Product Description
The product is a light yellow dry powder obtained from the fresh soybean refined with advanced biology technology. It is used for industrial fermentation only.
Quality Standards
1. Sensory Index
Items | Requirements |
Morphology | Powder, no caking |
Color | Light yellow 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) % | ≥6.0% |
Amino nitrogen (on DM) % | ≥3.0% |
Moisture % | ≤6.0% |
PH (2% solution) | 4.0-5.5 |
Solubility (2% solution) | A little impurity precipitation |
Note: The physicochemical index is general specification but we can customize product according to the requirements of customer.
Application
It is a basic raw material of variant microbial culture medium.
Usage
Fully dissolved and sterilized before use.
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).
Enterprise Standard of Soybean Extract.pdf