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1. Product Description
Polypeptone is a off-white dried powder refined by various high quality proteins through the biopolymerization. It is rich in nutrition and suitable for culture of numerous fastidious bacteria.
2. Product Standards
1. Sensory Index
Items |
Requirements |
Morphology |
Powder, no caking |
Color |
Light white powder |
Odor |
Endemic taste and odor of product, no other peculiar smell |
Impurity |
No normal visible extraneous impurity |
2. Physicochemical Index
Item |
Reagent grade |
Total nitrogen (on DM) % |
≥12.0% |
Amino nitrogen (on DM) % |
≥2.5% |
Chloride (on DM) % |
≤2.5% |
Ash (on DM) % |
≤10.0% |
Moisture % |
≤6.0% |
PH (2% solution) |
4.5-7.0 |
Acidsolution & alkalescence high-pressure |
Pellucid |
Solubility (2% solution) |
Note: The physicochemical index is general specification but we can customize product according to the requirements of customer.
3. Application
It is the basic raw materials of the fermentation industry and various microbial media.
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