| 乙醇溶液中魔芋葡甘聚糖膜的结构与性能研究 |
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| 引用本文： | 陈士勇,吕文平,汪超,陈文平,江贵林,姜发堂,钟晓玲.乙醇溶液中魔芋葡甘聚糖膜的结构与性能研究[J].食品科学,2010,31(3):106-109. |
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| 作者姓名： | 陈士勇 吕文平 汪超 陈文平 江贵林 姜发堂 钟晓玲 |
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| 作者单位： | 1.湖北工业大学生物工程学院 2.武汉力诚生物科技有限公司 |
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| 基金项目： | 武汉市晨光计划项目(20065004116-52); 湖北省教育厅项目(20063036) |
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| 摘 要： | 采用乙醇溶液中溶胀的魔芋葡甘聚糖(KGM)流延制备薄膜，研究KGM 膜的聚集态结构及其性能。实验结果表明：乙醇促使KGM 形成局部有序层叠排列的膜结构，使膜的微晶率增加，同时提高膜的热稳定性；随φ( 乙醇) 增加，薄膜的断裂应力逐渐增大，断裂伸长率、透光率、水分活度和吸水率降低。
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| 关 键 词： | 魔芋葡甘聚糖膜 乙醇溶液 扫描电镜 微晶率 吸水率 |
| 收稿时间： | 2009-05-11 |
Structure and Properties of Konjac Glucomannan Membrane in Alcohol Solution |
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| CHEN Shi-yong,LU Wen-ping,WANG Chao,CHEN Wen-ping,JIANG Gui-lin,JIANG Fa-tang,ZHONG Xiao-ling.Structure and Properties of Konjac Glucomannan Membrane in Alcohol Solution[J].Food Science,2010,31(3):106-109. |
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| Authors: | CHEN Shi-yong LU Wen-ping WANG Chao CHEN Wen-ping JIANG Gui-lin JIANG Fa-tang ZHONG Xiao-ling |
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| Affiliation: | 1. College of Bioengineering, Hubei University of Technology, Wuhan 430068, China；
2. Wuhan Licheng Biotechnology Co. Ltd., Wuhan 430068, China |
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| Abstract: | Konjac glucomannan membrane(KGM) was prepared in alcohol solution through sequential treatments of swelling followed by casting.The aggregation structure and properties of KGM membrane were investigated in this study.Results indicated that alcohol could promote the formation of partially ordered and stacked membrane structure of konjac glucomannan,increase microcrystalline rate of KGM and improve thermal stability of KGM.In addition,with increasing alcohol concentration,an increase in the break strength of ... |
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| Keywords: | konjac glucomannan membrane alcohol solution SEM microcrystalline rate water-absorption rate |
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