Kinetics and metabolic behavior of a composite culture of Kloeckera apiculata and Saccharomyces cerevisiae wine related strains

  • Mendoza L
  • De Nadra M
  • Farías M
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Abstract

The kinetics and metabolic behavior of Kloeckera apiculata mc1 and Saccharomyces cerevisiae mc2 in composite culture was investigated. K. apiculata showed a higher viability through the fermentation; however the maximum cell density of both yeasts decreased. This behavior was not due to ethanol concentration, killer toxins production or competition for assimilable nitrogenous compounds between both yeasts. Despite the consistent production of secondary products by single culture of K. apiculata, an increase of these compounds was not observed in mixed culture. These results contribute to a better understanding of the behavior of non-Saccharomyces yeasts and their potential application in the wine industry.

Author-supplied keywords

  • Mixed culture
  • Non-Saccharomyces yeast
  • Wine

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Authors

  • Lucía M. Mendoza

  • María C.Manca De Nadra

  • Marta E. Farías

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