炎炎夏日,一口冰镇西瓜,香甜爽口,简直就是清凉利器。
然而,29日,“一家三口一夜吃西瓜患肠胃炎”的新闻冲上热搜,让网友感到心悸。

据《白鹿》视频报道,陕西Xi的图图(化名)吃了一夜西瓜后开始恶心、呕吐、腹泻。他的父母因肠胃炎住进了当地医院。图图不仅表现出肠胃炎,还出现了贫血、无尿和肾衰竭。他很快来到Xi安儿童医院肾内科进行血液透析和血浆置换治疗。

A family of three in Xi'an, Northwest China's Shaanxi province, has been diagnosed with gastroenteritis after consuming watermelon placed overnight in the fridge, all developing symptoms such as nausea, vomiting and diarrhea, according to Bailu Video on Tuesday. The child was even rushed to Xi'an Children's Hospital to deal with severe conditions of kidney failure.


此前,“冰西瓜一夜吃下8400个细菌”的新闻也引起了网友的关注。

Is it safe to eat refrigerated watermelon? The topic has once again taken over social media platforms.

那么冰西瓜可以吃吗?怎么吃才安全?


冰西瓜一夜吃了8400个细菌?

其实西瓜是否隔夜不是主要问题,主要问题是有没有致病菌。

一个好的完整的西瓜,里面基本是无菌的。但是切好的西瓜没有果皮的保护,即使放在冰箱里,菌落数还是会上升。

央视《健康之路》中的一个实验显示,实验人员分别用普通切肉刀和专用刀板切开西瓜,用保鲜膜密封保存过夜,再对西瓜面进行检测,得到了截然不同的数据。

According to a study on bacteria formed in watermelon overnight, the researchers cut the watermelon with clean, specialized knives and household butcher knives. Pieces of watermelon were divided into experimental and control groups. After that, the watermelon was wrapped in cling film to preserve freshness and placed in the refrigerator for 24 hours.

用专用砧板和菜刀切下的西瓜,每25g检出45个细菌。然而,用绞肉机处理的每25g西瓜中检测到8400个细菌。

The results showed that watermelons cut with special knives contained only 45 bacteria per 25 grams, while watermelons cut with household knives contained 8400 bacteria per 25 grams.
有研究表明,如果用干净的刀和砧板切瓜,并用干净的保鲜膜包好及时放入冰箱,就不容易有致病菌,甚至隔夜也可以食用。

This experiment proved that watermelons cut with clean knives will not form deadly bacteria when stored in the refrigerator.

也有网友表示,隔夜冰西瓜表面可以切下来吃,这样细菌就不会吃到肚子里了。


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