Potato Dextrose Semisolid Agar – 250g | Selective Bacterial Medium

Specialized Semisolid Medium for Bacterial Detection

Potato Dextrose Semisolid Agar combines natural potato infusion with high glucose concentration (20g/L) and reduced agar content (5g/L) to create optimal conditions for specific bacterial pathogen detection.

Key Applications:

– Food safety pathogen screening

– Bacterial contamination testing

– Quality control in food production

– Agricultural product safety testing

– Microbiological research applications

Technical Specifications:

– Formula (per liter):

– Potato Infusion: 6.0g

– Dextrose: 20.0g

– Agar: 5.0g

– pH: 5.6 ± 0.2 (25°C)

– Packaging: 250g/bottle

– Storage: Room temperature (15-25°C)

– Shelf Life: 3 years

Preparation Protocol:

1. Suspend 31.0g in 1L distilled water

2. Dissolve with gentle heating and stirring

3. Sterilize at 115°C for 30 minutes

4. Swirl during cooling to prevent settling

5. Solidify at approximately 50°C

Quality Features:

– Semisolid consistency for specific assay requirements

– Acidic pH optimal for selective growth

– Natural potato nutrients support target microorganisms

– Reduced agar concentration creates soft gel matrix