... Three Forms: Powder,Pellet,Capsule 3.8 Years Experience in Plant Extracts 4. Certificates Tea polyphenols Pellets 1. Production Introduction Tea ... than VE, BHA&BHT. We are the leader manufacturer of plant extract in China, providing tea polyphenols with high-quality, ... Storage condition: Keep in dry, clean, cool, and ventilating place.Shelf time: Quality guarantee term is two years under seal condition ...