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Microbiology ; (12)1992.
Artículo en Chino | WPRIM | ID: wpr-686266

RESUMEN

The optimized cultural medium of fermentation for Candida sp.mutant strain YQ5 to produce S-adenosylmethionine was studied.The results of single factor experiment showed that the most favorable pH value,carbon source,nitrogen source organic nutrient is 6.0,8% sucrose,1.5% tryptone and 2% yeast extract,respectively.As to inorganic salts,MgSO4?7H2O,CaCl2,FeSO4?7H2O,CoCl2,CuSO4?5H2O,H3BO3 could improve accumulation of the intercellular SAM.The ingredients of the culture medium are also opti-mized by the orthogonal experiment.Fermentation for 48 h under the optimal condition resulted in AdoMet production at 1740.0 mg/L.

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