Peptones, agars and ingredients
Bacteriological Peptone
Enzymatic digest of animal origin that is used as an ingredient in culture media.
- Cat. No.
- LC-1616
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Bacteriological Peptone is a high-quality hydrolysate produced by the enzymatic digestion of animal tissues. Enzymatic digestion produces amino acids, including essential amino acids and peptides. The enzymes normally used are trypsin and pepsin.
Key features
Applications
Nitrogen source for general use.
Industry
Fermentation, ingredients for culture media, manufacturing process.
Principles and uses
It is widely used in culture media and has been used extensively in the production of toxins, vaccines and other biological products.
Technical specifications
| Parameter | Specification | Typical analysis |
|---|---|---|
| Amino nitrogen (AN) | > 2.7% | 3.5% |
| Total nitrogen (TN) | > 10.0% | 15.48% |
| Loss on drying | < 6% | 3.00% |
| AN/TN ratio | N/A | 22.6% |
| Ash | < 15% | 4.2% |
| pH (2% solution) | 6.5-7.5 | 6.9 |
| Storage | 2 to 25 °C |
|---|
Elemental profile
| Element | Value |
|---|---|
| Calcium | 0.018% |
| Potassium | 1.10% |
| Sodium | 0.97% |
| Magnesium | 0.01% |
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Arginine | 7.16 |
| Aspartic acid | 6.34 |
| Cystine | 0.13 |
| Glutamic acid | 9.58 |
| Histidine | 0.89 |
| Methionine | 0.85 |
| Valine | 2.31 |
| Glycine | 20.60 |
| Tryptophan | 0.06 |
| Alanine | 7.89 |
| Lysine | 3.61 |
| Tyrosine | 0.71 |
| Leucine | 2.84 |
| Phenylalanine | 1.88 |
| Serine | 3.45 |
| Isoleucine | 2.63 |
| Proline | 11.46 |
| Threonine | 1.87 |
Quality control
Growth supporting properties
| Peptone agar | Good |
|---|
Microbiological test
| Test | Specification |
|---|---|
| Coliforms | Negative |
| Salmonella | Negative |
| Yeasts and molds | < 100 CFU/g |
| 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.