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酶促合成己二酸胆固醇基单乙烯基酯的研究

ZHAO Ying, ZENG Jia-Yu, LIU Xiao-Min,NIE Hua

wf(2022)

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Abstract
以胆固醇和已二酸二乙烯酯为原料在脂肪酶PS IM催化剂的作用下合成己二酸胆固醇基单乙烯基酯,并进行了合成工艺单因素优化实验,优化后的工艺条件为:胆固醇20 mg,已二酸二乙烯酯100 mg,4? 分子筛50 mg,脱水正已烷5 mL,PS IM 5 U,温度45℃,反应时间4 h,在上述反应条件下重复3次实验,己二酸胆固醇基单乙烯基酯的平均产率为99.2%.
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