Absence of mutagenic activity of benorylate, paracetamol and aspirin in the Salmonella/mammalian microsome test |
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Authors: | M L Jasiewicz J C Richardson |
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Abstract: | Benorylate and its two major hydrolysis products, paracetamol and aspirin were examined for mutagenicity in the Salmonella/mammalian microsome screening test. The compounds were tested in 6 strains of Salmonella typhimurium (TA1535, TA1537, TA1538, TA100, TA97 and TA98) in the presence and absence of a rat-liver microsome activation system. Benorylate did not show evidence of mutagenic activity in the 6 strains tested with or without metabolic activation at concentrations ranging from 0.006 to 3 mg per plate. Paracetamol and aspirin likewise did not show any evidence of mutagenic activity at concentrations ranging from 0.1 to 50 mg per plate for the former and 0.01 to 50 mg per plate for the latter. |
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