Yeast Extract Powder

 

Classify: Culture Medium Raw Material

Item No.: HRBS-Y017A

Specification: Reagent grade

Brand: HRBS

Application: It is suitable for culturing mycoplasma and general bacteria.

 

Order Online:

京东淘宝

 

Product Description

The yeast extract powder is made from fresh beer or bread yeast by autolysate of modern biotechnology or enzymatic hydrolysis, which is a powder to be formed by separation, refinement and concentrated spray drying. And it is a mixture of amino acids, peptides, water-soluble vitamins and sugars (mainly mean oligosaccharides and trehalose).


Quality Standards

1. Sensory Index

Items

Requirements

Morphology

Powder

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

Item

Industrial grade

Pharmaceutical grade

Reagent grade

Total nitrogen  (on DM) %

≥7.5%

≥8.0%

≥8.0%

Amino nitrogen (on DM) %

≥2.5%

≥3.0%

≥3.5%

Ash (on DM) %

≤15.0%

≤15.0%

≤15.0%

Moisture    %

≤6.0%

≤6.0%

≤6.0%

PH (2% solution)

4.5-7.5

Acidsolution & alkalescence high-pressure

——

Pellucid

Solubility (2% solution)

Slightly soluble

Complete lysis

Note: The physicochemical index is general specification but we can customize product according to the requirements of customer.


Application

It is widely used in the fermentation industry of new biomedicine, amino acid, vitamin, organic acid, enzyme preparation, probiotic fermentation, biological preservative, biological pesticide, microecologics, etc.


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).


酵母浸粉Y017A.jpg


Enterprise Standard of Yeast Extract Powder.pdf

 

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