Lipase-Catalyzed Synthesis of α-Tocopheryl Ferulate
2011
Xin, Jia-ying | Chen, Lin-lin | Zhang, Ying-xin | Wen, Rong-rong | Zhao, De-min | Xia, Chun-gu
alpha-Tocopheryl ferulate (alpha-TF) can be used as an antioxidant in both lipid containing food and cosmetics. The ability of lipases to catalyze the transesterification between alpha-tocopherol and ethyl ferulate (EF) was investigated. Only the lipase B from Candida antarctica and the lipase from Candida rugosa catalyzed the transesterification. The influences of reaction condition on the yield of alpha-TF were investigated. A yield of 25.2% of alpha-TF was obtained using 5:1 mole ratio of alpha-tocopherol to EF in solvent-free medium at 72h. The yield of alpha-TF was further enhanced by applying vacuum-rotary evaporation procedure to remove the co-product ethanol.
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