ニジマスの急性カドミウム中毒に対するアスコルビン酸およびデヒドロアスコルビン酸投与の効果

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This paper deals with the protective effects of dietary L-ascorbic acid (AsA) and dehydro-L-ascorbic acid (DAsA) on acute cadmium toxicity in rainbow trout Salmo gairdneri.Five groups of thirty-five fish, which had been fed on AsA or DAsA-supplemented diets and the AsA and DAsA-free diet for 24 days, were exposed to 0.14 ppm cadmium solution. The survival times of fish fed on diets containing 600mg/100g of AsA or DAsA were significantly extended as compared with those of fish fed on AsA and DAsA-free diet. The total-AsA contents in the whole bodies of dead fish were proportional to the survival times of the fish.These results indicate that large amounts of dietary AsA or DAsA reduce the acute cadmium toxicity in rainbow trout.
社団法人日本水産学会の論文