FIELD: microbiology.
SUBSTANCE: claimed composition contains mixture of protein-originated compounds with total nitrogen content of 9-20 % and ratio of 2:1-24:1 in relation to gram-positive bacterium inhibitors. Composition contains mixture of organic and inorganic substances in ratio of 0.5:1-2:1 in relation to mixture of protein-originated compounds, which simplify differentiation of gram-negative bacteria. Claimed composition makes it possible to define and differentially calculate E.coli, Salmonella and other coryneformic and gram-negative bacteria in earlier cultivation steps.
EFFECT: method for detection and calculation of gram-negative microorganisms with increased sensitivity.
20 cl, 9 tbl, 7 ex
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