Modified Tomato Juice Agar (TJA) – Medium for Lactic Acid Bacteria Enumeration

Modified Tomato Juice Agar (TJA) – 250g per Bottle

The Modified Tomato Juice Agar (TJA) is a premium quality agar medium designed for the enumeration of total lactic acid bacteria. Ideal for dairy microbiology, fermented products, and laboratory bacterial analysis, this medium ensures reliable growth of lactic acid bacteria.

Product Information:

• Name: Modified Tomato Juice Agar (TJA)

• Form: Dehydrated powder

• Pack Size: 250g per bottle

• Storage: Room temperature

• Shelf Life: 3 years

Composition (per liter):

• Tomato Juice Extract – 2.5 g

• Beef Extract – 10.0 g

• Yeast Extract – 5.0 g

• Sodium Acetate – 5.0 g

• Dextrose – 2.0 g

• Lactose – 20.0 g

• Dipotassium Phosphate – 2.0 g

• Tween 80 – 1.0 g

• Agar – 15.0 g

• pH: 6.8 ± 0.2 (25℃)

Preparation Instructions:

1. Dissolve 62.5 g of the medium in 1L distilled or deionized water.

2. Heat gently to boiling until fully dissolved.

3. Dispense into suitable containers.

4. Sterilize by autoclaving at 121℃ for 15 minutes.

5. Shake well after sterilization to prevent agar sedimentation at the bottom.

Applications:

• Enumeration of total lactic acid bacteria

• Dairy product quality testing

• Fermented food microbiology studies

• Laboratory bacterial analysis