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Studies on Hydrogen Bonding Network Structures of Konjac Glucomannan

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【作者】 庞杰； 孙玉敬； 杨幼慧； 陈缘缘； 陈艺勤； 孙远明；

【Author】 PANG Jiea, b SUN Yu-Jingc YANG You-Huia CHEN Yuan-Yuanb CHEN Yi-Qingb SUN Yuan-Minga a (College of Food Science, South China Agricultural University, Guangzhou 510642, China) b (College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China) c (College of Biosystem Engineering and Food Science, Zhejiang University, Hangzhou 310029, China)

【机构】 College of Food Science South China Agricultural University； College of Biosystem Engineering and Food Science Zhejiang University； College of Food Science South China Agricultural University； College of Food Science Fujian Agriculture and Forestry University； Guangzhou 510642 China College of Food Science Fujian Agriculture and Forestry University Fuzhou 350002 China； Hangzhou 310029 China)； Guangzhou 510642 China； Fuzhou 350002 China；

【摘要】 In this paper, the hydrogen bonding network models of konjac gluco- mannan (KGM) are predicted in the approach of molecular dynamics (MD). These models have been proved by experiments whose results are consistent with those from simulation. The results show that the hydrogen bonding network structures of KGM are stable and the key linking points of hydrogen bonding network are at the O(6) and O(2) positions on KGM ring. Moreover, acetyl has significant influence on hydrogen bonding network and hydrogen bonding network structures are more stable after deacetylation.

【Abstract】 In this paper, the hydrogen bonding network models of konjac gluco- mannan (KGM) are predicted in the approach of molecular dynamics (MD). These models have been proved by experiments whose results are consistent with those from simulation. The results show that the hydrogen bonding network structures of KGM are stable and the key linking points of hydrogen bonding network are at the O(6) and O(2) positions on KGM ring. Moreover, acetyl has significant influence on hydrogen bonding network and hydrogen bonding network structures are more stable after deacetylation.

【关键词】 konjac glucomannan； hydrogen bonding network； structure； molecular dynamics；
【Key words】 konjac glucomannan； hydrogen bonding network； structure； molecular dynamics；
【基金】 supported by the National Natural Science Foundation of China(30371009, 30471218) ;Science Foundation of Fujian Department of Education (JA03059)
  • 【文献出处】 结构化学 ,Chinese Journal of Structural Chemistry , 编辑部邮箱 ,2008年04期
  • 【分类号】O641.1
  • 【被引频次】26
  • 【下载频次】235
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