[Effect of amino acid imbalance and ascorbic acid deficit on the carcinogenic effect of N-nitrosopiperidine].


A study was made of the effect of ascorbic acid deficiency and low levels of lysine, methionine and threonine on the cancerogenic effect of nitrosopiperidine which was fed to guinea-pigs with drinking water in a single dose of 4.25 mg/kg bw. Deficiency of the nutrients given alone or especially in combination speeded up the growth tumors induced by the… (More)


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