Lactobacillus Selective Agar (LBS Agar) – Medium for Selective Isolation of Lactic Acid Bacteria

Lactobacillus Selective Agar (LBS Agar) – 250g per Bottle

LBS Agar is a high-quality selective medium specifically designed for the selective isolation and cultivation of lactic acid bacteria. Ideal for dairy microbiology, fermented products, and laboratory studies, this medium supports reliable growth while suppressing non-target microorganisms.

Product Information:

• Name: Lactobacillus Selective Agar (LBS Agar)

• Form: Dehydrated powder

• Pack Size: 250g per bottle

• Storage: Room temperature

• Shelf Life: 3 years

Composition (per liter):

• Pancreatic Digest of Casein – 10.0 g

• Yeast Extract – 5.0 g

• Dextrose – 20.0 g

• Monopotassium Phosphate – 6.0 g

• Ammonium Citrate – 2.0 g

• Sodium Acetate – 25.0 g

• Tween 80 – 1.0 g

• Magnesium Sulfate – 0.575 g

• Manganese Sulfate – 0.12 g

• Ferrous Sulfate – 0.034 g

• Agar – 15.0 g

• pH: 5.5 ± 0.2 (25℃)

Preparation Instructions:

1. Dissolve 84.7 g of the medium in 1L distilled or deionized water.

2. Add 1.32 mL glacial acetic acid and mix thoroughly.

3. Heat with stirring for 1 minute until completely dissolved.

4. Cool to 50–55℃ and pour plates.

5. For next-day use, sterilize by autoclaving at 118℃ for 15 minutes.