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怎样识别蔬菜新鲜不新鲜
更新时间: 2020-09-21 00:00:00  

1、颜色。对于绿色叶子类的蔬菜首先要看叶子的颜色,越绿的叶子表示越新鲜,也就是蔬菜越接近它本身的颜色越新鲜,越好;

2、形状。不新鲜的蔬菜有萎蔫、干枯、扭曲等异常形态,有的蔬菜由于使用了激素物质,会长成畸形;

3、气味。不法商贩为了使蔬菜更好看,用化学药剂进行浸泡,如硫、硝等,这些物质有异味,而且不容易被冲洗掉。

关键词: 怎样 识别 蔬菜 新鲜

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