CULTURE MEDIUM FOR DETERMINING COMMON COLIFORM BACTERIA AND E COLI IN TEST SAMPLES

摘要

FIELD: chemistry.;SUBSTANCE: culture medium contains the following in g/l of distilled water: pancreatic gelatine hydrolysate - 10.0±4.0, lactose 10.0±3.0, purified bile - 20.0±4.0, brilliant green 0.0133±0.0033, L-tryptophan - 1.0±0.3, 4-methylumbelliferyl-β-D-glucuronid (MUG) 0.1±0.02.;EFFECT: avoiding wrong interpretation of results during visual observation and enables simultaneous determination of coliform bacteria and E.coli, and cuts analysis time down to 18 hours.;1 dwg, 1 tbl, 3 ex