Peptones, agars and ingredients
Liver Peptone
Papaic digest, source of nutrients for culture media.
- Cat. No.
- LC-1703
- Category
- Peptones, agars and ingredients
- Format
- 500 g
- Storage
- 2 to 25 °C
- Minimum guaranteed shelf life
- 15 months
Liver Peptone is a papaic digest of liver controlled by enzymatic hydrolysis. It can be used in some culture media as a superior source of nutrients.
Key features
Applications
Nitrogen source for general use.
Industry
Fermentation, ingredients for culture media, manufacturing process.
Technical specifications
| Amino nitrogen (AN) | 4-6% |
|---|---|
| Total nitrogen (TN) | 10.0-12.0% |
| Loss on drying | < 6% |
| pH (2% solution) | 5.5-6.5 |
| Nitrites | Negative |
| 2% solution test | Total |
| Color | Brown |
| Appearance | Powder |
| Sulfuric ashes | < 17% |
| Chlorides (as NaCl) | < 2% |
| Stability after autoclaving (2% solution) | Stable |
| Storage | 2 to 25 °C |
Amino acids
| Amino acid | Total (g/100 g) |
|---|---|
| Serine | 3.0 |
| Glutamic acid | 9.0 |
| Leucine | 5.7 |
| Tyrosine | 1.1 |
| Phenylalanine | 3.8 |
| Histidine | 5.7 |
| Lysine | 4.8 |
| Arginine | 1.3 |
| Threonine | 3.3 |
| Proline | 3.4 |
| Alanine | 4.6 |
| Valine | 5.6 |
| Methionine | 1.7 |
| Aspartic acid | 6.6 |
| Glycine | 5.3 |
| Isoleucine | 3.5 |
Quality control
| Test | Specification |
|---|---|
| Total aerobic microbial 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.