# J250: YEAST EXTRACT MANNITOL AGAR MEDIUM ## Main sol. J250 3 g Yeast extract 10 g Mannitol 0.5 g K2HPO4 0.1 g NaCl 0.2 g MgSO4 x 7 H2O 0.025 g Congo red 15 g Agar 1000 ml Distilled water 1. Adjust pH to 6.8.