According to reports, food packaging materials or hidden toxic substances. On the 28th, the Municipal Consumer Protection Committee compared the plastic and paper food packaging materials used in supermarkets and restaurants of the city, such as plastic boxes (trays), plastic cups, plastic bags, plastic bowls, paper cups, paper boxes, and tray plates. Among the 100 samples, 4 were found to be unqualified due to non-compliance with indicators such as evaporation residue (4% acetic acid) and fluorescent substances.

According to the disclosure, a plastic box produced by Nanjing Meichi Paper & Plastic Products Co., Ltd., sold by Shanghai Changfa Shopping Center Co., Ltd. Xinzheng Road Store, has excessive evaporation residue; Shanghai Zhaoguo Enterprise Management Co., Ltd., Zhaojiabang Road Branch Sales, Tianjin Manufactured by Tianyi Paper Products Co., Ltd. and by Qingfangxi Qiye Catering (Shanghai) Co., Ltd., the packaging box produced by Shanghai Shiyue Printing Technology Co., Ltd., and paper products delivered directly by the 9th branch of Shanghai Weiyou Food Management Co., Ltd. Three boxes were found to detect fluorescent substances.

The expert analysis pointed out that the over-standard fluorescent substances are mainly used by individual manufacturers to use recycled paper in order to save costs, and secondly, they violate the relevant provisions of food packaging paper and use printed paper, and the third is to add fluorescent whitening to the whitening of packaging paper. Agent. Heavy metal substances in the evaporation residue can cause harm to the human body.