Medium 11: Propionate agar

Composition:
– K₂HPO₄ – 0.466 g
– Na₂HPO₄ – 0.732 g
– KNO₃ – 0.1 g
– NaCl – 0.29 g
– MgSO₄×7H₂O – 0.1 g
– CaCO₃ – 0.02 g
– Sodium propionate – 0.2 g
– FeSO₄×7H₂O – 200 μg
– ZnSO₄×7H₂O – 180 μg
– MnSO₄×7H₂O – 20 μg
– Agar – 18.0 g
– Distilled water – 1 L

Sterilize at 0.5–0.7 atm for 45 minutes, pH 7.2.