Beef Soup Medium with Lactose – For Lactic Acid Bacteria Cultivation and Identification

Beef Soup Medium with Lactose is a nutrient-rich broth designed for the cultivation and differentiation of lactic acid bacteria (LAB). The addition of lactose enables differentiation based on sugar fermentation, making it ideal for microbiological testing in dairy and fermented products.

Product Information:

• Name: Beef Soup Medium with Lactose

• Form: Dehydrated powder

• Pack Size: 250g per bottle

• Storage: Room temperature

• Shelf Life: 3 years

Composition (per liter):

• Peptone – 10.0 g

• Beef Extract – 3.0 g

• Sodium Chloride – 5.0 g

• Lactose – 20.0 g

• pH: 6.0 ± 0.2 (25℃)

Preparation Instructions:

1. Dissolve 38 g of powder in 1 L of distilled or deionized water.

2. Stir and heat to boiling until fully dissolved.

3. Dispense and sterilize at 115℃ for 20 minutes.

4. Cool to room temperature and medium is ready for use.

Applications:

• Cultivation and differentiation of lactic acid bacteria (LAB)

• Microbiological analysis of dairy and fermented foods

• Suitable for laboratory identification based on lactose fermentation