Probiotic Yeast and How to Use Them—Combining Traditions and New Waves in Fermented Beverages

Potentially probiotic yeasts isolated from foodstuffs can be used as components in func- tional fermented beverages. To date, there have been no reports on the use of Saccharomyces cerevisiae var. boulardii, Pichia kudriavzevii, Metschnikowia pulcherrima, or Hanseniaspora uvarum isolates in the production of a traditional Polish beverage called underbeer (pod- piwek). The aim of the study was to determine the usefulness of six isolates of the above- mentioned species as starter cultures for...