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白酒放久了喝到最后为什么带甜味

更新时间: 2020-07-11 00:00:00     

因为白酒时间长了会发生缓慢氧化生产醋酸,然后乙醇与醋酸发生酯化反应,生成乙酸乙酯。乙酸乙酯是无色透明液体,有甜味,易挥发,能够产生有强烈醚似的气味,以及清灵、微带果香的酒香,且易扩散,但不持久。

关键词: 白酒 最后 为什么 甜味

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