Y0875 Sigma

Select Yeast Extract

for use in microbial growth medium



Related Categories Extracts, Media Components, Microbial Media for Molecular Biology and Protein Expression, Molecular Biology
grade   for molecular biology
sterility   non-sterile
form   powder
pH range   6.5 - 7.5 (10% solution)
solubility   H2O: 100 mg/mL clear to slightly hazy, yellow to brownish-yellow
storage temp.   room temp
suitability   nonselective for Escherichia coli and Coliforms



Suitable for use as nutritional source in microbial media.

Yeast extract is used as a bacteriological media component for a variety of microorganisms and molecular genetics applications.

General description

Yeast extract is the water-soluble portion of autolyzed yeast, often used in culture media. Yeast extract contains a mixture of amino acids, peptides, water soluble vitamins and carbohydrates.

Other Notes

Water soluble portion of autolyzed yeast with intact B-complex vitamins. Yeast extract is a mixture of amino acids, peptides, water soluble vitamins and carbohydrates and can be used as additive for culture media.

Price and Availability

Safety & Documentation

Safety Information

NONH for all modes of transport
WGK Germany 


Certificate of Analysis

Certificate of Origin

Protocols & Articles


Introduction to Microbial Media

Microbiological studies require the availability of different species of bacteria, yeast or viruses in the laboratory. Large scale processes such as fermentation, protein and vaccine production requi...
Keywords: Antibiotics, Cellular processes, Cloning, Culture media, Fermentation, Gene expression, Growth factors, Indicators, Molecular biology, Nutrition, Sterilizations, Vitamins, transformation

Recombinant Protein Expression in Saccharomyces cerevisiae

Expressing recombinant proteins in yeast has many advantages, simple protocols, use of basic reagents, appropriate processing of eukaryotic proteins, and scalability. Sigma® Life Science is an essent...
Keywords: Cell disruption, Gene expression, transformation


Microbial Growth Protocols

From our library of Protocols, Sigma-Aldrich presents Microbial Growth Protocols
Keywords: Antibiotics

Peer-Reviewed Papers


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