| ≥1 piece | 4.5 |
1. Product Description
This product is a light yellow powder refined by the fresh meat or bone hydrolyzed with acid or enzyme then dried, and has a special fragrant smell of meat. Protein is decomposed by acid, alkali or protease to form peptone which is rich in organonitrogen compounds, vitamins and sugars. Our peptone is mixed peptone by beef and ox bone.
2.Quality Standards
1) Sensory Index
|
Items |
Requirements |
|
Morphology |
Powder, no caking |
|
Color |
Light yellow or yellow brown |
|
Odor |
Endemic taste and odor of product, no other peculiar smell |
|
Impurity |
No normal visible extraneous impurity |
1) Physicochemical Index
|
?Item |
Industrial grade |
Pharmaceutical grade |
Reagent grade |
|
Total nitrogen (on DM) % |
≥13.0% |
≥13.5% |
≥13.5% |
|
Amino nitrogen (on DM) % |
≥2.0% |
≥2.0% |
≥2.5% |
|
Ash (on DM) % |
≤10.0% |
≤10.0% |
≤10.0% |
|
Moisture % |
≤6.0% |
≤6.0% |
≤6.0% |
|
PH (2% solution) |
4.5-7.5 |
||
|
Acidsolution & alkalescence high-pressure |
—— |
Pellucid |
|
|
Solubility (2% solution) |
Slightly soluble |
Pellucid |
|
Note: The physicochemical index is general specification but we can customize product according to the requirements of customer.
3.Application
It is widely used in the fermentation industry of antibiotic, vitamin, amino acid, organic acid and enzyme preparation etc.to apply in drug sensitivity detection medium and culture of salt-tolerant microorganisms.