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34种食盐价差悬殊 市民选购别盲目

2017-09-04 06:25:51   中国青年网

国家标准GB 2721—2015中规定每1千克食盐中钡的含量不得多于15毫克,此次检测的34个样品中钡的含量均符合国家标准。

分析本次对比试验的34个样品检测结果,各类指标均符合国家标准。表明目前市场上销售的各类食盐产品质量较好,可放心食用。

买盐应结合自身需求选择

针对此次比较试验结果,长春市消费者协会提示消费者在购买食用食盐时应结合自身需求选择适合的食用盐。市场销售食盐种类较多,在选择购买时要查看食盐标注和说明;此外,要正确认识海盐,有一部分消费者认为,海盐味道好、比食盐含钠更少,因此海盐比食盐更健康。其实,海盐是海水蒸发提取的,除了含有一般盐里的氯化钠外,还含有微量其它元素,譬如钾、钙、镁、磷、碘等,因此颗粒较粗,味道和口感也和一般盐略有不同。一般食盐是从地下盐中高度纯化而得,杂质含量极少。从营养的角度看,无论海盐还是一般食盐,主要成分都是氯化钠。

同时,消费者应打消盐是咸的,所以不会发生变质和性能变化的思想。实际上食盐是有保质期的,但并不能说明它没有变化,因为食盐除了含氯化钠之外,还加有碘化钾,如长期在光照、风吹和受热的情况下,碘化钾中的碘元素也会因挥发而使食盐中的碘含量降低,影响补碘效果。

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