海産魚のチアミナーゼIの研究-III : カタクチイワシ投与による鶏のV. B1欠乏症

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The presence of high thiaminase activity in anchovy was reported in the previous paper. It was suggested from the report that continuous feeding of animals with the anchovy may possibly result in vitamin B1 deficiency.In the present experiments, male chickens were fed with a diet containing water extract of anchovy and the effects on growth were studied. For the control, this water extract was boiled for 10 min before feeding.As a result of feeding with the non-boiled extract of anchovy, the amount of B1 in liver and muscle gradually decreased but the amount of pyruvic acid in blood increased. Anorexia and retardation of growth were also observed, and heart rate, respiratory rate and body temperature gradually decreased, resulting finally in typical vitamin B1 deficiency.When 0.5 or 1.0 mg of vitamin B1 was injected daily into the leg muscle of B1 deficient male chickens, they regained their stamina in one or two days.The control group given boiled extract showed favorable growth without any abnormal symptoms.
公益社団法人日本水産学会の論文