Effect of mixing time on the structural characteristics of noodle dough under vacuum
文献类型: 外文期刊
第一作者: Liu, Rui
作者: Liu, Rui;Xing, Yanan;Zhang, Yingquan;Zhang, Bo;Wei, Yimin;Jiang, Xuju
作者机构:
关键词: Dough structural characteristics;Vacuum mixing;Textural profile properties;Microstructure;Free thiol group;Glutenin macropolymer
期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The structural characteristics of noodle dough under different vacuum mixing times were investigated using three flour samples by texture profile analysis (TPA), SEM, FTIR micro-imaging, and by measuring the glutenin macropolymer and free -SH content. The sheeted dough mixed for 8 min presented better textural properties and a more compact and even microstructure. Insufficient mixing resulted in an uneven distribution and an inadequately developed gluten network, especially for weak-gluten flour (Jimai 22). Excessive mixing was detrimental to the developed dough network and decreased the uniformity of component spatial distribution. Furthermore, excessive mixing led to a decrease in GMP content as well as the increase in free -SH content. Flours with different protein characteristics behaved differently. The TPA, microstructure and free -SH content of dough of Zhengmai 366 was less affected by mixing time than that of Jimai 22, suggesting that strong-gluten flour has better noodle dough mixing tolerance. (C) 2015 Elsevier Ltd. All rights reserved.
分类号: TS2`TS201.2
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