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홍성란,이현절,정봉우,김춘영 全北大學校 1995 論文集 Vol.39 No.-
The production of gluconic acid by Aspergillus niger KCTC 2119 was studied. The Optimal culture conditions, such as initial pH, temperature, inoculum size and medium composition were established. Maximum overall gluconic acid productivity, 0.13g/L · hr was obtained when the cultivation was carried out at 33℃ and initial pH 5.5 for 72 hrs, with medium containing 110g/L glucose, 0.5g/L (NH_4)_2SO_4, 0.2g/L KH_2PO_4, 1.0g/L MgSO_4·7H_2O, and 0.1g/L corn steep liquor. The metabolic parameters such as specific growth rate, cell and gluconic acid yields were estimated for process improvement.