文章转载自 21英语微商城 21世纪英文报
你知道为啥吃菠萝的时候嘴巴会痛吗？
最近在微博，这个“菠萝吃人”的梗有点火
“当你在吃菠萝的时候，菠萝也在吃你。”
？？?
好吧，听起来的确有点吓人了
到底是怎么回事呢？
一起来看看吧！
Pineapple has bromelain (菠萝蛋白酶) in it. It can break down protein (蛋白质). So when you eat pineapples, bromelain breaks down the protein in your mouth. It makes your mouth tingle (感到刺痛).
菠萝含有菠萝蛋白酶，它可以分解蛋白质。所以当你吃菠萝时，菠萝蛋白酶会分解你口腔里的蛋白质，这就是你吃菠萝的时候嘴会痛的原因了！
You might have heard that you should put pineapple in salt water before eating it. Salt water can make the bromelain less active. But if your tongue is still burning, there is hope yet: cooking the pineapple can remove (去除) most of the bromelain. You can either boil or roast it. Then, you can eat as much pineapple as you want!
你可能听说过，吃菠萝之前应该把它放在盐水里，盐水会降低菠萝蛋白酶的活性。但是如果你的舌头还是疼，还有一个小妙招：把它煮了！烹饪菠萝可以去除大部分的菠萝蛋白酶。你可以煮它，或者烤它，这样就可以想吃多少吃多少啦！
是不是很有趣呢？
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