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目的了解吉林省内市售纸质食品包装材料中荧光增白剂含量情况,为食品包装材料的安全性提供科学依据。方法 2014年从全省9个地区采集60份纸质包装材料样品,粉碎后经40%乙腈提取(含1%三乙胺)、超声、离心后,采用高效液相色谱仪测定。结果 43份纸杯样品中荧光增白剂检出率为23.2%,4份纸碗中无检出,7份纸浆快餐具中荧光增白剂检出率为14.3%,4份纸袋中荧光增白剂检出率为100.0%,2份纸桶中荧光增白剂检出率为50.0%。结论市售纸质食品包装材料中荧光增白剂检出率比较高,应采取针对措施,以提高食品包装材料安全性。
Objective To understand the content of optical brighteners in the paper-based food packaging materials sold in Jilin Province, and provide a scientific basis for the safety of food packaging materials. Methods In 2014, 60 samples of paper packaging materials were collected from 9 regions of the province. After pulverization, the samples were extracted with 40% acetonitrile (containing 1% triethylamine), sonicated, and centrifuged. The samples were determined by high performance liquid chromatography. Results The detection rate of fluorescent whitening agent in 43 paper cups was 23.2%, no detection was found in 4 paper bowls, the detection rate of fluorescent whitening agents in fast food in 7 cases was 14.3%, the fluorescence whitening in 4 bags The detection rate of the agent was 100.0%, and the detection rate of 50% of the optical brighteners in the two drums was 50%. Conclusion The detection rate of fluorescent brighteners in commercially available paper food packaging materials is relatively high. Measures should be taken to improve the safety of food packaging materials.