Isra Jedidi, A. Messaï, S. Redouane-Salah, Saad Mebrek
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Assessment of aflatoxin M1 levels in raw camel milk, cow milk and powdered milk in Algeria
ABSTRACT The study provides current information on the level of Aflatoxin M1 (AFM1) in three kinds of milk. This is the first report on AFM1 contamination in raw camel milk in the studied area. Seven raw camel milk, 21 raw cow milk, and 13 powdered milk samples were analysed with a highly sensitive competitive enzyme-linked immunosorbent assay (ELISA) kit. The results indicated that 14.63% (6/41) of all the analysed samples were positive, with an average concentration of 17.92ng/L, and a range of 5.5–42.5ng/L. It was found that only one sample (4.76%) of cow’s milk was positive, but all camels’ milk samples (100%) were free from Aflatoxin M1. The highest incidence and concentration (38.46%) was found in powdered milk with an average concentration of 20.34 ng/L. No analysed sample exceeded the limit set by European regulations (50 ng/L). This means that the milk analysed does not represent a consumer health hazard owing to the low concentration of Aflatoxin M1, but continuous monitoring is still needed to protect public health.
期刊介绍:
For more than 45 years, the International Journal of Environmental Studies has been pre-eminent in its field. The environment is understood to comprise the natural and the man-made, and their interactions; including such matters as pollution, health effects, analytical methods, political approaches, social impacts etc. Papers favouring an interdisciplinary approach are preferred, because the evidence of more than 45 years appears to be that many intellectual tools and many causes and effects are at issue in any environmental problem - and its solution. This does not mean that a single focus or a narrow view is unwelcome; provided always that the evidence is indicated and the method is robust. Pragmatic decision-making and applicable policies are subjects of interest, together with the problems in establishing facts about dynamic systems where long periods of observation and precise measurement may be difficult to secure. In other words, a systems or holistic approach to the environment and a scientific analysis are complementary, and the distinction between ’hard’ and ’soft’ science is bridged in most of the papers published. These may be on any item in the agenda of environmental science: land, water, food, conservation, population, risk analysis, energy, economics of ecological and non-ecological approaches, social advocacy of arguments for change, legal measures, implications of urbanism, energy choices, waste disposal, recycling, transport systems and other issues of mass society. There is concern also for marginal areas, under-developed societies, minorities, species loss; and indeed no element of the subject of environmental studies, seen in an international and interactive mode, is excluded.