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Activity of different ‘killer’ yeasts on strains of yeast species undesirable in the food industry

Valentino Palpacelli, Maurizio Ciani, Gianfranco Rosini
DOI: http://dx.doi.org/10.1111/j.1574-6968.1991.tb04572.x 75-78 First published online: 1 November 1991

Summary

Killer strains of the genera Saccharomyces, Hansenula and Kluyveromyces were tested for killing activity against yeasts that cause trouble in the food inductry (in the genera Zygosaccharomyces, Kloeckera, Saccharomycodes and Schizosaccharomyces). Saccharomyces strains killed only Zygosaccharomyces rouxii strains, while non-Saccharomyces strains showed a wider anti-yeast spectrum. The Kluyveromyces phaffii killer strain was of particular interest because of its killer action against Kloeckera apiculata, Saccharomycodes ludwigii and Zygosaccharomyces rouxii.

Key words
  • Killer yeast
  • Contaminating yeast

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