Acid whey as a medium for cultivation of conventional and non-conventional yeasts

• Autorzy: Dudkiewicz M. , Berłowska J. , Kręgiel D.
• Języki publikacji: EN

Abstrakty

EN

The aim of this study was to investigate the capacity of different yeast strains to grow on acid whey and assimilate different carbon sources. Twenty different yeasts (with GRAS status) were tested, sourced from the LOCK105 Culture Collection (Poland) and the National Collection of Yeast Cultures (Great Britain). The acid whey, from cows was characterized in terms of it main chemical components (carbohydrates, organic acids, aminoacids, FAN, total nitrogen) using HPLC techniques and chemical methods. The best producer of biomass (of conventional yeast strains) was S. cerevisiae Ja64 (biomass yield 1.16 g of dry mass/l), while among non-conventional yeasts the highest increase of biomass showed the strain D. hansenii, reaching the biomass yield of 1.12 g of dry mass/l.

Słowa kluczowe

EN

acid whey; yeasts; growth; assimilation

PL

serwatka kwaśna; drożdże; wzrost; asymilacja

• Wydawca: Wydawnictwo Politechniki Łódzkiej
• Czasopismo: Biotechnology and Food Science
• Rocznik: 2016
• Tom: Vol. 80, nr 2
• Strony: 75--82
• Opis fizyczny: Bibliogr. 19 poz., wykr.

Twórcy

autor

Dudkiewicz M.

• Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland

autor

Berłowska J.

• Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland

autor

Kręgiel D.

• Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland

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