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- Title
Physiology of yeast strains isolated from Brazilian biomes in a minimal medium using fructose as the sole carbon source reveals potential biotechnological applications.
- Authors
de Andrade Silva, Cinthia Aparecida; Oka, Marta Lígia; Fonseca, Gustavo Graciano
- Abstract
The aim of this study was to evaluate the kinetic parameters and the production of metabolites of 13 novel yeasts isolated from a distillery and fruits, and Saccharomyces cerevisiae CAT-1, cultivated in fructose-based medium. The yeasts with the highest µmax were obtained from must, Pichia kudriavzevii BB2, P. kudriavzevii BB1, and S. cerevisiae BB9 (0.47–0.49 h−1). S. cerevisiae CAT-1 (3.02 g gDCM−1 h−1), S. cerevisiae BB9 (3.01 g gDCM−1 h−1), and Candida glabrata Recol 41 (2.52 g gDCM−1 h−1) stood out in terms of µS. C. parapsilosis Recol 29, and Rhodotorula mucilaginosa Recol 03 strains showed the highest YX/S (0.30 and 0.28 gDCM g−1, respectively). C. glabrata Recol 10 and S. cerevisiae BB9 strains stood out for their higher substrate conversion rates into ethanol (0.44 and 0.41 gEth gS−1, respectively). R. mucilaginosa Recol 03 presented the poorest performance in substrate consumption (0.87 g gDCM−1 h−1), while the strains isolated from must and C. glabrata Recol 10 showed the highest ethanol production and the C. parapsilosis Recol 29 showed the highest biomass conversion.
- Subjects
YEAST physiology; PHYSIOLOGIC strain; BIOMES; MASS media use; RHODOTORULA; FRUCTOSE
- Publication
3 Biotech, 2019, Vol 9, Issue 5, pN.PAG
- ISSN
2190-572X
- Publication type
Article
- DOI
10.1007/s13205-019-1721-9