Classify: Culture Medium Raw Material
Item No.: HRBS-Y042
Specification: Reagent grade
Brand: HRBS
Application: It is a basic raw material of multiple microbial culture medium.
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Product Description
Corn steep liquor powder is as same as corn steep liquor but the water content is less. Because the product is a powder or block solid, it is not perishable, and easy to use, make the product yield and quality stable, transport and store. However, the corn steep liquor is packaged with liquor barrels which are not convenient for transportation, storage and use. And due to the high content of protein and trace elements, it is easy to ferment and degenerate when the temperature is slightly high to affect its performance.
Quality Standards
1. Sensory Index
Items | Requirements |
Morphology | Powder or caking with diameter 1cm, and it is easy to form large caking in summer |
Color | Light yellow or brown powder |
Odor | Endemic taste and odor of product, no other peculiar smell |
Impurity | No normal visible extraneous impurity |
2)Physicochemical Index
Items | Ordinary type |
Loss on drying | ≤13.0% |
Protein (on a dry basis) | ≥42.0% |
Total phosphorus(on a dry basis) | ≥2.0% |
Sulfur dioxide(on a dry basis) | ≤0.4% |
pH(2% solution) | 3.5-5.0 |
Note: The physicochemical index is general specification but we can customize product according to the requirements of customer.
Application
It is widely applied in the fileds like antibiotics (e.g. penicillin, erythromycin, gentamicin, spectinomycin, aureomycin, etc.), vitamins (e.g. VC, VB2, etc.), amino acid( e.g. glutamate, lysine, phenylalanine, etc.), enzymic preparation (e.g. amylase, glucoamylase, etc. ), and so on, and is the nutrient supplements of water-soluble plant protein and water-soluble vitamins in the process of biological fermentation.
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).
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Enterprise Standard of Corn Steep Liquor Powder.pdf
Address: Green Land Central Square #7-809, Haidian District, Beijing, China
Zip Code：100194
Tel：+86 10 56352177/56352199
Fax：+86 10 56352177-604
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