Description

Malt Extract Agar (MEA) – Premium Medium for Fungi and Yeast Cultivation

Malt Extract Agar (MEA) serves as a specialized medium for cultivating fungi and yeast, especially in the sugar industry. This medium plays a crucial role in syrup, soft drink, and beverage manufacturing, making it essential for microbiological research and quality assurance.

Key Ingredients and Their Benefits

• Malt Extract (30 g/L): This ingredient provides carbohydrates and proteins necessary for yeast and mold growth. It supports robust microbial activity, ensuring optimal culture development.
• Mycological Peptone (5 g/L): This source of amino acids and nitrogen compounds enhances fungi and yeast growth, promoting healthy cultures.
• Agar (15 g/L): As a solidifying agent, agar creates a stable gel that supports microbial growth while maintaining medium integrity.

Optimal Growth Conditions

Malt Extract Agar maintains a final pH of 6.0 ± 0.2 at 25°C. This slightly acidic environment encourages molds and yeasts to thrive while inhibiting unwanted bacteria, ensuring reliable cultures.

Preparation Instructions

1. Mixing: Suspend 50 g of Malt Extract Agar in one liter of deionized or distilled water.
2. Heating: Mix thoroughly and heat until boiling, about one minute.
3. Dispensing: Pour the medium into sterile tubes or flasks.
4. Sterilization: Autoclave at 121°C for 15 minutes to achieve sterility.

Storage Guidelines

Store Malt Extract Agar tightly capped in its original container at 5-30°C. The dehydrated medium lasts for three years from the manufacturing date. Prepared media can stay at 2-8°C, away from direct light.

Quality Control Measures

Perform quality control by observing cultural characteristics after incubating at 30 ± 1°C for 48-72 hours. This step confirms that the medium meets necessary performance criteria.

Conclusion

Malt agar extract stands as an indispensable medium for anyone involved in cultivating fungi and yeast, particularly in the beverage industry. By providing a nutrient-rich environment and maintaining optimal growth conditions, MEA ensures reliability and accuracy in microbiological studies. Equip your laboratory with MEA to achieve superior results in yeast and mold culture, supporting both product quality and research outcomes.

Visit our [Food Hygiene Detection Series] for more related products.