Victor R. Preedy & Barrie Tan 
Tocotrienols [PDF ebook] 
Vitamin E Beyond Tocopherols, Second Edition

The first 90 years of vitamin E research has produced prolific and notable discoveries, but until the last few decades, attention has been given mostly to the biological activities and underlying mechanisms of alpha-tocopherol, which we now know is one of more than eight vitamin E isomers. Currently, the non-tocopherol vitamin E molecule tocotrieno