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A potent mutagen isolated from a methanol extract of sardines broiled under normal domestic conditions was strongly mutagenic to Salmonella typhimurium TA98. Its identity has been established as 2-amino-3-methyl-3H-imidazo[4,5-f]quinoline on the basis of spectral evidence and by chemical synthesis.
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Kasai et al. (1981) studied this question.
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