Medium for Screening Leuconostoc oenos Strains Defective in Malolactic Fermentation |
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| Authors: | Cavin J F Prevost H Lin J Schmitt P Divies C |
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| Institution: | ENS.BANA, Laboratoire de Microbiologie, Université de Bourgogne, Campus Universitaire Montmuzard, 21000 Dijon, France. |
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| 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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