Norsolorinic acid from a mutant strain ofAspergillus parasiticus
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- Lee, L.S., Bennett, J.W., Goldblatt, L.A. et al. J Am Oil Chem Soc (1971) 48: 93. doi:10.1007/BF02635696
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A mutant formed after UV irradiation of a potent aflatoxin producing strain ofAspergillus parasiticus elaborated 80% less aflatoxin than did the parent strain and produced an orange-red pigment. This new metabolite which represents 1% of the mycelial mass has been identified as 2-hexanoyl-1,3,6,8-tetrahydroxyanthraquinone (norsolorinic acid), mol wt 370, mp 256–257 C, and molecular formula C20H18O7.