Optimised acidification power test of yeast vitality and its use in brewing practice

Journal of the Institute of Brewing

Volumn 114, Issue 3, 2008, Pages 270-276

  Gabriel, P ^a   Dienstbier, M ^a   Matoulkova D ^b   Kosar K ^b   Sigler, K ^c  

^a CHARLES UNIVERSITY   (Czech Republic)

^b Research Institute of Brewing and Malting   (Czech Republic)

^c INSTITUTE OF MICROBIOLOGY   (Czech Republic)

Author keywords

Acidification power; Brewery practice; Optimised AP test; Wort attenuation; Yeast cropping; Yeast quality

Indexed keywords

SACCHAROMYCES CEREVISIAE;

EID: 56349108112     PISSN: 00469750     EISSN: None     Source Type: Journal    
DOI: 10.1002/j.2050-0416.2008.tb00338.x     Document Type: Article

References (16)

1. Conway, E. J. and Downey, M., pH values of the yeast cell. Biochem. J., 1950, 47, 355-360.
2. Cunningham, S. and Stewart, G. G., Effects of high-gravity brewing and acid washing on brewer's yeast. J. Am. Soc. Brew. Chem., 1998, 56(1), 12-18.
3. Gatto, E., Peddie, F. and Andrews, S., Acidification power: performance evaluation of freeze-dried lactic acid bacteria. Food Australia, 1993, 45(3), 124-128.
4. Kara, B. V., Simpson, W. M. and Hammond, R. M., Prediction of the fermentation performance of brewing yeast with the acidification power test. J. Inst. Brew., 1988, 94, 153-158.
5. Košin, P., Šavel, J., Kolouchová, I. and Brož, A., Yeast viability and vitality in brewery fermentation (In Czech). Kvasný prům., 2007, 53(2), 30-34.
6. Malfeito-Ferreira, M., Guerra, J. P. M. and Loureiro, V., Proton extrusion as indicator of the adaptive state of yeast starters for the continuous production of sparkling wines. Am. J. Enol. Viticult., 1990, 41(3), 219-222.
7. Mathieu, C., Van den Bergh, L. and Iserentant, D., Prediction, of yeast fermentation performance using the acidification power test. Proceedings of the European Brewery Convention Congress, Lisbon, IRL Press: Oxford, 1991, pp. 273-280.
8. Opekarová, M. and Sigler, K., Acidification power: Indicator of metabolic activity and autolytic changes in Saccharomyces cerevisiae. Folla Microbiol., 1982, 27, 395-403.
9. Rechinger, K. B. and Siegumfeldt, H., Rapid assessment of cell viability of Lactobacillus delbrueckii subsp. bulgaricus by measurement of intracellular pH in individual cells using fluorescence ratio imaging microscopy. Int. J. Food. Microbiol., 2002, 75, 53-60.
10. Riis, S. B., Pedersen, H. M., Sorensen, N. K. and Jakobsen, M., Flow cytometry and acidification power test as rapid techniques for determination of the activity of starter cultures of Lactobacillus delbrueckii ssp. bulgaricus. Food Microbiol., 1995, 12, 245-250.
11. Semjonovs, P., Marauska, M., Linde, R., Grube, M., Zikmanis, P. and Bekers, M., Development of Bifidobacterium lactis Bb 12 on beta-(2,6)-linked fructan-containing substrate. Engn. in Life Sci., 2004, 4(5), 433-437.
12. Sigler, K. and Höfer, M., Mechanisms of acid extrusion in yeast. Biochim. Biophys. Acta, 1991, 1071, 375-391.
13. Sigler, K., Knotková, A. and Kotyk, A., Factors governing substrate-induced generation and extrusion of protons in the yeast Saccharomyces cerevisiae. Biochim. Biophys. Acta, 1981, 643, 572-582.
14. Sigler, K., Kotyk, A., Knotková, A. and Opekarová, M., Processes involved in the creation of buffering capacity and in substrate-induced proton extrusion in the yeast Saccharomyces cerevisiae. Biochim. Biophys. Acta 1981, 643, 583-592.
15. Sigler, K., Mikyška, A., Kosař, K., Gabriel, P. and Dienstbier, M., Factors affecting the outcome of the acidification power test as a measure of yeast quality: critical reassessment. Folia Microbiol., 2006, 51(6), 525-534.
16. Vincent, S. F., Bell, P. J. L., Bissinger, P. and Nevalainen, K. M.-H., Comparison of melibiose utilizing baker's yeast strains produced by genetic engineering and classical breeding. Lett. Appl. Microbiol., 1999, 28, 148-152.