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Year : 1993
Tome : 144
Volume : 1
Pages : 39-42
Title : Influence of vitamin C on cadmium retention in Japanese quails
Authors : J.F. WERMUTH, H. WEISER et W.A. RAMBECK
Summary : The influence of dietary zinc, copper and vitamin C on cadmium retention in the organs of japanese quails has been studied. It was observed that for an identically cadmium supplemented feed preparation, the addition of zinc had no effect, the addition of copper increased the retention of the toxic metal and vitamin C lowered the cadmium burden in kidney and in liver significantly. This positive effect of vitamin C persists even when copper has been added to the diet. This is of special interest since in pig raising copper is added to the feed as a growth factor. It was also shown that cristalline vitamin C can be replaced by more stable galenic forms of vitamin C. ° Hoffmann?La Roche AG, Abt für Vitamit(forschung, Basel. RÉSUMÉS Les auteurs ont étudié les effets d'une supplémentation en zinc, en cuivre et en vitamine C sur la rétention du cadmium dans les reins et le foie chez la caille japonaise. Il a ainsi pu être observé que, pour une ration identiquement supplémentée en cadmium, l'adjonction de zinc ne modifie pas la rétention du métal toxique alors que celle du cuivre l'augmente et que celle de vitamine C la diminue de manière considérable. L'effet bénéfique de la vitamine C persiste lors de l'administration concomittante de cuivre. Ceci est intéressant si l'on considère que le cuivre est un facteur de croissance souvent utilisé en élevage porcin. II a également été montré que la vitamine C, substance pure, pouvait être remplacée, dans les préparations alimentaires, par des formulations galéniques plus stables, possédant les mêmes effets vis?à?vis de la rétention cadmique. Influence of vitamin C on cadmium retention in Japanese quails. By J.F. WERMUTH, H. WEISER and W.A. RAMBECK. The influence of dietary zinc, copper and vitamin C on cadmium retention in the organs of japanese quails has been studied. It was observed that for an identically cadmium supplemented feed preparation, the addition of zinc had no effect, the addition of copper increased the retention of the toxic metal and vitamin C lowered the cadmium burden in kidney and in liver significantly. This positive effect of vitamin C persists even when copper bas been added to the diet. This is of special interest since in pig raising copper is added to the feed as a growth factor. It was also shown that cristalline vitamin C can bc replaced by more stable galenic forms of vitamin C.
Keywords : cadmium - retention - zinc - copper - vitamin C - quail.
Correspondence : J.F. WERMUTH
Adress : Institut für Ernährungsphysiologie der Universität München, VeterinärstraBe 13, D-8000 München 22.

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