Peptones, agars and ingredients
Proteose Peptone No.3
Enzymatic digest of animal origin, source of nutrients for the cultivation of microorganisms.
- Cat. No.
- LC-1607
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Proteose Peptone No. 3 is a high quality hydrolysate produced by the enzymatic digestion of animal tissues. It is widely used in culture media and has been used extensively in the manufacture of toxins, vaccines, enzymes and other biological products. This product provides nitrogen in a form that is readily available for bacterial growth.
Key features
Applications
Nitrogen source for general use.
Industry
Fermentation, ingredients for culture media, manufacturing process.
Technical specifications
| Parameter | Specification | Typical analysis |
|---|---|---|
| Amino nitrogen (AN) | > 3.4% | 4.35% |
| Total nitrogen (TN) | > 10.0% | 12.42% |
| Loss on drying | < 6% | 3.20% |
| AN/TN ratio | N/A | 35.02% |
| Ash | < 16% | 8.20% |
| pH (2% solution) | 6.5-7.5 | 6.7 |
| Storage | 2 to 25 °C |
|---|
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Alanine | 3.48 |
| Phenylalanine | 3.56 |
| Proline | 6.95 |
| Serine | 4.30 |
| Threonine | 3.57 |
| Tryptophan | 0.95 |
| Glutamic acid | 16.14 |
| Glycine | 2.90 |
| Histidine | 1.99 |
| Isoleucine | 3.83 |
| Leucine | 6.50 |
| Lysine | 5.95 |
| Methionine | 1.77 |
| Tyrosine | 1.58 |
| Valine | 4.89 |
| Arginine | 3.29 |
| Aspartic acid | 6.69 |
| Cystine | 0.47 |
Quality control
Growth supporting properties
| Peptone agar | Good |
|---|
Microbiological test
| Test | Specification |
|---|---|
| Salmonella | Negative |
| Standard plate count | < 5000 CFU/g |
| Coliforms | Negative |
| Yeasts and molds | < 100 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.