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食品安全关是怎么把的

2017-08-31 06:26:51   中国青年网

山西省食品药品监督管理局日前举行公众开放日活动。记者走进省食品质量安全监督检验研究院,了解相关知识

二次盲样保公平公正

省食检院是国家质检总局“十一五”重点建设的国家级中心和省级食品检验机构,拥有气相色谱串联质谱仪、等离子体光谱质谱仪、离子色谱仪等精密检测仪器,并配备有260余台精密分析仪器,基本能满足日常检验和突发事件应急监测任务需求。

食品抽检的主要流程包括抽样、检验、异议处理、结果审核分析利用、核查处置、结果发布等。省食检院在此基础上首创了“二次盲样”办法。盲样检测就是把同一类型产品上与不同厂家相关的信息去掉后进行的检测,就像封闭阅卷,阅卷老师不知道考生名字一样。“所有样品接样、进行登记后,进行盲样,之后转到制样室,制样完成之后进行二次盲样编号,再分发到气相、液相、微生物、光谱等各实验室,最后所有数据出来,通过实验室专用软件电脑网络自动生成报告之后,才能知道这是哪家公司的产品和检验结论。”梁宝爱介绍,“二次盲样避免了检验环节人为因素干扰,确保检验结果公平公正。”

多项指标护卫安全

“每一种食品的检验都有国家标准。不同食品有不同的感官、理化、微生物要求。要求不一样,需要检验的项目和标准也不同。”省食检院正高级工程师郝蔚霞说,比如液体乳按标准分为巴氏杀菌乳、灭菌乳、调制乳和发酵乳,四者执行标准不同,检验项目也不同。如我们常见的巴氏杀菌乳,也就是仅以生牛(羊)乳为原料,经巴氏杀菌等工序制得的液体产品。《食品安全国家标准 巴氏消毒乳》对其的感官规定是,巴氏杀菌乳的色泽应该是乳白色或微黄色,滋味和气味要求具有乳固有的香味,无异味,组织状态应是呈均匀一致液体,无凝块、无沉淀、无正常视力可见异物。检验人员据此进行检验。

对于瓶装饮用天然矿泉水,标准除了规定感官要求、理化要求、污染物指标、微生物指标外,还有加工工艺要求。一是要在保证天然矿泉水原水卫生安全和符合标准规定的条件下进行开采、加工和灌装。二是在不改变饮用天然矿泉水水源水基本特性和主要成分含量前提下,允许通过曝气、倾析、过滤等方法去除不稳定组分;允许回收和填充同源二氧化碳;允许加入食品添加剂二氧化碳,或者除去水中的二氧化碳。三是不得用容器将原水运至异地灌装。“对加工工艺的要求主要是为了确保饮用天然矿泉水质量,防止在瓶装和运输途中产生二次污染。”梁宝爱说。

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