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Level of iron zinc and copper in the liver of rats fed a diet with triticale meal and sodium proteinate in variable proportion



Level of iron zinc and copper in the liver of rats fed a diet with triticale meal and sodium proteinate in variable proportion



Bromatologia i Chemia Toksykologiczna 22(1): 23-27



Male Wistar rats were fed diet containing 8% of proteins for 28 days. In respective experimental groups of animals the source of protein was: casein, Triticale meal, Triticale meal with sodium proteinate in protein proportion of 80:20, 60:40, 50:50, and sodium proteinate entirely. After termination of feeding experiments, liver Fe, Zn, and Cu concentration was assayed by atomic absorption spectroscopy. Feeding the diet with nothing but sodium proteinate was found to increase markedly the liver Fe level in rats under investigation. After feeding diets with wheat-rye flour as the only source of proteins, the liver Zn and liver Cu levels were decreased. The supplement of triticale flour with sodium proteinate was found to increase of Zn and Cu levels in rat liver. The highest concentration of liver Cu was observed following the feeding with casein diet.

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