Fed-batch fermentations were performed in a 2 L stirred-tank bioreactor (30 ◦C, pH 7) with the dissolved oxygen level controlled at 30% of air saturation.
Fed-batch fermentations were performedin a 2 L stirred-tank bioreactor (30 ◦C, pH 7) with the dissolved oxygen level controlled at 30% of airsaturation.