Stall and pasture feeding as a factor potentially affecting the content of detrimental chemical compounds in selected dairy products
2006
Radzyminska, M. | Smoczynski, S.S. (University of Warmia and Mazury, Olsztyn (Poland). Dept. of Commodities and Food Analysis)
The study was aimed at determining the impact of the milk production period and selected dairy products on the level of external chemical compound residues in milk. For this reason the experimental material was sampled in the summer and in winter season. A total of 120 dairy products were assayed for the concentrations of lead, cadmium, 2 DDT (as a total sum of DDT+DDE+DDD), gamma HCH, total PCB, nitrates (V), and nitrates (III). In reference to the current local requirements, the concentrations of individual contaminants were low. The examined contaminants were present in all the examined products. The determined concentrations of the external chemical compounds reported in the products originating from the winter and summer feeding were similar, thus it may be assumed that a Polish consumer is exposed to similar intakes of these contaminants with milk and dairy products, irrespective of the season
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