Microplastics contamination in eggs: Detection, occurrence and status

被引：62
作者：
Liu, Qingrun [1 ,2 ,3 ]
Chen, Zhe [1 ]
Chen, Yulun [1 ,2 ,3 ]
Yang, Fangwei [1 ,2 ,3 ]
Yao, Weirong [1 ,2 ,3 ]
Xie, Yunfei [1 ,2 ,3 ]
机构：
[1] Jiangnan Univ, State Key Lab Food Sci & Technol, 1800 Lihu Ave, Wuxi 214122, Jiangsu Provinc, Peoples R China
[2] Jiangnan Univ, Sch Food Sci & Technol, 1800 Lihu Ave, Wuxi 214122, Jiangsu Provinc, Peoples R China
[3] Jiangnan Univ, Joint Int Res Lab Food Safety, 1800 Lihu Ave, Wuxi 214122, Jiangsu Provinc, Peoples R China
来源：
FOOD CHEMISTRY | 2022年 / 397卷
基金：
中国国家自然科学基金;
关键词：
Microplastics; Eggs; Digestion; Characterization; Distribution in eggs; Estimation of intake; EXTRACTION; WATER;
D O I：
10.1016/j.foodchem.2022.133771
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Nowadays, the widespread distribution of microplastics (MPs) in various foods has received much attention. In this study, eggs were purchased as samples from local supermarkets to detect and analyze the presence of MPs. The digestion method was optimized for eggs to better isolate MPs, which proved MPs indeed exist in eggs, and the average content was 11.67 +/- 3.98 particles/egg. The shape and size range of most MPs were spherical and 50-100 mu m. The infrared results showed that the main type of MPs in eggs was polyethylene. The number of MPs in egg yolk was higher than that in egg white, and there was no significant change after cooking. In addition, the daily human intake of MPs was estimated. Therefore, the results of this study provided a background for the current status and pollution of MPs in eggs, and proposed the necessary control and preventive measures to avoid this situation.
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页数：8
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