医学专家：轻微沾染可清洗勿对“辐射菜”恐慌-百姓话题-君健网

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医学专家：轻微沾染可清洗勿对“辐射菜”恐慌

发布时间：2011-04-12 03:52 来源：君健网

中国核事故医学专家苏旭11日在北京呼吁公众对目前中国一些蔬菜出现微量污染情况不必恐慌，他称，蔬菜上的微量放射物质是“可以清洗掉”的。

　　有报道称，中国近期部分地区抽样检测，发现菠菜、莴苣叶等一些蔬菜在检测当中有微量放射性碘-131。

　　中国疾病控制中心辐射防护与核安全医学所所长苏旭在国家卫生部举行的新闻发布会说，空气中存在的微量放射性物质碘-131沉降到地面后，会污染地面上露天生长的蔬菜，雨雪天气会加速沉降，“相当于雨天把空气中的放射性物质洗下来，所以地面污染会加重”。

　　他指出，由于空气中的放射性物质是极其微量的，自然或是雨雪加速沉降下来的也是极微量的；目前检测到蔬菜表面的放射性物质沾染量非常微弱。他称，每天食用1公斤这样的蔬菜，对人体产生的辐射剂量相当于天然本底辐射1天量的千分之一到三左右。

　　苏旭当场进行实验，把检测到放射性碘-131的菠菜放到水中浸泡10分钟左右，再清洗一次之后就检测不出碘-131了。“在微量的情况下清洗一次，能清洗掉50%左右，清洗三次就可降低到90%以下。”

　　他强调，实验表明目前是很微量的污染，并且可以清洗掉。因此大家不必要恐慌。

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每月吃次阿司匹林能防胰腺癌上一篇 | 下一篇吃2千公斤含放射物质蔬菜辐射量等...

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