A method and medium for the electrical detection of Listeria spp. from food.
Int J Food Microbiol
; 25(2): 169-77, 1995 Apr.
Article
em En
| MEDLINE
| ID: mdl-7547148
ABSTRACT
The development of a liquid medium for the detection of Listeria spp. by capacitance monitoring of food samples previously enriched in UVM 1 broth is described. Rapid growth of Listeria monocytogenes was shown to occur in liquid media with selectivity based on antibiotics found in Oxford agar. The final capacitance medium contained higher concentrations of the Oxford selective agents than Oxford agar and did not require the esculin/ferric ammonium citrate reaction to be observed. The medium relied upon the ability of Listeria spp. to induce a greater than 30% change in capacitance within 30 h. When run in parallel with the Listeria spp. test samples of a large food company, the method gave far fewer false-positive results than Fraser broth.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Técnicas Bacteriológicas
/
Microbiologia de Alimentos
/
Listeria
Tipo de estudo:
Diagnostic_studies
Idioma:
En
Revista:
Int J Food Microbiol
Assunto da revista:
CIENCIAS DA NUTRICAO
/
MICROBIOLOGIA
Ano de publicação:
1995
Tipo de documento:
Article
País de afiliação:
Reino Unido