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辣椒为啥辣
更新时间: 2020-08-18 00:00:00  

辣椒中含有一种称为辣椒素的物质,能够刺激皮肤和舌头上感觉痛和热的区域,使大脑产生灼热疼痛的辛辣感觉。辣椒里所含的辣椒素是一种香草酰胺的生物碱,能够与感觉神经元的香草素受体亚型1结合。由于香草素受体亚型1受体激活后所传递的是灼热感,所以吃辣椒的时候,感受到的是一种烧灼的、辣的感觉。这种灼热的、辣的感觉会让大脑产生一种机体受伤的概念,并开始释放人体自身的止痛物质——内啡肽,所以可以让人有一种欣快的感觉,越吃越爽,越辣越想吃。

关键词: 辣椒 为啥

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