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普洱茶为什么发甜

更新时间: 2020-10-31 00:00:00     

普洱茶发甜是因为普洱茶的成分中有糖类。

普洱茶中的糖类主要是可溶于水的单糖、双糖及可水解的多糖。单糖主要有葡萄糖、果糖、核糖等;双糖主要有麦芽糖、蔗糖、乳糖等。单糖和双糖都是可溶解在水里的,是茶叶滋味中的甜味物质。多糖属低聚糖(寡糖),它不可溶于水,但可水解,水解后在唾液酶的作用下还原成葡萄糖,使味觉产生甜味。

关键词: 普洱茶 为什么

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