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Fig. 2 | BMC Biotechnology

Fig. 2

From: Continuous enhancement of iturin A production by Bacillus subtilis with a stepwise two-stage glucose feeding strategy

Fig. 2

The relationship of spores to total cells ratios and starting feeding time (a), time courses of iturin A concentration (b) and reducing sugar concentration (c) in flasks using a pulsed glucose-feeding strategy with different feeding initiating times. Symbols: control (■), feeding at 24 h (), feeding at 36 h (), feeding at 48 h (□), feeding at 60 h (). Each point represents the mean (n = 3) ± standard deviation

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