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. 1989 Mar;55(3):751–753. doi: 10.1128/aem.55.3.751-753.1989

Medium for Screening Leuconostoc oenos Strains Defective in Malolactic Fermentation

J F Cavin 1, H Prevost 1, J Lin 1, P Schmitt 1, C Divies 1,*
PMCID: PMC184191  PMID: 16347882

Abstract

A new sensitive medium was developed to screen and isolate mutagenic Leuconostoc oenos strains defective in malolactic fermentation. The essential components of the medium included fructose (22 mM), l-malic acid (74.6 mM), bromocresol green (as pH indicator), and cellulose powder. The wild-type colonies turned blue, but defective malolactic colonies gave an acid reaction and remained yellow-green.

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Selected References

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