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土豆为什么会有甜味呢
更新时间: 2020-09-23 00:00:00  

土豆富含淀粉和糖,在贮藏过程淀粉与糖能相互转化;当环境温度低于0℃时,淀粉水解酶活性增高,薯块内单糖积累,土豆就变甜。土豆富含淀粉,口腔内还有大量的唾液淀粉酶,在体温作用下,其活性最强,使部分淀粉转化为麦芽糖 。麦芽糖口感发甜,所以土豆会有甜味。

关键词: 土豆 为什么 甜味

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