1. Product Description

Beef extract is a tan or dark brown paste obtained from fresh beef which is defatted, digested, filtered, concentrated, sprayed and dried. It is rich in creatine, creatinine, peptides, amino acids, nucleotides, organic acids, minerals and vitamins water-soluble substances, etc. In addition, it contains more methionine, more vitamins and other growth factors needed for bacterial growth.   

2. Quality Standards

• Sensory Index

Items	Requirements
Morphology	Paste
Color	Yellowish-brown or tan
Odor	Endemic taste and odor of product, no other peculiar smell

• Physicochemical Index

​Item	Industrial grade	Pharmaceutical grade	Reagent grade
Total nitrogen  (on DM) %	≥8.0%	≥8.5%	≥9.0%
Amino nitrogen (on DM) %	≥2.0%	≥2.0%	≥2.5%
Solid content  %	≥60%	≥65%	≥70%
Chloride (on NaC1)%	-	-	≤12.5%
PH (2% solution)	4.0-7.0		6.8-7.2
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 supplements the peptone and other nitrogen sources have nutrient deficiency and is a high-grade raw materials of microbial ferment industry.

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.