Peptones, agars and ingredients
Malt Extract
Extract with a high content of carbohydrates and vitamins, used for the cultivation of molds and yeasts in particular.
- Cat. No.
- LC-1708
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Malt Extract is prepared by successive purifications, removing all enzymatic activity. In solution, it has a very light color. It is particularly well suited for culturing yeasts and molds, allowing the sporulation of molds such as Aspergillus and Penicillium. It has high carbohydrate content and should not be heated in excess to avoid the darkening of the medium. Malt Extract provides carbon, protein and nutrients in culture media.
Key features
Applications
Carbon and nitrogen source for general use.
Industry
Fermentation, ingredients for culture media, manufacturing process.
Principles and uses
Malt Extract is one of few peptones that is not used strictly for nitrogen content, but for its high level of carbohydrates and vitamins.
This peptone is classified as animal-free, GMO-free.
Technical specifications
| Loss on drying | < 6% |
|---|---|
| pH (1.5%) after autoclaving | 4.5-5.5 |
| Color | Beige |
| Appearance | Powder |
| Sulfuric ashes | < 5% |
| Solubility (1.5% solution) | Total |
| Optical density (2% solution, 400 nm) | < 0.5 |
| Stability after autoclaving (1.5% solution) | Stable |
| Maltose | > 70% |
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Aspartic acid | 0.9 |
| Threonine | 0.4 |
| Serine | 0.4 |
| Glutamic acid | 0.16 |
| Valine | 0.6 |
| Methionine | 0.2 |
| Isoleucine | 0.5 |
| Leucine | 0.6 |
| Tyrosine | 0.3 |
| Arginine | 0.5 |
| Proline | 0.6 |
| Glycine | 0.4 |
| Alanine | 0.4 |
| Phenylalanine | 0.7 |
| Histidine | 0.6 |
| Lysine | 0.6 |
Quality control
| Test | Specification |
|---|---|
| Total aerobic microbial count | < 5000 CFU/g |
| Total yeast and moulds count | < 100 CFU/g |
| Coliforms | < 10 CFU |
What you receive
The product
Shipped under controlled temperature when the product requires it.
Lot certificate
Every lot comes with its certificate.
Tracked shipment
Follow your shipment live, from our warehouse to your lab.
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Frequently asked questions
Can I ask for formats other than those listed?
Yes: custom formats and OEM packs are available on request. Tell us the quantities you need.
How do I see the prices?
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How long does delivery take?
We give you the availability with the quote, within 24 hours of your request.