被这种虫子咬一口你这辈子就别想吃肉了-快科技-科技改变生活

被这种虫子咬一口你这辈子就别想吃肉了

随心
2017年01月05日 14:38
0

世界之大无奇不有，在北美洲有一种很古怪的虫子，咬到会让你下半辈子痛不欲生。

因为只要被它咬到，可能你这辈子就无法吃肉了！

这种虫子叫“美洲钝眼蜱” ，主要分布于美洲中西部。成年后身长5mm-12mm不等，显著特点是背部有个星点。

研究显示，美洲钝眼蜱的唾液带有α-半乳糖甘酵素 (Alpha-Gal)，进入血液后，人体就会判断α-半乳糖甘酵素是威胁，并制造出抗体，产生过敏反应，会起疹子、肿胀、呕吐甚至窒息。由于α-半乳糖甘酵素是牛羊肉都有的成分，以后人再吃这些肉也会产生过敏反应。

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#昆虫 #肉类

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