China Yeast Extract Paste for fermentation industry - high-purity microbial nitrogen source Factories, Factory

Yeast extract is a paste-like product refined using modern biotechnology, with fresh beer or baker yeast as its primary raw material. It is a mixture composed of amino acids, lipids, water-soluble vitamins, and carbohydrates (primarily oligosaccharides and trehalose).

It is widely used in fermentation industries such as novel biopharmaceuticals, amino acids, vitamins, organic acids, enzyme preparations, probiotic fermentation, biological preservatives, biological pesticides, and microbial preparations.

Product Description

Quality Standards

Sensory Index

Items Requirements
Morphology Paste, no caking
Color Dark brown
Odor Endemic taste and odor of product, no other peculiar smell
Impurity No normal visible extraneous impurity

Physicochemical Index

Items Industrial grade Biochemical grade Reagent grade
Total nitrogen (on DM)% ≥6.5% ≥6.5% ≥6.5%
Amino nitrogen ≥2.0% ≥2.0% ≥2.0%
Solid content % ≥70.0% ≥70.0% ≥70.0%
Solubility (2% solution) Turbid Slight hazy Clear
pH value 4.5-7.0
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 such as:

  • New bio-pharmaceutics
  • Amino acid & Vitamin
  • Organic acid & Enzymic preparation
  • Probiotics fermentation
  • Biological preservatives & Biological pesticide
  • Micro-ecological preparation, 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).

Frequently Asked Questions

Q1: What are the sensory requirements for this product?
The product is a dark brown paste with no caking. It has an endemic taste and odor of the product with no other peculiar smell, and contains no visible extraneous impurities.
Q2: Can the physicochemical specifications be customized?
Yes, while our physicochemical index lists general specifications for industrial, biochemical, and reagent grades, we can customize the product to meet the specific requirements of our customers.
Q3: What are the primary applications of this product?
This product is widely utilized in the fermentation industry. Key applications include new bio-pharmaceutics, amino acids, vitamins, organic acids, enzymic preparations, probiotics fermentation, biological preservatives, biological pesticides, and micro-ecological preparations.
Q4: How should the product be prepared for usage?
The product must be fully dissolved and properly sterilized before use in any application.
Q5: What packaging options are available?
Standard packaging includes a 25kg/bag Compound Paper Bag or Cardboard Bucket. Reagent-grade products are packaged in 250g plastic bottles. We also support custom packaging according to customer measurements, as well as OEM packaging.
Q6: What is the solubility difference between the different grades?
The solubility of a 2% solution varies by grade: the Industrial grade is turbid, the Biochemical grade is slightly hazy, and the Reagent grade is clear.

Related Products