OXOID Sabouraud Dextrose Agar (SDA)

OXOID Sabouraud Dextrose Agar (SDA) – Premium Medium for Fungi & Yeast Cultivation

OXOID Sabouraud Dextrose Agar (SDA) is a high-quality culture medium specially formulated for the isolation and cultivation of fungi, yeasts, and molds. Manufactured by Oxoid Ltd, this medium is widely used in clinical, pharmaceutical, food, and environmental microbiology laboratories.

Key Features of OXOID SDA

• Selective for Fungi: Low pH inhibits bacterial growth while promoting fungi
• High Dextrose Content: Supports rapid growth of yeasts and molds
• Reliable Performance: Ensures consistent and reproducible results
• Versatile Use: Suitable for dermatophytes, yeasts, and filamentous fungi
• Easy Preparation: Available in dehydrated powder form

Composition of Sabouraud Dextrose Agar

The medium contains:

• Peptone (nitrogen source)
• Dextrose (energy source)
• Agar
• Adjusted acidic pH (~5.6) to inhibit bacterial contamination

Principle of SDA

Sabouraud Dextrose Agar works based on:

• Acidic pH: Suppresses bacterial growth
• High Sugar Content: Enhances fungal development
• Supports the growth of:
  • Yeasts (e.g., Candida spp.)
  • Molds (e.g., Aspergillus spp.)
  • Dermatophytes (e.g., Trichophyton spp.)

Colony Characteristics

• Yeasts: Creamy, smooth colonies
• Molds: Cottony or filamentous colonies
• Dermatophytes: Powdery or granular growth

Applications

• Clinical diagnostics (skin, hair, nail infections)
• Pharmaceutical and cosmetic testing
• Food and beverage microbiology
• Environmental monitoring
• Research and academic laboratories

Advantages

• Excellent fungal growth support
• Reduces bacterial contamination
• Widely accepted standard medium
• Trusted quality from Oxoid Ltd

Storage and Handling

• Store at 10–30°C in a dry place
• Keep container tightly closed
• Prepare under sterile conditions
• Optional: Add antibiotics (e.g., chloramphenicol) for enhanced selectivity

Why Choose OXOID Sabouraud Dextrose Agar?

With global recognition and strict quality standards, Oxoid Ltd provides dependable microbiological media that ensures accurate fungal isolation and identification.