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Process strategy for 2,3-butanediol production in fed-batch culture by acetate addition
이상준,최한석,김찬겸,락치미,박철환,김승욱 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.56 No.-
Various strategies were studied to enhance 2,3-butanediol production using Enterobacter aerogenesSUMI014. The synergistic effect of acetate improved yield and productivity, and resulted in 32.3% increasein 2,3-butanediol production, compared to the wild strain. Optimizing the fermentation conditionssuccessfully increased the 2,3-butanediol production. In batch fermentation, 93.75 g/L of 2,3-butanediolwas obtained within 54 h, along with 0.49 g/g of yield and 1.74 g/L/h of productivity. The highest 2,3-butanediol production achieved was in fed-batch fermentation with acetate addition strategy, withproduction, yield and productivity of 126.10 g/L, 0.38 g/g and 2.10 g/L/h, respectively.