calfstone
第13楼2008/12/18
问题可以从允许限量的建立来说,Codex Alimentarius Commission (CAC)在建立食品中重金属允许限量时列举了以下考虑的因素:
1、毒理性质。
2、分析方法及分析数据(本底)
3、人体摄入数据
4、公平交易
5、风险评估
CAC还提出对于限量的建立必须考虑该限量所指定的代表化合物。
The contaminant as it should be analyzed and to which the ML applies should be clearly defined. The definition may include important metabolites when this is appropriate from an analytical or toxicological point of view. It may also be aimed at indicator substances which are chosen from a group of related contaminants.
结合砷的实际来看,好像都用无机砷作为限量标准好一些。国家标准的测试方法也有待改进。也希望我们的讨论可以推动这方面的改进。