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为什么西红柿煮熟后会变酸
更新时间: 2020-09-19 00:00:00  

原因如下:

生番茄中含有果胶元,果胶元是一种胶状物质,对水的溶解度不大,因此果胶元中的有机酸溶到果汁中的数量不多,所以酸味不显著。

如将番茄煮熟后,果胶元就变成了溶解于水的果胶,有机酸也随之进入水中,所以番茄变酸。

关键词: 为什么 西红柿

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