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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 fr Vitamit(forschung, Basel. RSUMS Les auteurs ont tudi les effets d'une supplmentation en zinc, en cuivre et en vitamine C sur la rtention du cadmium dans les reins et le foie chez la caille japonaise. Il a ainsi pu tre observ que, pour une ration identiquement supplmente en cadmium, l'adjonction de zinc ne modifie pas la rtention du mtal toxique alors que celle du cuivre l'augmente et que celle de vitamine C la diminue de manire considrable. L'effet bnfique de la vitamine C persiste lors de l'administration concomittante de cuivre. Ceci est intressant si l'on considre que le cuivre est un facteur de croissance souvent utilis en levage porcin. II a galement t montr que la vitamine C, substance pure, pouvait tre remplace, dans les prparations alimentaires, par des formulations galniques plus stables, possdant les mmes effets vis??vis de la rtention 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 fr Ernhrungsphysiologie der Universitt Mnchen, VeterinrstraBe 13, D-8000 Mnchen 22.

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