本文已被：浏览 7120次 下载 634次
投稿时间：2020-06-12
投稿时间：2020-06-12
中文摘要: 以山西高寒地区裸燕麦为原料，采用碱法提取β-葡聚糖。在单因素试验基础上，采用响应面法优化燕麦全粉β-葡聚糖的提取工艺。结果表明：各因素对β-葡聚糖得率的影响顺序为pH值＞提取时间＞提取温度＞液料比。最优工艺条件为提取液pH10.9，提取时间1.9 h，液料比21∶1（mL/g），提取温度85℃，在此工艺条件下，β-葡聚糖的得率为4.36%，接近响应面预测值。在最优条件下，测得β-葡聚糖的持水力为（2.30±0.04）g/g，乳化性为（87.47±2.10）%，乳化稳定性为（91.24±0.05）%。
Abstract:This study used naked oat from Shanxi Province alpine region as raw material to extract β-glucan by alkali method.On the basis of single factor experiment，the extraction process of β-glucan extraction from whole oat flour was optimized by response surface method.The results showed that the order of influence of each factor on the yield of β-glucan was as follows：pH ＞extraction time＞extraction temperature＞the ratio of liquid-tosolid.The optimal extraction conditions were extraction pH 10.9，extraction time 1.9 h，liquid-to-material ratio 21∶1 （mL/g），and extraction temperature 85 ℃.Under these conditions，the yield of β-glucan was 4.36%，which was close to the predicted value of response surface.At the optimal conditions，the water holding capacity was（2.30±0.04）g/g，emulsification and emulsification stability were（87.47 ± 2.10）% and（91.24 ± 0.05）%，respectively.
文章编号：202108014 中图分类号： 文献标志码：
基金项目:山西省“1331”工程重点学科项目（098-091704）；山西省重点研发计划重点项目（农业领域）（201903D211006-3）；山西省高等学校科技创新项目（2020L0567）；运城学院院级科研项目（XK-2018010）
引用文本：
津ICP备20000603号-1