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39734 Sigma-Aldrich

Membrane Lactose Glucuronide Agar

for microbiology

Synonym: MLGA, m-Lauryl Sulfate Chromogen Agar



Related Categories A - M, All Solid Media/Agars, Chromogenic Media, Enterobacter, Enterovirulent E. coli,
grade   for microbiology
shelf life   limited shelf life, expiry date on the label
composition   agar, 10 g/L
  X-glucuronide (BCIG), 0.2 g/L
  lactose, 30 g/L
  peptone, 40 g/L
  phenol red, 0.2 g/L
  sodium lauryl sulfate, 1.0 g/L
  sodium pyruvate, 0.5 g/L
  yeast extract, 6 g/L
final pH   7.4±0.2 (25 °C)
suitability   selective and differential for Enterobacter
  selective and differential for Enterovirulent E. coli
  selective and differential for Escherichia coli and Coliforms
  selective and differential for Klebsiella



A chromogenic medium for the differentiation and enumeration of Escherichia coli and other coliforms, which simplifies the membrane filtration technique by reducing the number of filtration stages and the need for further confirmation steps. This medium is described in the Environment Agency′s report of UK, ′Methods for Examination of Waters and Associated Material - The Microbiology of Drinking Water (2002) - Part 4 - Methods for the isolation and enumeration of coliform bacteria and Escherichia coli (including E. coli O157:H7).

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Price and Availability

Safety & Documentation

Safety Information

GHS07  GHS07
Signal word 
Hazard statements 
Precautionary statements 
WGK Germany 
Protocols & Articles


Overview of Chromogenic Media

The use of traditional versus improved media formulation containing chromogenic substrate is currently an important topic in the field of microbiology. The focus behind such developments was to produ...
Jvo SiegristProduct Manager
AnalytiX Issue 3
Keywords: Culture media, Diffusion, Electron capture detector, Fermentation, Filtration, Metabolites, Microbiology

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