摘要
为了优化米糠中甾醇的提取,以乙酸乙酯作为提取剂,在单因素的基础上通过正交试验优化了米糠甾醇的提取工艺条件,优化结果表明:微波温度60℃,微波时间7min,料液比1:20(g/mL),微波功率400W,在此条件下,米糠甾醇一次提取率为4.3778mg/g。
To optimum extract conditions of phytosterol from race bran. Using ethyl acetate as extraction agent, the microwave-assisted extraction conditions of phytosterol from race bran were studied through the orthogonal test based on the single factors experiments. The results showed that the optimum conditions as follows： microwave temperature 60~C, microwave time 7min, ratio of liquid to material 1：20（g/mL）, microwave power 400W, the extraction rate can reach to 4.3778mg/g.
关键词
米糠
甾醇
微波辅助提取
race bran
phytosterol
microwave-assisted extraction
作者简介
通讯作者：王红利。
