糸状菌による脂質の生産に関する研究 (第17報) : 接合菌類Mortierella isabellinaの脂質生産性に及ぼす培養条件の影響

概要

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A study was made of how cultural conditions [incubation temperature, incubation pH and quantity of nitrogen source (C/N ratio)] influence the amounts of lipids produced from glucose in the bath culture fermentation of Mortierella isabellina. Cell growth and lipid content were found to be influenced by incubation pH and the quantity of available nitrogen. In incubation of low pH, lipid accumulation increased, but the rate of cell growth decreased. On using ammonium sulfate as the source of nitrogen at a C/N ratio of 62.9 the maximum accumulation of lipids in the mycelium was 5.49 g/L. Lipid accumulation of M. isabellina was increased from 19.0% to 66.6 % on increasing the C/N ratio from 7.9 to 62.9.
社団法人日本油化学会の論文