| 摘要 |
PROBLEM TO BE SOLVED: To provide pyruvic acid in high yield by a fermentation method by using a saccharide as a stating raw material. SOLUTION: A variant which is capable of producing pyruvic acid, reduced in or deficient in pyruvic acid assimilating ability and belongs to the genus Yarrowia is cultured in a medium containing a seccharide and pyruvic acid is formed and accumulated in the medium. Pyruvic acid is separated and collected from the medium. |
