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The effect of calcium on the synthesis of vitamin C in chicken tissues was examined. The content of vitamin C was determined in chicken tissue by the Roe-Kuether method and the activity of l-gulono-γ-oxidase active in the terminal phase of vitamin C synthesis by the Chatterjee method. Absorption of vitamin C and calcium from the intestines was determined in vivo by the method of a perfused intestinal...
In 50 domestic fowls: ducks, geese, turkeys and chickens, the content of vitamin C in the wall of glandular stomach, jejunum and caecum was determined. Vit. C was determined in tissues and blood plasma by the Roe-Kuether method, the level of an intermediate product of synthesis of D-glucuronic acid by the Bitter method, and the activity of L-gulono-y-oxidase active in the terminal stage of vitamin...
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