Microbiology-grade yeast extract is a high-quality nutrient source used in microbial culture media and biological growth formulations for bacteria, yeasts and molds.
Yeast Extract, catalogue No. 12398, is a high-quality microbiology grade nutrient supplied by MilliporeSigma / Merck. Derived from Saccharomyces cerevisiae, this extract contains peptides, amino acids, water-soluble vitamins and trace nutrients that support the growth of bacteria, yeasts, molds and other microorganisms. Yeast extract is widely used in preparation of bacteriological culture media, enrichment broths and microbiological assays where rich nutrient conditions are required to promote robust microbial growth. It dissolves readily in water and integrates into culture media formulations to enhance organism metabolism and colony development.
Advantages
- High-quality microbiology grade yeast extract for consistent culture performance.
- Rich source of peptides, amino acids and vitamins to support microbial growth.
- Enhances growth rates and metabolic activity in culture media.
- Water-soluble and easy to incorporate into broth and agar formulations.
- Suitable for bacteria, yeasts and molds across microbiological applications.
Technical specifications
| Product name | Yeast Extract (microbiology grade) |
| Catalogue number | 12398 |
| Brand / quality | MilliporeSigma / Merck |
| Form | Powder |
| Source | Saccharomyces cerevisiae |
| Typical components | Peptides, amino acids, water-soluble vitamins |
| Applications | Culture media, broths, microbiological assays |
| Solubility | Water-soluble |
| Storage conditions | 15–25 °C, dry |
| Brand | Merck |
| Pack size | 500 g |