汉中市市售植物油中黄曲霉毒素污染状况调查

Investigation of pollutions of aflatoxinin vegetable oil sold in Hanzhong

为调查汉中市市售植物油中黄曲霉毒素的污染状况,采集2019—2020年汉中市市售植物油样品160份,采用GB 5009.22—2016第三法高效液相色谱-柱后衍生法检测其中的4种黄曲霉毒素(B_(1)、B_(2)、G_(1)、G_(2))含量。结果表明:160份植物油样品中有7份检出黄曲霉毒素,阳性率为4.38%,含量均值为0.466μg/kg,远低于GB 2761—2017限量标准。综上,汉中市市售植物油中黄曲霉毒素污染状况总体较轻,为低风险产品。

In order to investigate the pollutions of aflatoxin in vegetable oil sold in Hanzhong,a total of 160 samples of vegetable oil on the market in Hanzhong from 2019 to 2020 were collected and the aflatoxin B_(1),B_(2),G_(1),G_(2) contents were determined by GB 5009.22-2016 methodⅢHPLC-post-column derivatization.The results showed that aflatoxin was detected from 7 vegetable samples among 160 samples,the detection rate was 4.38%,and the average content was 0.466μg/kg,far below the national limit standard of GB 2761-2017.The pollution of aflatoxin in vegetable oil sold in Hanzhong is generally light,and it belongs to low-risk product.