Fig. 5From: Enhanced lincomycin A production by calcium gluconate feeding in fermentation of Streptomyces lincolnensisTime course of intracellular NADPH (a) or NADH (b) concentrations and their ratio (c). Black: mode 8. Red: control. Each point represents the mean (n = 3) ± standard deviation. **Represents p < 0.01Back to article page