Peptones, agars and ingredients
Beef Extract
Extract of bovine tissue used as an ingredient for culture media.
- Cat. No.
- LC-1700
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Beef Extract is prepared from very low fat bovine skeletal muscle and marrow, which is spinal column free with no tendons. Beef Extract is highly nutritious and is used in preparing microbiological culture media. It is recommended for use in culture media for the bacteriological examination of water, milk and other materials.
Key features
Industry
Fermentation, ingredients for culture media, manufacturing process.
Technical specifications
| Parameter | Specification | Typical analysis |
|---|---|---|
| Total nitrogen (TN) | > 10.0% | 12.5% |
| Loss on drying | < 6% | 2.5% |
| Ash | < 15% | 9.4% |
| pH (2% solution) | 6.5-7.5 | 6.8 |
| Storage | 2 to 25 °C |
|---|
Elemental profile
| Element | Value |
|---|---|
| Magnesium | 0.019% |
| Calcium | 0.011% |
| Potassium | 2.6% |
| Sodium | 1.6% |
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Alanine | 3.28 |
| Glutamic acid | 15.86 |
| Histidine | 2.08 |
| Isoleucine | 3.91 |
| Leucine | 6.50 |
| Lysine | 5.98 |
| Serine | 4.37 |
| Threonine | 3.56 |
| Tryptophan | 0.97 |
| Tyrosine | 1.68 |
| Arginine | 3.22 |
| Aspartic acid | 6.60 |
| Cystine | 0.35 |
| Glycine | 2.29 |
| Methionine | 1.63 |
| Phenylalanine | 3.58 |
| Proline | 6.91 |
| Valine | 4.85 |
Quality control
Growth supporting properties
| Peptone agar | Good |
|---|
Microbiological test
| Test | Specification |
|---|---|
| Yeasts and molds | < 100 CFU/g |
| Coliforms | Negative |
| Salmonella | Negative |
| Standard plate count | < 5000 CFU/g |
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.
Other products in the same category
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?
Prices are shown after you sign in to the customer area, with your account discount already applied.
How long does delivery take?
We give you the availability with the quote, within 24 hours of your request.