Abstract
Vitamin E is easily oxidized by light, air, oxidizing agents and heat, limiting its application in many ways. Compared to vitamin E, vitamin E ester derivatives exhibit improved stability and a stronger antioxidant capacity, and even gain new biological functions. In recent years, enzymatic synthesis of vitamin E ester derivatives has received increasing attention due to its environmental friendliness, high catalytic efficiency, and inherent selectivity. This paper reviews the related progress of lipase-mediated preparation of vitamin E ester derivatives. The function of different vitamin E ester derivatives, and the main factors influencing the enzymatic acylation process, including enzyme species, acyl donor and acceptor, reaction media and water activity, are summarized in this paper. Finally, the perspective of lipase-catalyzed synthesis of vitamin E ester derivatives is also discussed.
Highlights
Vitamin E (VE) is a group of eight liposoluble compounds, including four tocopherols and four tocotrienols
Neutral neutralwithwithregard regardto under land.land. This This article is anis open access article an open access the article distributed under the the Natural antioxidant under of the Crea- article distributed vitamin E is more suitable for food additives, health care, cos
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Summary
Vitamin E (VE) is a group of eight liposoluble compounds, including four tocopherols and four tocotrienols. They are all composed of benzodihydropyran rings and 2-position phytogroups (Table 1). Vegetable oil extracted from oil-bearing seeds and nuts is the most abundant source of natural vitamin E. The total vitamin E content in different oils varies from thousands ppm to tens ppm, and contains a variety of tocopherols and tocotrienols [2]. 2021 bonds on isolated double the phytogroups ofand tocotrienol oil extracted fromof natural oil-bearing seeds nuts is [1]. E. The total oil-bearing seeds and nuts is Vegetable the most abundant source of natural vitamin total [6]. E content in different oils of varies from thousands ppm to tens[2]
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