| 油枣多糖的酶法提取及其对多糖分子量分布的影响 |
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| 引用本文： | 李小平,陈锦屏. 油枣多糖的酶法提取及其对多糖分子量分布的影响[J]. 食品科学, 2007, 28(8): 191-194 |
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| 作者姓名： | 李小平 陈锦屏 |
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| 作者单位： | 陕西师范大学食品工程系； 陕西师范大学食品工程系 陕西西安710062； 陕西西安710062； |
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| 摘 要： | 本实验用正交试验法优化了油枣多糖的纤维素酶法提取工艺,同时采用分级醇沉和分步醇沉的方法探讨了热水提取与酶法提取的多糖分子量分布。结果表明,纤维素酶法提取油枣多糖的最佳提取条件为:pH4.5,提取温度60℃,酶添加量0.02%,提取时间2h;热水提取与酶法提取的多糖分子量分布无明显差异。
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| 关 键 词： | 油枣多糖 纤维素酶 提取 分子量分布 |
| 文章编号： | 1002-6630（2007）08-0191-04 |
| 修稿时间： | 2007-06-08 |
Studies on Extracting Process of Polysaccharide from Jujube Date by Cellulase and Effects of the Enzyme on Molecular Mass Distribution |
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| LI Xiao-ping,CHEN Jin-ping. Studies on Extracting Process of Polysaccharide from Jujube Date by Cellulase and Effects of the Enzyme on Molecular Mass Distribution[J]. Food Science, 2007, 28(8): 191-194 |
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| Authors: | LI Xiao-ping CHEN Jin-ping |
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| Affiliation: | Department of Food Engineering, Shaanxi Normal University, Xi’an 710062, China |
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| Abstract: | The optimum extraction conditions of polysaccharide from jujube date by cellulase were investigated by the orthogonal design. The experiment results showed that the optimum conditions are is addition of 0.02% the enzyme amount into water at pH 4.5, and the treatment for 2 h while the temperature is maintained at 60 ℃. The extraction process with water and enzyme had no significant effects on molecular mass distribution of jujube dates polysaccharides. |
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| Keywords: | jujube date polysaccharide extraction cellulase molecular mass distribution |
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