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  • Title: Presence of aflatoxin M1 in raw, reconstituted, and powdered milk samples collected in Algeria.
    Author: Redouane-Salah S, Morgavi DP, Arhab R, Messaï A, Boudra H.
    Journal: Environ Monit Assess; 2015 Jun; 187(6):375. PubMed ID: 26009161.
    Abstract:
    Aflatoxins are potent toxic metabolites produced by Aspergillus spp. Aflatoxin M1 (AFM1) is a metabolite of aflatoxin B1 that can be present in milk, and it is a public health concern. There is scarce information on the incidence of aflatoxin M1 contamination in milk consumed in Algeria. The presence of AFM1 was investigated in raw milk samples collected between February and October 2011 from 11 dairy farms representative of Algerian production conditions and that were located around Constantine city. Reconstituted and powdered milk samples were purchased from local supermarkets. The analysis was performed by liquid chromatography-fluorescence detection after immunoaffinity purification. AFM1 was detected in 5 out of 47 samples (11 %) at levels ranging from 9 to 103 ng/L, with one sample exceeding the limit of 50 ng/L set by European regulations. Traces of AFM1 (less than 8 ng/L) were also found in 11 other samples. The incidence of AFM1 contamination was higher in imported powdered milk (29 %) than in raw milk (5 %). Although the concentration of AFM1 in contaminated samples was low, the relatively considerable prevalence found in this exploratory study justifies more detailed and continuous monitoring to reduce consumers' exposure to AFM1.
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