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Aflatoxin M1 and B1 in Colombian milk powder and estimated risk exposure

Karen Vanessa Marimón Sibaja1, Keven David Moreira Gonçalves1, Sabrina De Oliveira Garcia1

  • 1a Mycotoxin and Food Science Laboratory, School of Chemistry and Food , Federal University of Rio Grande - FURG , Rio Grande , Brazil.

Food Additives & Contaminants. Part B, Surveillance
|February 1, 2019
PubMed

Insights

Aflatoxin M1 contamination is prevalent in Colombian milk powder, with over half exceeding safety limits. This poses a public health risk, as estimated daily intake surpasses safe levels for consumers.

Area of Science:

  • Food Science
  • Analytical Chemistry
  • Public Health

Background:

  • Aflatoxin M1 (AFM1) is a toxic metabolite found in milk and dairy products.
  • Contamination of milk powder is a significant concern for infant and child nutrition.

Purpose of the Study:

  • To determine the levels of Aflatoxin M1 (AFM1) and Aflatoxin B1 (AFB1) in milk powder samples from Colombia.
  • To assess the compliance of these levels with current regulatory standards.

Main Methods:

  • Analysis of 51 milk powder samples using QuEChERS extraction.
  • Quantification of aflatoxins via high-performance liquid chromatography with fluorescence detection (HPLC-FLD).

Main Results:

  • AFM1 was detected in 100% of samples, with concentrations ranging from 0.20-1.19 µg/kg.
  • 55% of samples exceeded the maximum allowable AFM1 level of 0.5 µg/kg.
  • AFB1 was not detected in any samples.

Conclusions:

  • Milk powder in Colombia presents a high risk of AFM1 exposure.
  • Dietary intake of AFM1 from milk powder may exceed safe levels, particularly for vulnerable populations.
  • Regulatory monitoring and control measures are crucial to mitigate public health risks.
Keywords:
AflatoxinColombiaexposureincidencemilkmycotoxin

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