水酶法提取玉米胚芽油的研究

Study on Extraction of Corn Germ Oil by Aqueous Enzymatic Method

在水酶法制取玉米胚芽油的工艺中 ,纤维素酶和中温 α淀粉酶的复合作用能显著提高玉米胚芽油的收率。其最适参数为 :料液比 1∶5 ,蒸汽预处理时间 2 0min ,酶的加入量 0 8% (纤维素酶和淀粉酶的配比为 5∶3) ;反应时间 6h ,提油率可达 89 75 %。

The effect of a series of factors on the extraction of corn germ oil by aqueous enzymatic method was researched, the mixture of cellulast and α amylase can remarkable promote the extractability.The optimum condition is that corn germ/liquid ratio is 1∶5,the time of atmospheric steam bathing is 20 minutes.0.8% enzyme/corn germ(v/w)is adequate and 6 hours for enzymatic reaction is enough.Under this condition,the oil extractability is 89.75%.