title: [Relation of acetoin and valine in Enterobacteriaceae cultures on media with glucose and glycerin].
abstract: The ratio between acetoin and valine produced by the cultures of the family Enterobacteriaceae changes upon the addition of glucose and glycerol or their mixture to a defined medium. The experiments were carried out with 12 strains of Aerobacter aerogenes and 2 strains of Aerobacter cloacae and Serratia marcescens. The highest yield of acetoin was found on the medium with glucose (12.5--13.0 g/litre); the maximum accumulation of valine was registered on the medium with glucose and glycerol (1.8--4.8 g/litre). The presence of glycerol in the medium decreased the production of acetoin by 27--85 percent compared to that on the glucose-mineral medium.
mesh_terms: D000093:Acetoin / Q000378:metabolism*; D002074:Butanones / Q000378:metabolism*; D003470:Culture Media; D004754:Enterobacter / Q000378:metabolism; D004755:Enterobacteriaceae / Q000378:metabolism*; D005947:Glucose / Q000378:metabolism; D005990:Glycerol / Q000378:metabolism; D012706:Serratia marcescens / Q000378:metabolism; D014633:Valine / Q000378:metabolism*
chemical_list: D002074:Butanones; D003470:Culture Media; D000093:Acetoin; D014633:Valine; D005947:Glucose; D005990:Glycerol
vernacular_title: Sootnoshenie atsetoina i valina v kul'turakh bakteriĭ semeĭstva Enterobacteriaceae na sredakh s gliukozoĭ i glitserinom