
O/F Medium (HLGB) – 250g | Glucose Utilization Test for Vibrio Identification
O/F Medium (HLGB) is designed for testing glucose metabolism in Vibrio species through Oxidation/Fermentation (O/F) differentiation.
Key Application:
✔️ Differentiation of Vibrio species
✔️ Glucose O/F testing protocol
Formula (Per Liter):
– Peptone: 2.0g
– Yeast Extract: 0.5g
– Sodium Chloride: 30.0g
– Dextrose: 10.0g
– Bromcresol Purple: 0.015g
– Agar: 3.0g
pH 7.4 ± 0.2 (25°C)
Protocol:
1️⃣ Suspend 45.6g in 1L water
2️⃣ Boil 1 minute
3️⃣ Dispense into tubes
4️⃣ Autoclave at 121°C for 15 minutes
5️⃣ Solidify upright
Test Procedure:
– Inoculate two tubes
– Add sterile mineral oil to one tube
– Observe color changes
Features:
– Ready-to-use powder
– pH indicator included
– 3-year stability