| 摘要 |
PURPOSE:To improve yield of riboflavin by stabilizing riboflavin producing power of a microorganism capable of producing riboflavin. CONSTITUTION:In production of riboflavin by fermentation method using a microorganism capable of producing riboflavin, a preservation medium and/or a production medium containing a riboflavin derivative used as a preservation medium of the medium capable of producing riboflavin and/or a riboflavin production medium to give riboflavin. |
