Specification: 1. Proanthocyanidins/ oligomers 95%/60% uv/hplc 2. Proanthocyanidins 95% uv 3. Polyphenol 50%, 60%, 70%, 75%, 80%, 85%, 95% uv 4. Water soluble proanthocyanidins 95% uv 1kg/ aluminum foil bag with two plastic bags inside, 25kgs/ drum, or according to customer's demand