Alternative Methods for Shelf Life Extension of Unfi ltered Beers from Microbreweries

Authors

  • Vojtěch Hanko Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic
  • Aleš Potěšil Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic
  • Václav Potěšil Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic
  • Jakub Nešpor Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic
  • Marcel Karabín Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic
  • Lukáš Jelínek Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic
  • Pavel Dostálek Department of Biotechnology, University of Chemistry and Technology, Prague, Technická 5, Praha 6, 166 28, Czech Republic

DOI:

https://doi.org/10.18832/kp201729

Keywords:

unfiltered beer, microbial stability, high hydrostatic pressure, pulsed electric fields

Abstract

At present, a broad range of unfi ltered beers is produced mainly by microbreweries. So far, however, no suitable method exists for ensuring extended shelf life at the industrial scale without damaging the taste. The most widespread method – pasteurization also kills brewery yeasts and, has a thermal impact on beer. This review describes the premises for ensuring effective microbial stabilization that depends particularly on proper sanitization practices. Alternative methods – the high hydrostatic in addition, processing and the pulsed electric fi elds processing have a minimal effect on the beer quality. These techniques were already tested under laboratory conditions and have potential for use at the industrial scale. This article describes these methods in detail.

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Published

2017-12-14

How to Cite

Hanko, V., Potěšil, A., Potěšil, V., Nešpor, J., Karabín, M., Jelínek, L., & Dostálek, P. (2017). Alternative Methods for Shelf Life Extension of Unfi ltered Beers from Microbreweries. KVASNY PRUMYSL, 63(6), 298–306. https://doi.org/10.18832/kp201729
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