|Yeast extract||2.5 g|
|Distilled water||1 liter|
Heat to dissolve ingredients. Dispense into suitable tubes or flasks. Autoclave 15 min at 121°C. Final pH, 7.0 ± 0.2.
For viable yeasts and molds, dispense 20-25 ml portions into sterile 15 × 100 mm petri dishes.
Original Source: Bacteriological Analytical Manual, 8th Edition, Revision A, 1998.