Bromcresol Purple Dextrose Broth

Bromcresol Purple Dextrose Broth is a dehydrated culture medium formulated for sterility testing of low-acid canned foods.
The medium contains dextrose as a fermentable carbohydrate and bromcresol purple as a pH indicator, allowing clear visual detection of microbial growth through color change.

This broth is commonly used in food microbiology laboratories to evaluate microbial contamination in processed foods.
The stable dehydrated format ensures easy preparation, consistent performance, and long shelf life, making it suitable for routine quality control and regulatory testing.

🔬 Product Applications

• Sterility testing of low-acid canned foods

• Food microbiology quality control

• Detection of microbial growth through pH indication

• Routine laboratory testing and analysis

📦 Product Specifications

• Product Name: Bromcresol Purple Dextrose Broth

• English Name: Bromcresol Purple Dextrose Broth

• Form: Dehydrated powder

• Package Size: 250 g / bottle

• Storage Condition: Room temperature, dry place

• Shelf Life: 3 years

🧾 Medium Composition (per liter)

• Peptone – 10.0 g

• Beef Extract – 3.0 g

• Dextrose – 10.0 g

• Sodium Chloride – 5.0 g

• Bromcresol Purple – 0.04 g

Final pH: 7.0 ± 0.2 (25 °C)

⚙️ Directions for Use

1. Suspend 28.0 g of the medium in 1 liter of distilled or deionized water.

2. Warm gently with stirring until completely dissolved.

3. Dispense 10 ml portions into test tubes containing inverted Durham tubes.

4. Sterilize by autoclaving at 121 °C for 10 minutes.

5. Cool to room temperature before use.