| 小麦受蛀食性害虫侵害后其面筋蛋白结构的变化 |
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| 引用本文： | 张玉荣,刘四奎,周显青.小麦受蛀食性害虫侵害后其面筋蛋白结构的变化[J].河南工业大学学报(自然科学版),2011(5):6-10,28. |
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| 作者姓名： | 张玉荣 刘四奎 周显青 |
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| 作者单位： | 河南工业大学粮油食品学院; |
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| 摘 要： | 以河南产储藏3 a的商用小麦为材料,按不同虫种分组,采用Ellman’s试剂比色法检测不同感染时间小麦面筋蛋白的—SH和—S—S—含量,利用傅里叶变换红外光谱(FTIR)测定小麦面筋蛋白二级结构的变化.结果表明:随着侵害时间的延长,样品中—SH含量升高,—S—S—含量下降;影响的大小顺序为:谷蠹、米象、玉米象;无论是在相同侵害时间的不同虫口密度,还是相同虫口密度的不同侵害时间条件下,3种害虫侵害小麦后对小麦面筋蛋白的二级结构没有影响.
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| 关 键 词： | 小麦 蛀食性害虫 面筋蛋白 结构 二硫键 |
CHANGES OF GLUTEN STRUCTURE OF WHEAT INFECTED BY BORING PESTS |
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| ZHANG Yu-rong,LIU Si-kui,ZHOU Xian-qing.CHANGES OF GLUTEN STRUCTURE OF WHEAT INFECTED BY BORING PESTS[J].Journal of Henan University of Technology Natural Science Edition,2011(5):6-10,28. |
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| Authors: | ZHANG Yu-rong LIU Si-kui ZHOU Xian-qing |
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| Affiliation: | ZHANG Yu-rong,LIU Si-kui,ZHOU Xian-qing(School of Food Science and Technology,Henan University of Technology,Zhengzhou 450052,China) |
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| Abstract: | Selecting commercial wheat harvested in Henan province with three-year storage period as materials, the paper determined the contents of-SH and-S-S-in the wheat gluten with different infection times by Ellman's colorimetric method according to different groups of boring pests,and determined the change of the secondary structure of the wheat gluten by FTIR.The results showed that the content of-SH increased and the content of-S-S-decreased as the infection time prolonged;the order of the influence was as fol... |
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| Keywords: | wheat boring pests gluten structure disulfide bond |
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