Peptones, agars and ingredients
Tryptone
Pancreatic digest of casein, source of amino acids and peptides for the elaboration of culture media.
- Cat. No.
- LC-1612
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Tryptone is a pancreatic digest of casein containing all amino acids found in casein as well as larger peptide fractions. This product is recommended for preparing media where enzymatically hydrolyzed casein is desired. It is an excellent nutrient for use in culture media for producing antibiotics, toxins, enzymes and other biological products. This product is widely used in the pharmaceutical and veterinary industries and the diagnostic culture media industry.
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) | > 3.9% | 4.20% |
| Total nitrogen (TN) | > 10.0% | 13.13% |
| Loss on drying | < 6% | 3.30% |
| AN/TN ratio | N/A | 32% |
| Ash | < 15% | 6% |
| pH (2% solution) | 6.5-7.5 | 6.8 |
| Storage | 2 to 25 °C |
|---|
Elemental profile
| Element | Value |
|---|---|
| Calcium | 0.019% |
| Magnesium | 0.0065% |
| Sodium | 2.10% |
| Potassium | 0.95% |
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Alanine | 2.87 |
| Arginine | 3.31 |
| Aspartic acid | 6.52 |
| Cystine | 0.40 |
| Glutamic acid | 18.70 |
| Glycine | 1.79 |
| Isoleucine | 4.48 |
| Proline | 8.65 |
| Serine | 5.08 |
| Threonine | 3.91 |
| Tryptophan | 1.05 |
| Tyrosine | 1.86 |
| Valine | 5.51 |
| Lysine | 6.51 |
| Methionine | 2.35 |
| Histidine | 2.29 |
| Leucine | 7.63 |
| Phenylalanine | 4.09 |
Quality control
Growth supporting properties
| Peptone agar | Good |
|---|
Microbiological test
| Test | Specification |
|---|---|
| Salmonella | Negative |
| Coliforms | Negative |
| Standard plate count | < 5000 CFU/g |
| 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.
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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?
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.