Lipase-catalyzed synthesis of vitamin C fatty acid esters

被引:106
作者
Yan, YC [1 ]
Bornscheuer, UT [1 ]
Schmid, RD [1 ]
机构
[1] Univ Stuttgart, Inst Tech Biochem, D-70569 Stuttgart, Germany
关键词
antioxidant; ascorbic acid; Candida antarctica B lipase; fatty acid vinyl ester; vitamin C;
D O I
10.1023/A:1005620125533
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Fatty acid esters of vitamin C (ascorbic acid) where synthesized in a mainly solid-phase system in the presence of small amounts of organic solvent (acetone or t-butanol) catalyzed by immobilized lipase B from Candida antarctica. Highest reaction rates and yields of isolated products were obtained using fatty acid vinyl esters, e.g., 6-O-palmitoyl-L-ascorbic acid was obtained in 91% isolated yield after 48 h. As vitamin C and its esters are very sensitive to oxidation, a mild extraction method for the isolation of reaction products was developed.
引用
收藏
页码:1051 / 1054
页数:4
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