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Polypeptone [MB-P1665]
Polypeptone is a combination nutrient with equal parts of
enzymatic digest of casein and enzymatic hydrolysis of animal tissue.
PACKAGE
|
Description |
Quantity |
Cat. No |
|
Polypeptone |
500g |
MB-P1665 |
|
Polypeptone |
5kg |
MB-P1665-5kg |
PHYSICO-CHEMICAL CHARACTERISTICS
|
Standard |
|
|
Solubility in water at 5% |
Complete |
|
pH of 5% concentration |
6.8 ¡¾ 0.2 |
|
Loss on drying |
¡Â 6.0% |
|
Total nitrogen TN |
10% |
|
a-amino nitrogen AN |
3.7% |
|
Ash |
Not superior to 15% |
INTERPRETATION
Polypeptone is a good nutrient obtained by the enzymatic
hydrolysis of animal tissue and enzymatic digest of casein. It is utilized for
the growth and isolation of fastidious microorganisms that a single source of
casein or meat peptones has been unsatisfactory.
STORE
The powder is very hygroscopic. Store the powder at room
temperature, in a dry environment, in its original container tightly closed and
use it before the expiry date on the label or until signs of deterioration are
evident.