Wholesale High-Quality Yeast Extract Powder from China Suppliers - Premium Factory Production for Fermentation Culture Media Manufacturers, Manufacturer

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China is renowned for its high-quality yeast extract powder, a fine, dry, light yellow powder derived primarily from fresh beer yeast and baker's yeast. This product is produced by leading suppliers utilizing modern biotechnology methods, including controlled autolysis and enzymatic hydrolysis, which ensure the complete breakdown of yeast cell structures. Through a meticulous process of separation, purification, concentration, and advanced spray drying, our factory delivers a yeast extract powder with a stable texture and exceptional purity. Packed with balanced nutrients, it contains a complex array of free amino acids, small molecular peptides, water-soluble vitamins, and carbohydrates such as oligosaccharides and trehalose. With outstanding solubility and remarkable nutritional activity, this product serves as a vital nitrogen source, growth factor, and source of trace elements. It is extensively utilized in the preparation of microbial culture media and finds applications in biological fermentation, biopharmaceuticals, and the food industry, significantly enhancing microbial proliferation and metabolism in both industrial production and laboratory research.

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Product Description

Product Standards
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
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
Acid solution & alkalescence high-pressure —— Pellucid
Solubility (2% solution) Slightly soluble Complete lysis
The physicochemical index is general specification but we can customize product according to the requirements of customer.
Application
Yeast extract enjoys extensive application across multiple industrial fermentation fields. It is widely adopted in the production of innovative biomedicines, amino acids, vitamins and organic acids, as well as enzyme preparations and probiotic fermentation processes. Besides, it also serves as a key nutrient raw material for manufacturing biological preservatives, bio-pesticides and microecological products, acting as an essential nutritional supplement to support microbial growth in various biomanufacturing workflows.
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Biomedicines Innovative biopharmaceutical production
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Amino Acids & Vitamins Fermentation-based synthesis
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Bio-pesticides Microecological & preservative products
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Enzyme Preparations Probiotic fermentation support
Usage
⚗️ Fully dissolved and sterilized before use.
Packaging
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Standard Packaging Compound Paper Bag — 25 kg/bag or Cardboard Bucket
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Reagent-Grade Packaging 250g plastic bottle, or customized by customer measurement requirements
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OEM Packaging Available upon request to meet specific branding needs
Frequently Asked Questions
What grades of yeast extract are available?
Yeast extract is available in three grades: Industrial Grade, Pharmaceutical Grade, and Reagent Grade. Each grade differs in specifications such as total nitrogen content, amino nitrogen content, and solubility to suit different application requirements.
Can the product specifications be customized?
Yes. While the physicochemical index represents general specifications, products can be customized according to specific customer requirements. OEM packaging is also available upon request.
How should yeast extract be prepared before use?
Yeast extract should be fully dissolved and sterilized prior to use in fermentation or other applications to ensure optimal performance and safety.
What are the main applications of yeast extract?
Yeast extract is widely used in industrial fermentation fields including the production of biomedicines, amino acids, vitamins, organic acids, enzyme preparations, probiotics, biological preservatives, bio-pesticides, and microecological products.
What packaging options are available for yeast extract?
Standard packaging includes compound paper bags (25 kg/bag) and cardboard buckets. Reagent-grade products are available in 250g plastic bottles. Custom packaging sizes and OEM packaging can also be arranged to meet customer needs.
What is the moisture and ash content of yeast extract?
Across all grades (Industrial, Pharmaceutical, and Reagent), the moisture content is ≤6.0% and the ash content (on dry matter basis) is ≤15.0%, ensuring consistent product quality and stability.

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