Rothe (medium of)
Use
enrichment in Enterococcus (food Microbiology)
Composition
* peptone: ........................... 20,0 G
*
Glucose: ............................ 5,0 G
* azide: ................................ 0,2 G
* NaCl: ............................... 5,0 G
* potassium hydrogénophosphate: ….2,7 G
* potassium dihydrogénophosphate:. .2, 7 G
pH = 6,8
Preparation
36,2 G per liter (simple concentration) or 72,4 (double concentration). Traditional pressure-sealing
Reading
This medium allows enrichment in Entérocoques of a inoculum of food product. A disorder signs the possible presence of these bacteria which it will then be necessary to confirm by the test of Litsky, the insulation and the identification of the colonies