SELECTIVE NUTRIENT MEDIUM WITH MANNITOL, BILE AND POLYMYXIN TO DETECT BACTERIA OF THE GENERA PROTEUS, MORGANELLA, PROVIDENCIA, DRY Russian patent published in 2023 - IPC C12N1/00 

FIELD: biotechnology.

SUBSTANCE: essence of the invention is the fact that pancreatic hydrolyzate of fish meal (PGRM K₂HPO₄) demineralized from calcium and magnesium cations with additional precipitation of high molecular weight proteins and peptides, purified bile (JOG) is used as a protein base in the following quantitative ratio of components, g/l: dry pancreatic hydrolyzate of fish meal (PGRM K₂HPO₄ dry) 8.8-12.8, dry purified bile 3.0-7.0, mannitol D(-) 0.5-1.5, sodium chloride 4.0-6.0, bromthymol blue 0.03-0.05, crystal violet 0.0015-0.0025. The composition of SD, g/l: polymyxin B sulfate 0.01-0.014.

EFFECT: finished medium after sterilization, the introduction of urea and a selective additive (polymyxin B) is transparent, green, which improves the visual interpretation of the research results.

1 cl, 1 tbl, 5 ex