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糙米重组米的回生特性

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成果类型:
期刊论文
作者:
沈汪洋;晏梦婷;孙威;陈轩;高虹;...
作者机构:
[孙威; 沈汪洋; 陈轩; 晏梦婷; 周坚] College of Food Science and Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
[赵永武4] COFCO Food Science Technology (Wuhan) Co., Ltd., Wuhan, 430415, China
[高虹] Institute of Processing of Agricultural Produce and Nuclear Agricultural Research, Hubei Academy of Agricultural Science, Wuhan, 430064, China
[沈汪洋; 周坚] Hubei Collaborative Innovation Center for Processing of Agricultural Products, Wuhan, 430023, China
语种:
中文
关键词:
重组米;直链淀粉;Avrami方程;硬度
关键词(英文):
amylose;Avrami equation;hardness
期刊:
食品科学
ISSN:
1002-6630
年:
2016
卷:
37
期:
9
页码:
61-65
基金类别:
“十二五”国家科技支撑计划项目(2012BAD37B03) 公益性行业(农业)科研专项(201303080)
机构署名:
本校为第一机构
院系归属:
食品科学与工程学院
摘要:
采用差示扫描量热仪和质构仪研究了糙米重组米的Avrami方程及硬度,探讨了糙米重组米的回生特性。结果表明:糙米重组米的Avrami参数n值均小于1,以一次成核的方式结晶;糙米重组米淀粉中的直链淀粉含量对 Avrami参数n有非常显著的影响,对支链淀粉的最大回生度没有显著的影响;参数n和结晶速率k之间成极显著负相关;最大回生度与结晶速率k成显著负相关;硬度可以有效地反映出糙米重组米的回生程度。
摘要(英文):
The Avrami equation (describing the transformation kinetics in crystallization and solid state phase transition) and the hardness of restructured brown rice were investigated by DSC and texture analyzer in the present study. Its retrogradation properties were also explored. The results showed that the exponent n in the Avrami equation was less than 1. The crystallization was based on one-step nucleation. The amylose content significantly affected the Avrami parameter n, while there was no significant difference between maximum retrogradation degree of amylopectin and amylose content. At the sa...

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