炒菜不放盐放后会不会产生有害物质?

炒菜不放盐放后会不会产生有害物质?
2025-03-31 12:55:48
推荐回答(1个)
回答1:

完全不会,炒菜放盐的目的并不是杀灭菜里的有害细菌,实际上它也没有这种功能,放盐的目的一是为了提鲜,二是为了有味道。不放盐,只是不太好吃而已。

但是就炒菜本身而言 ⑴盐含有氯化钠,对食物有渗透作用,可促使菜中的水分析出,加速菜的转酥成熟。 ⑵盐还含有碘化物,放盐更有利于保持蔬菜的色泽和解除微毒。 更重要的是通过吃菜可以补充人体内的盐,它能维持人体内酸碱度的平衡,以保证细胞能在适宜环境中生长,而且盐在人体内有一定的吸水力,使水分不致很快消失,以保证水分对体温的平衡和调节作用。

吃饭时菜里如果不放点盐,即使山珍海味也如同嚼蜡。盐不仅是重要的调味品,也是维持人体正常发育不可缺少的物质。它调节人体内水份均衡的分布,维持细胞内外的渗透压,参与胃酸的形成,促使消化液的分泌,能增进食欲;同时,还保证胃蛋白酶作用所必需的酸碱度,维持机体内酸碱度的平衡,和体液的正常循环。人不吃盐不行,吃盐过少也会造成体内的含钠量过低,发生食欲不振,四肢无力,晕眩等现象;严重时还会出现厌食、恶心、呕吐、心率加速,脉搏细弱、肌肉痉挛、视力模糊、反 射减弱等症状. 食盐的化学成分是氯化钠。正常人体含钠约100克,其中40%在骨骼中,50%在细胞外液,10%在细胞内液。细胞外液中含量最多的阳离子就是钠离子,它是维持人体内环境稳定即水电解质、酸碱平衡以及器官细胞功能和神经、肌肉兴奋性的重要物质。当人处于严重腹泻、失血、大汗等情况,或在食物非常匮乏极度缺盐时,人体会因缺钠而发生明显衰弱、乏力,甚至虚脱、休克而危及生命,常需静脉输注盐水予以救治。 原始人即使不吃盐也有其他方法补充钠元素.动物都要给自己补充盐呢.

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