... 2.Three Forms: Powder,Pellet,Capsule 3.8 Years Experience in Plant Extracts 4. Certificates Tea polyphenols Pellets 1. Production Introduction ... VE, BHA&BHT. We are the leader manufacturer of plant extract in China, providing tea polyphenols with high-quality, and ... , easy degenerative if touching strong acid, strong alkali, lighting in sun shining, over heating, or transition metal materials.Safety: ...