifications from 5% -70% by UV,EP,DMAC,HPLC method. 1. Proanthocyanidins 5%, 10%, 25%, 30%, 50% ... by UV,EP,DMAC,HPLC method; 2. Anthocyanidins 5%, 10%, 25% UV; 3. Extract ... free, and is not irradiated.c.Huge stock for the raw material,and finished products,prompt shipment is ... no any problem for us. d.Equipped with the most advanced extraction unit, and HPLC,UV,GC,AA. ...