Glucose Yeast Extract Peptone Medium (GYP Medium) – 250g Bottle for Bacillus Spore Cultivation

Glucose Yeast Extract Peptone Medium (GYP Medium/GYP Agar Medium) is a versatile medium designed for the separation and cultivation of Bacillus spores. Available with or without agar, it contains calcium carbonate to support spore growth and optimal pH stability.

Product Information

• Product Name: Glucose Yeast Extract Peptone Medium / GYP Medium / GYP Agar Medium

• Pack Size: 250g per bottle

• Form: Dehydrated powder

• Storage: Room temperature

• Shelf Life: 3 years

Applications

• Separation and cultivation of Bacillus spores

• Microbial research and laboratory studies

• Industrial microbiology quality control

Composition (per liter)

• Glucose – 20.0g

• Peptone – 5.0g

• Yeast Extract – 5.0g

• Calcium Carbonate (CaCO₃) – 0.1g

• Agar – 15.0g

• pH: 6.8 ± 0.2 (25℃)

Preparation Instructions

1. Dissolve 45.1g of the medium in 1L of distilled or deionized water.

2. Heat and boil for more than 1 minute to dissolve agar completely.

3. Mix well and dispense.

4. Sterilize at 121℃ for 15 minutes.

5. After sterilization, shake thoroughly to prevent sedimentation of agar.

6. Medium is ready for Bacillus spore cultivation.