Approximately 70 anthraquinones and 20 benzanthrones were assayed for mutagenicity in the Salmonella/microsome test, employing 5 tester strains and Aroclor 1254 induced rat-liver microsomes. About one-third of the anthraquinones were frameshift mutagens, particularly phenolic and nitro
The hepatic microsomes derived from various animal species transformed emodin (1,3,8-trihydroxy-6-methylanthraquinone), an anthraquinoid pigment present in fungal metabolites and a constituent of plant medicines, into an unidentified anthraquinone h, along with 2-hydroxy-, 4-hydroxy- and
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