DETECTION OF AFLATOXIN M1 IN BULK-TANK MILK AND SHEEP CHEESE

  • F. Cossu | lucia.zoppi@pagepress.org Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.
  • C. Scarano Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.
  • G. Moniello Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.
  • C. Spanu Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.
  • D. Pittau Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.
  • S. Virdis Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.
  • E.P.L. De Santis Dipartimento di Biologia Animale, Facoltà di Medicina Veterinaria, Università di Sassari, Italy.

Abstract

The Aflatoxin M1 (AFM1) content in 118 bulk-tank sheep milk samples was evaluated using an ELISA commercial kit. During a lactation, three bulk-tank milk samples were collected from each of 40 semi-extensive farms, selected on the basis of high level of concentrate supplementation as risk factor for exposure to Aflatoxin B1 (AFB1). The AFM1 content was also determined in 38 sheep cheese samples collected from a dairy plant where the farms enrolled in the survey shipped the milk. In the three sampling the concentrate supplementation recorded in the farms ranged between (mean±sd) 492.2±257.7 and 397.7±214.3. AFM1 was detected in 1 bulk-tank sheep milk sample (0.8%) at concentrations as little as 5.2 ng/L while in 117 it was not detectable (<5 ng/L). AFM1 was also detected in 5 (13.2%) out of 38 samples of ripened sheep cheese at levels (mean±sd) of 58.1±7.8 ng/Kg. A very low AFM1 content in bulk mik and cheese was observed, as the result of the implementation of good agricultural and good farming practices.

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Published
2011-01-08
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Original Articles
Keywords:
Aflatoxin M1, sheep milk, cheese, ELISA, concentrate feedstuff
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How to Cite
Cossu, F., Scarano, C., Moniello, G., Spanu, C., Pittau, D., Virdis, S., & De Santis, E. (2011). DETECTION OF AFLATOXIN M1 IN BULK-TANK MILK AND SHEEP CHEESE. Italian Journal of Food Safety, 1(1zero), 93-97. https://doi.org/10.4081/ijfs.2011.844