The solid-state fermentation medium contained 10 g solid medium (Ginkgo leaves:wheat bran:corncob=8:1.5
0.5) and 16 ml nutritive salt (glucose:urea:(NH4)2SO4:peptone:KH2PO4:MgSO4 = 7H2O ¼4:2:6:1:4:1) and was inoculated with 10% (ml/ml) of the C. utilis and A. niger seed for an aerobiotic fermentation. In total, 0.1% of the C. utilis and A. niger seed was inoculated into the fermentation medium for an aerobiotic fermentation. Both the samples were fermented for 48 h at 28–30 1C. For the combined fermentation, medium was inoculated with 1 ml C. utilis seed at 28–30 ํC for a 24 h aerobic fermentation in the first stage and then 2 ml A. niger seed was inoculated for a 84 h aerobic fermentation in the second stage.