維生素E形式。抗氧化劑。;Vitamin E form. Antioxidant agent.;α-Tocopherol is synthesized from γ-tocopherol by the action of enzyme γ-tocopherol methyltransferase. It is the major form of Vitamin E in human plasma. It is present in sunflower seed oil.(+)-α-Tocopherol has been used:as a food supplement for juvenile cobia fishto evaluate its protective effect on bisphenol A induced oxidative stress in ratsto test its chemopreventive efficacy in estrogen-mediated mammary cancer rats;α-Tocopherol is synthesized from γ-tocopherol by the action of enzyme γ-tocopherol methyltransferase. It is the major form of Vitamin E in human plasma. It is present in sunflower seed oil.(+)-α-Tocopherol has been used:as a food supplement for juvenile cobia fishto evaluate its protective effect on bisphenol A induced oxidative stress in ratsto test its chemopreventive efficacy in estrogen-mediated mammary cancer rats