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[Evaluation of acute and subacute toxic effects of polactine yellow G].

In acute experiment the following results were obtained: the DL50 value after intragastric administration -- 8.2 g/kg of body weight, after intraperitoneal administration -- 1.33 g/kg of body weight. In the studies on acute effect irritating skin and eye of a rabbit -- only a slight inflammatory reaction in conjunctivae was found. Studies on sensitizing effect carried out on guinea pigs did not reveal any symptoms which would give evidence of an alergic effect of the dye. Lima's test did not reveal any cumulative effects of polactine G Yellow, 8-weeks experiment on 30 male rats, administered with 0.5 g/kg and 1.6 g/kg, gave the following results: in the group of rats exposed to 1.6 g/kg an increased excretion of phenol red with urine, lowered activity of aminotranspherases (AspAT and A1AT), increased activity of lactic dehydrogenase and alkaline phosphatase in the blood serum and increased relative liver weight and relative and absolute weight of the kidney. In the group of rats exposed to 0.5 g/kg of polactine yellow G, increased alkaline phosphatase in blood serum and increased relative and absolute liver weight was found. In histopathological studies in acute and subacute experiment, a damage to gastric wall was found. In addition, an increased damage to parenchymatous organs, of reversible degeneration nature, was found.

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