Bacterial Preservation Medium – 250g | Culture Maintenance Agar

Stable Medium for Long-Term Microbial Preservation

This specialized agar medium maintains bacterial viability with optimal nutrient balance (15g/L tryptone + 5g/L soybean peptone) and pH stability (7.3±0.2) for culture storage.

Key Applications:

– Laboratory strain collections

– Research culture maintenance

– Industrial microorganism banks

– Clinical isolate preservation

– Educational culture storage

Technical Specifications:

– Formula (per liter):

– Tryptone: 15.0g

– Soybean Peptone: 5.0g

– Sodium Chloride: 5.0g

– Agar: 15.0g

– pH: 7.3 ± 0.2 (25°C)

– Packaging: 250g/bottle

– Storage: Room temperature (15-25°C)

– Shelf Life: 3 years

Preparation Protocol:

1. Suspend 40.0g in 1L distilled water

2. Boil with stirring until complete dissolution

3. Autoclave at 121°C for 15 minutes

4. Pour into sterile tubes/slants for preservation

Quality Features:

– Stable pH for long-term storage

– Dual protein sources for diverse microorganisms

– Optimal agar concentration for viability