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响应面法优化微孔淀粉制备工艺

作  者:
周琼;王浩东;张博;陈宗道
单  位:
西南大学食品科学学院;安康学院化学化工系
关键词:
淀粉;微孔淀粉;响应面法
摘  要:
通过单因素、部分因子、Box-Behnken试验,确定最佳制备微孔淀粉的工艺参数。结果表明:反应温度51.92℃、反应时间13.15h、淀粉乳体积分数14.24%、酶用量4.20%、酶配比(m糖化酶:m淀粉酶)4:1、pH4.4为最佳工艺参数,此时微孔淀粉的吸水率156.01%。
译  名:
Optimization of Porous Starch by Response Surface Methodology
作  者:
ZHOU Qiong1,2,WANG Hao-dong2,ZHANG Bo2,CHEN Zong-dao1,* (1. College of Food Science, Southwest University, Chongqing 400716, China ; 2. Department of Chemistry and Engineering, Ankang University, Ankang 725000, China)
关键词:
starch;porous starch;response surface methodology
摘  要:
The preparation parameters of porous starch were optimized by single-factor, partial-factor and response surface experiments. Results indicated that the optimal preparation parameters were reaction temperature of 51.92 ℃, reaction time of 13.15 h, enzyme addition amount of 4.20%, starch concentration (V/V) 14.24%, reaction pH of 4.4 and glucoamylase-amylase ratio of 4:1. Under these optimal conditions, the water-absorbing capacity of porous starch was 156.01%.

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