what is mixed tocopherols preservative?
Tocopherols for Preservation. ... Natural mixed tocopherols (forms of vitamin E), consisting of d-alpha (a), d-beta (ß), d-gamma (¿), and d-delta (d) tocopherol, can help maintain the freshness and shelf life of products. They are a natural alternative to synthetic antioxidants, such as BHT, BHA and TBHQ.