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扯面和面为什么要放盐
更新时间: 2020-09-19 00:00:00  

扯面和面加盐可使和出来的面相对更具劲道。和面的实质是一种结晶过程,形成含水结晶体,并随着不断地单向揉搓使晶体方向逐步趋于一致。具体原理:

使面团有劲道的主要物质是麦胶蛋白和麦谷蛋白,这两种蛋白质就是面筋的主要成份。和面时加入的少量食盐溶入水,形成电解质溶液。当面粉中的这两种蛋白质遇到电解质时发生凝结,形成蛋白胶,从而增强了面团的筋力。

关键词: 和面 为什么

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