Screening of lactic acid bacteria for reducing power using a tetrazolium salt reduction method on milk agar

J Biosci Bioeng. 2013 Feb;115(2):229-32. doi: 10.1016/j.jbiosc.2012.09.010. Epub 2012 Oct 12.

Abstract

Reducing activity is a physiological property of lactic acid bacteria (LAB) of technological importance. We developed a solid medium with tetrazolium dyes enabling weakly and strongly reducing LAB to be discriminated. It was used to quantify populations in a mixed culture (spreading method) and screen strains (spot method).

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Agar / chemistry
  • Agar / metabolism*
  • Animals
  • Culture Media / chemistry
  • Culture Media / metabolism
  • Lactic Acid / metabolism*
  • Lactobacillaceae / classification
  • Lactobacillaceae / growth & development
  • Lactobacillaceae / isolation & purification*
  • Lactobacillaceae / metabolism*
  • Milk / metabolism*
  • Milk / microbiology*
  • Oxidation-Reduction
  • Tetrazolium Salts / chemistry

Substances

  • Culture Media
  • Tetrazolium Salts
  • Lactic Acid
  • Agar