Wang Yong-hua
2009
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Journal
Science and Technology of Food Industry
Abstract
In the solvent-free system,n-butyl lactate was synthesized by one step reaction from n-butyl alcohol and lactic acid,using immobilized enzyme as catalyst.The optimization of reaction conditions were as follows:molar ratio of acid to alcohol 1∶1.5,Novozym435(Candida Antarctica Lipase B)catalyst amount 115U/mL on the total volume of reactants,reaction temperature 70℃,molecular sieve after 4h,continuous reaction time 2h,the ester yield is more than 85%.