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一、调查目的 1973年WHO及FAO召开第三次食品附加剂及污染物会议,要求各国都要重视苯并(a)芘及多环芳香烃对食品污染的研究工作。但很多国家至今尚未制定出食品卫生标准,其主要原因之一就是检测方法,尤其对多环芳香烃的检测方法尚存在问题,当然也缺乏大量的普查资料。我省冰霜期长,绝大部分粮食是用煤火直接烘干。而目前我国各种烘干方式致使苯
First, the purpose of the survey 1973 WHO and FAO held the third meeting of food additives and pollutants, requiring all countries should attach importance to benzo (a) pyrene and polycyclic aromatic hydrocarbons on food contamination research. However, many countries have yet to develop food hygiene standards. One of the main reasons for this is the detection method. In particular, there are still problems with the detection methods of PAHs, and of course, a large amount of census data is lacking. Long frost in our province, the vast majority of food is directly dried with coal fire. At present, various drying methods in our country lead to benzene