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Brewers’ yeast extractsMore than just a nitrogen source

Leiber-Fermentation H

Specially purified, debittered brewers‘ yeast extract rich in amino acids
Leiber-Fermentation H is a technologically elaborate brewers‘ yeast extract, highly concentrated in free amino acids and other growth-promoting components. It‘s used across the entire spectrum of the biotechnology industry. Similarly, in the production of fermented foods, such as wine vinegar, soy and fish sauces. Fermentation time can be shortened, making an important contribution to increasing profitability.


  • Starter culture production
  • Organic acids production, e.g. amino, fatty, acetic acids
  • Biopharmaceutical production (bulk and specialties)
  • Vitamin production
  • Functional oligosaccharides
  • Hormone and vaccine production
  • Cultivation media for sterile and aseptic cultivations
  • Fermented food, e.g. vinegar, soy and fish sauces


5.0 – 30.0 g/L
2.0 – 15.0 g/L

5.0 – 20.0 g/L
2.0 – 20.0 g/L
3.0 – 30.0 g/L
5.0 – 20.0 g/L
1.0 – 30.0 g/L
0.5 – 15.0 g/L


  • Highly concentrated in free amino acids, peptids and proteins
  • Growth promoting vitamins and trace elements
  • High degree of hydrolysis
  • Light colour
  • Clear water soluble
  • Kosher and Halal
  • Gluten-free according to Regulation (EU) No 828/2014
  • GMO free

Product codeProduct nameConsistency
100434Leiber-Fermentation HPowder
100395Leiber-Fermentation H, LLiquid