Molecular Nutrition

Risk Analysis of Aflatoxin M1 Contamination in Raw Milk from China

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  • 1. College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China;
    2. Ministry of Agriculture-Milk and Dairy Product Inspection Center(Beijing), Beijing 100193, China;
    3. State Key Laboratory of Animal Nutrition, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China;
    4. State Key Laboratory of Livestock and Poultry Breeding, Institute of Animal Science, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China

Received date: 2018-05-30

  Online published: 2018-12-19

Abstract

This survey was performed to analyze the contamination of aflatoxin M1 (AFM1) in raw milk from China. A total of 5 080 raw milk samples were collected in major milk-producing areas of China (Hebei, Heilongjiang, Henan, Inner Mongolia and Shandong provinces), and the AFM1 concentration in those raw milk samples was measured by enzyme-linked immunosorbent assay (ELISA) method. The results showed as follows: in 5 080 samples,there were 234 samples were detected AFM1, and the incidence of AFM1 contamination in raw milk was 4.6%. Totally, thirty-six raw milk samples (0.7%) exceeded the EU limit standard (50 ng/L), and none of raw milk samples exceeded the Chinese and American limit standards (500 ng/L). The safety level of raw milk in China has continuously improved. In addition, raw milk samples have a higher risk of AFM1 contamination in winter. The incidence of AFM1 contamination was 11.2% in winter, which was much higher than that in spring, summer and autumn (1.5%, 2.5% and 4.5%, respectively). Therefore, it is particularly important to avoid AFM1 contamination in raw milk during the winter, good harvesting practices and strict regulations should be adopted during the winter season in China. This comprehensive study will facilitate future risk analysis and the management of AFM1 contamination in raw milk in China.

Key words: aflatoxin M1; raw milk; season; China

Cite this article

LI Songli, MIN Li, GAO Yanan, ZHENG Nan, ZHANG Yangdong, WANG Jiaqi . Risk Analysis of Aflatoxin M1 Contamination in Raw Milk from China[J]. Chinese Journal of Animal Nutrition, 2018 , 30(12) : 5202 -5209 . DOI: 10.3969/j.issn.1006-267x.2018.12.049

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