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Number of results
2015 | 17 | 3 | 110-117

Article title

Experimental analysis of an effect of the nutrient type and its concentration on the rheological properties of the baker’s yeast suspensions

Content

Title variants

Languages of publication

EN

Abstracts

EN
The aim of the study presented was to experimentally analyze an effect of the nutrient type and its concentration on the variability of rheological properties of the baker’s yeast suspensions for different time periods. Aqueous suspensions of the baker’s yeast of various concentration (solution I, without nutrient) and yeasts suspended in aqueous solution of sucrose or honey as nutrients with different concentration (solution II or solution III) were tested. Experiments were carried out using rotational rheoviscometer of type RT10 by a company HAAKE. The measurements were conducted for different time periods (from 1 h up to 144 h) at given fluid temperature. On the basis of the obtained data, rheological characteristics of the aqueous solution of baker’s yeast suspensions without and with nutrients of different sucrose or honey concentration were identified and mathematically described.

Publisher

Year

Volume

17

Issue

3

Pages

110-117

Physical description

Dates

published
1 - 9 - 2015
online
19 - 9 - 2015

Contributors

  • West Pomeranian University of Technology, Szczecin, Department of Chemical Engineering, al. Piastów 42, PL–71 065 Szczecin, Poland
  • West Pomeranian University of Technology, Szczecin, Department of Chemical Engineering, al. Piastów 42, PL–71 065 Szczecin, Poland
author
  • West Pomeranian University of Technology, Szczecin, Department of Chemical Engineering, al. Piastów 42, PL–71 065 Szczecin, Poland

References

  • 1. Sato, A.C.K., Perrechil, F.A. & Cunha, R.L. (2013). Rheological behaviour of suspensions dispersed in non-Newtonian matrix. Appl. Rheol. 23, 4, 45397 (10 pages). DOI: 10.3933/ApplRheol-23-45397.[WoS]
  • 2. Pereira de Oliveira, L.A., Castro Gomes, J.P. & Nepomuceno, M.C.S. (2013). The influence of wastes materials on the rheology of rendering mortars. Appl. Rheol. 23, 1, 15505 (11 pages). DOI: 10.3933/ApplRheol-23-15505.[WoS][Crossref]
  • 3. Klein, J., Maia, J., Vicente, A. A., Domingues, L., Teixeira, A.J. & Jurascik, M. (2005). Relationships Between Hydrodynamics and Rheology of Flocculating Yeast Suspensions in a High-Cell-Density Airlift Bioreactor. Biotech. Bioeng. 89, 393–399. DOI: 10.1002/bit.20335.[Crossref]
  • 4. Yu, L., Wang, H., Wang, L. & Bai, F.W. (2010). Rheological property of self-flocculating yeast suspension. Biochem. Eng. J. 52, 50–54. DOI: 10.1016/j.bej.2010.07.003.[WoS][Crossref]
  • 5. Charles, M. (1978). Technical aspects of the rheological properties of microbial cultures. Adv. Biochem. Eng./Biotech. 8, 1–62. DOI:10.1007/3-540-08557-2_1.[Crossref]
  • 6. Reuss, M., Josić, D., Popović, M. & Bronn, W.K. (1979). Viscosity of Yeast Suspensions. Eur. J. Appl. Microbiol. Biotechnol. 8, 167–175. DOI: 10.1007/BF00506180.[Crossref]
  • 7. EI-Temtamy, S., Farahat, L., Nour el-din, A. & Gaber A. (1982). Non-Newtonian Behaviour of Yeast Suspensions. Eur. J. Appl. Microbiol. Biotechnol. 15, 156–160. DOI: 10.1007/BF00511240.[Crossref]
  • 8. Speers, R.A., Durance, T.D., Tung, M.A. & Tou, J. (1993). Colloidal Properties of Flocculent and Nonflocculent Brewing Yeast Suspensions. Biotechnol. Prog. 9, 267–272. DOI: 10.1021/bp00021a005.[Crossref]
  • 9. Mancini, M. & Moresi, M. (2000). Rheological behaviour of baker’s yeast suspensions. J. Food Eng. 44, 225–231. DOI: 10.1016/S0260-8774(00)00030-3.[Crossref]
  • 10. Ferguson, J. & Kembłowski, Z. (1991). Appl. Fluid Rheol3. Cambridge, Elsevier Science Publishers Ltd.
  • 11. Perry’s Chemical Engineer’ Handbook. (1984). McGraw – Hill.

Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_1515_pjct-2015-0058
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