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09182 Sigma-Aldrich

Yeast Extract

for technical purposes

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Properties

Related Categories Base Ingredients for Media, Microbiology, Yeast Extracts More...
grade   for technical purposes
shelf life   limited shelf life, expiry date on the label
impurities   ≤15% ash
  ≤3% amino nitrogen
  ≤8% non-dissolved
  ≤9% total nitrogen
loss   ≤8% loss on drying
pH   5.0-6.0 (2% in H2O)
solubility   H2O: 2% turbid, yellow

Description

Application

An extract of autolyzed yeast cells. 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


Laboratory Gloves
Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles

Articles

Microbiology Introduction

An initial aim of all microbiologists is the reproducible growth of their microbial cultures, no matter whether the microorganisms are of natural origin or have been genetically engineered by man. Re...
Keywords: Absorption, Aerobic, Anaerobic, Antibiotics, Antimicrobials, Buffers, Culture media, Diffusion, Environmental, Filtration, Genetic, Growth factors, Metabolism, Phase transitions, Precipitation, Reductions, Respiration, Sample preparations, Vitamins

Microbiology in Plant Peptones

In a time of animal diseases, like BSE, TSE or foot and mouth disease, it is important to have a good alternative possibility. 100% vegetable protein source that means no risk of BSE/TSE, no problems...

Microbiology's Basic Ingredient: Protein Sources (Peptones)

Peptones and extracts are excellent natural sources of amino acids, peptides and proteins in growth media. They are most often obtained by enzymatic digestion or acid hydrolysis of natural products, ...

Peer-Reviewed Papers
15

References

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