[F1Kelman’s Tetrazolium Medium U.K.
Casamino acids (Difco) | 1,0 g |
Bacto-Peptone (Difco) | 10,0 g |
Dextrose | 5,0 g |
Bacto-Agar (Difco) | 15,0 g |
Distilled water | 1,0 l |
Dissolve ingredients and sterilise by autoclaving at 121 °C for 15 minutes.
Cool to 50 °C and add a filter-sterilised solution of 2,3,5-triphenyl tetrazolium chloride (Sigma) to obtain a final concentration of 50 mg per l.]