| 脉冲电场对西米淀粉物化性质的影响 |
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| 引用本文： | 张本山,李芬芬,陈福泉.脉冲电场对西米淀粉物化性质的影响[J].华南理工大学学报(自然科学版),2011,39(9):17-21. |
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| 作者姓名： | 张本山 李芬芬 陈福泉 |
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| 作者单位： | 1. 华南理工大学轻工与食品学院,广东广州,510640
2. 华南理工大学轻工与食品学院,广东广州510640;华南理工大学聚合物新型成型装备国家工程研究中心,广东广州 510640 |
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| 基金项目： | 广东省科技计划项目(2008A08040300,2008A08040301); 国家科技支撑计划项目(2006BAD27B04) |
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| 摘 要： | 西米淀粉(8％)经过30,40和50 kV/cm的脉冲电场处理后,利用扫描电镜、激光粒度仪、X射线衍射仪、差示扫描量热仪和Brabender黏度仪等对其处理后的物化性质进行了研究.结果表明:经过脉冲电场处理后,西米淀粉的颗粒形貌和结晶结构遭到破坏；随脉冲电场强度的增加,淀粉颗粒形貌的破坏更加明显；经过50 kV/cm脉...
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| 关 键 词： | 西米淀粉 物化性质 脉冲电场 电场强度 |
Influence of Pulsed Electric Fields on Physicochemical Properties of Sago Starch |
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| Zhang Ben-shan,Li Fen-fen,Chen Fu-quan.Influence of Pulsed Electric Fields on Physicochemical Properties of Sago Starch[J].Journal of South China University of Technology(Natural Science Edition),2011,39(9):17-21. |
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| Authors: | Zhang Ben-shan Li Fen-fen Chen Fu-quan |
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| Institution: | Zhang Ben-shan1 Li Fen-fen1 Chen Fu-quan1,2(1.School of Light Industry and Food Sciences,South China University of Technology,Guangzhou 510640,Guangdong,China,2.National Engineering Research Center of Novel Equipment for Polymer Processing,China) |
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| Abstract: | Sago starch-water suspensions(8.0%) were subjected to pulsed electric fields(PEF) at 30,40 and 50 kV/cm,respectively,and the physicochemical properties of the treated starch were investigated by means of the scanning electron microscopy,the laser scattering,the X-ray diffraction,the differential scanning calorimetry and the Brabender viscosity test.The results show that,after PEF treatment,the granule morphology and crystalline structure of the starch are both damaged,that the damage becomes more significan... |
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| Keywords: | sago starch physicochemical property pulsed electric field electric field strength |
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