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Y1626 Sigma-Aldrich

Select Yeast Extract, EZMix powder

for use in microbial growth medium

Synonym: Select Yeast Extract



Related Categories Broth / Media, Core Bioreagents, Extracts, Life Science Reagents for Cloning, Media Components,
grade   for molecular biology
sterility   non-sterile
form   powder
storage temp.   room temp
suitability   nonselective for Escherichia coli
  nonselective for coliforms


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.


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

Suitable for use as nutritional source in microbial media.


1 kg in poly bottle

250 g in poly bottle

Features and Benefits

Select Yeast Extract EZMix powder provides:
• Granulated, dust-free format for safer handling and faster mixing
• Easy scale-up using larger package sizes

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.

Legal Information

EZMix is a trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
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, Fermentation, Gene expression, Growth factors, Indicators, Molecular biology, Nutrition, Sterilizations, Vitamins, transformation


Microbial Growth Protocols

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

Restriction Enzyme Cloning Manual Buffer Recipes

Tip 1: DNA is quite stable in TE buffer at 4ºC. If stored in elution buffer or water then freezing at -20 ºC is advised.
Keywords: Phase transitions, Sequencing, Sterilizations

Transforming E. coli with Engineered Plasmid

Inoue and colleagues developed this method in 1990. It works well for many strains commonly used in cloning. The original method calls for growing the overnight E. coli cultures at 18°C. We find that...
Keywords: Antibiotics, Centrifugation, Cloning, Peptide synthesis, Phase transitions, transformation

Peer-Reviewed Papers


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Y1625 Yeast Extract, for use in microbial growth medium
Y0875 Select Yeast Extract, for use in microbial growth medium

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