1.
J Appl Bacteriol
; 70(2): 135-43, 1991 Feb.
Article
in English
| MEDLINE
| ID: mdl-2019549
ABSTRACT
The suitability of a variety of media and procedures for the enumeration of sulphite-reducing clostridia in food was investigated. The most suitable procedure was pasteurization of the 1/10 macerate for at least 1 min at 80 degrees C; followed by culture at 30 degrees C for up to 3 d in a sulphite-based, differential reinforced clostridium medium, without bicarbonate or lactate but with an increased iron concentration, and sulphite and iron added after sterilization. Black sulphite-reducing colonies were finally tested for sensitivity to metronidazole and confirmation of their failure to grow on agar slopes under aerobic conditions.
Subject(s)
Clostridium/growth & development , Food Microbiology , Animals , Bacillus/growth & development , Colony Count, Microbial , Culture Media , Dairy Products , Desiccation , Food Preservation , Spores, Bacterial
2.
Nurs Times
; 67(38): 1196-7, 1971 Sep 23.
Article
in English
| MEDLINE
| ID: mdl-5095354