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葡萄干为什么那么甜
更新时间: 2020-09-14 00:00:00  

因为葡萄被晒的过程中葡萄中所含的水分被蒸发掉了,而本身所含的糖并不会因为水份的蒸发而流失掉,所以葡萄干比葡萄要甜,糖永远都要比糖水甜。因为糖水里面含糖,而糖里面不一定含有水份,因为水分被蒸发了,只剩下糖分,就更甜了,因为葡萄被晒的过程中糖分全都散发出来了,贮存在葡萄干里,所以才会甜,葡萄干会比葡萄甜,因为葡萄干在加工的过程中水分流失,留下糖类等有机物质。但葡萄中水分占的比例较大,相对比较爽口多汁,却不及葡萄干那么甜。

关键词: 葡萄干 为什么 那么

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