The aflatoxin, averufin and its O-methylated derivatives 6-O-methylaverufin (31) and 6,8di-O-methylaverufin were also isolated from different strains of the marine-derived fungus A. versicolor , whereas averufin was also isolated from other species of Aspergillus such as A. niger and A. nidulans . Averufin exhibited different bioactivities including potent antioxidant activity in terms of Trolox equivalent antioxidant capacity ,