1. Product Description

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

2.Quality Standard

1)Sensory Index

Items	Requirements
Morphology	Paste
Color	Light yellow or brown
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) %	≥6.5%	≥7.0%	≥7.0%
Amino nitrogen (on DM) %	≥2.0%	≥2.5%	≥2.5%
Solid content %	≥60.0%	≥65.0%	≥70.0%
Chloride %	≤1.8%	≤1.5%	≤1.5%
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.

3.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.

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). 

BEIJING HONGRUN BAOSHUN TECHNOLOGY CO., LTD is a high-tech enterprise integrated R&D, manufacture and marketing. It was established in 2008 and is a professional manufacturer to produce all kinds of culture medium and culture medium materials including casein peptone, soy peptone, yeast extract powder, peptone, polyad peptone, tryptone, acid hydrolysis of casein peptone, beef extract powder, yeast cream etc.