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《Modern Food Science and Technology》 2008-09
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α-Amylase catalyzed Degradation of Non-crystal Granular Corn Starch

TIAN Jing-fu, ZHANG Ben-shan, ZHAO Yong-qing, ZHANG Xiang-yang, LU Hai-feng, CHEN Fu-quan (College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510640, China)  
Using SEM and microscope, the granule structure and enzymatic degradation process of non-crystal granule corn starch were investigated. Holes with different size, depth and location were formed in the non-crystalline process because of the expansion in a way of"burst open", which greatly accelerated the enzymatic degradation of the starch granules. As the native starch granules possessed the compact crystal structure without holes on the granule surface, its enzymatic degradation was mush lower than that of non-crystal granule corn starch. Besides, the reaction conditions of α-amylase degradation of non-crystal granule corn starch in normal temperature was studied.
【Fund】: 国家科技支撑计划2006BAD27B04
【CateGory Index】: TS234
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【References】
Chinese Journal Full-text Database 2 Hits
1 LU Hai-feng, ZHANG Ben-shan (College of Light and Food Industry, South China University of Technology, Guangzhou 510640, China);Synthesis and Characterization of Octenyl Succinic Anhydride Modified Corn Starch[J];Modern Food Science and Technology;2009-10
2 CHEN Cui-lan,ZHANG Ben-shan,GAO Ling-yun,ZHAO Yong-qing(College of Light Industry and Food Sciences, South China University of Technology, Guangzhou 510640 China);Application of Non-crystalline Granular Starch (NCGC) in Sauce Powder Production[J];Modern Food Science and Technology;2009-11
【Co-references】
Chinese Journal Full-text Database 4 Hits
1 ZHANG Ze-sheng,SHI Jia-ning,ZHANG Jie,ZHANG Jian-ping (College of Food Engineering and Biotechnology,Tianjin University of Science and Technology,Tianjin 300457,China);Optimization of the Polysaccharide Accumulation by Inonotus Obliquus in Submerged Fermentation[J];Modern Food Science and Technology;2009-03
2 LIANG Yong 1,ZHANG Ben-shan 2,YANG Lian-sheng 2,GAO Da-wei 2 (1.Dept.of Chemistry, South China Normal University, Guangzhou 510631,Guangdong,China;2.Institute of Light and Chemical Industries, South China University of Technology , Guangzhou 510641,Guangdong,China);Structural Characteristics of Potato Starch in Noncrystalline Granular State[J];Fine Chemicals;2003-01
3 ;A Study on Preparation and Graft Copolymerization of Non-crystalline granular Corn Starch[J];Cereal & Feed Industry;2008-08
4 YANG Jing-feng (College of Light Industry and Food Sciences,South China University of Technology,Guangdong Guangzhou 510640,China);Progress of research on the non-crystalline starch granule[J];Cereals & Oils;2007-02
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