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Influence of Storage Tempareture on Staling Extent of Extruded Potato Starch
Author(s): 
Pages: 70-73
Year: Issue:  2
Journal: CHINESE POTATO JOURNAL

Keyword:  膨化马铃薯α淀粉贮藏温度淀粉老化;
Abstract: 采用挤压膨化技术制作马铃薯α淀粉,并利用酶水解法及X-射线衍射法等研究了在同一贮藏时间内,不同贮藏温度对膨化马铃薯α淀粉老化变化的影响,探讨了影响机理.研究结果表明,贮藏温度从23℃±1℃降低到-18℃±1℃时,贮藏期为180 d的样品α度也从87.8%明显降低到80.2%,样品的结晶度从8.4%上升为16.45%;说明样品α度的高低与贮藏温度的高低成正比,而样品的老化程度高低与贮藏温度的高低成反比.
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