Peptones, agars and ingredients
Peptonized Milk
Nutrient source used for the cultivation and isolation of lactobacilli and streptococci.
- Cat. No.
- LC-1628
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Peptonized Milk is a pancreatic digest of fat-free milk which is used primarily in culture media for the isolation and growth of lactobacilli and streptococci in dairy products.
Key features
Applications
Nitrogen source for general use.
Industry
Fermentation, ingredients for culture media, manufacturing process.
Technical specifications
| Parameter | Specification | Typical analysis |
|---|---|---|
| AN/TN ratio | N/A | 32.4% |
| Amino nitrogen (AN) | > 1.9% | 2.4% |
| Total nitrogen (TN) | > 6.0% | 7.41% |
| Loss on drying | < 6% | 4.3% |
| Ash | < 10% | 8.4% |
| pH (2% solution) | 6.5-7.5 | 6.7 |
| Storage | 2 to 25 °C |
|---|
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Alanine | 1.56 |
| Aspartic acid | 3.86 |
| Cystine | 0.28 |
| Glutamic acid | 10.01 |
| Glycine | 1.07 |
| Methionine | 1.02 |
| Serine | 2.73 |
| Threonine | 2.18 |
| Tryptophan | 0.52 |
| Histidine | 1.29 |
| Isoleucine | 2.43 |
| Phenylalanine | 2.18 |
| Proline | 4.81 |
| Leucine | 4.25 |
| Tyrosine | 1.20 |
| Valine | 2.98 |
| Arginine | 1.71 |
| Lysine | 3.35 |
Quality control
Growth supporting properties
| Peptone agar | Good |
|---|
Microbiological test
| Test | Specification |
|---|---|
| Salmonella | Negative |
| Standard plate count | < 5000 CFU/g |
| Yeasts and molds | < 100 CFU/g |
| Coliforms | Negative |
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.