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Lipase Catalyzed Synthesis of Sucrose Ester in the Tert-amyl Alcohol/water two Phase System
Pages: 26-30
Year: Issue:  12
Journal: Zhejiang Chemical Industry

Abstract: 以叔戊醇/水两相体系作为反应体系,利用脂肪酶催化的蔗糖和乙酸乙烯酯的转酯化反应来合成蔗糖酯,并考察了不同的两相体积比,温度,水相pH,酶量,糖与酰基供体比例,反应时间对蔗糖转化率的影响.结果表明这种方法是可行的,主要产物为蔗糖6-乙酸酯.发现在两相体系水体积含量为20%时,开始有蔗糖6-乙酸酯生成,然后随着水含量提高,蔗糖转化率逐渐提高,水含量在90%时,蔗糖转化率最大,但是当水含量为100%,蔗...
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