Incubation time (h) Fig. 5. Effect of incubation time on citric acid and biomass production by A. niger using banana peel as a substrate under Koji fermentation (values with the same alphabet are not significantly different at the 0.05 level).
Incubation time (h)Fig. 5. Effect of incubation time on citric acid and biomass production by A. niger using banana peel as a substrate under Koji fermentation (values with the same alphabet are not significantly different at the 0.05 level).