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.
4.Usage：Fully dissolved and sterilized before use.
5.Packaging
Compound Paper Bag with 25kg/bag or Cardboard Bucket. Reagent-grade products are packaged with 250g plastic bottle (or be packed according to the measurement requirements of customer and OEM Package as well).