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米饭咀嚼时间长了为什么有甜味
更新时间: 2020-09-06 00:00:00  

因为米饭中含有淀粉,而口腔会分泌一种唾液淀粉酶,淀粉在唾液淀粉酶的作用下,部分转变成麦芽糖,所以米饭咀嚼时间长了会有甜味。

关键词: 米饭 咀嚼 时间 为什么 甜味

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