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Abstract:

The effects of combinations of reduced water activity (aw from 0.97 to 0.93), pH (3, 4, 5, and 6) and addition of potassium sorbate (0, 100, 500, and 1,000 ppm) on the growth of one strain of Saccharomyces cerevisiae in laboratory medium were studied. The minimal aw for growth inhibition in the absence of sorbate and in the range of optimal pH was 0.89. Various combinations of aw, pH and sorbate concentration prevented growth of the yeast at aw values above 0.89. For example, at v = 0.93, addition of 100 ppm sorbate at pH = 4.0 resulted in inhibition; at aw= 0.97 and same pH (4.0), 500 ppm of sorbate were necessary. The combined effects of the above parameters on generation time, maximum population, and lag time of the cells were also determined. Copyright © 1990, Wiley Blackwell. All rights reserved

Registro:

Documento: Artículo
Título:A Multi‐parameter Approach to Control the Growth of Saccharomyces cerevisiae in Laboratory Media
Autor:CERRUTTI, P.; ALZAMORA, S.M.; CHIRIFE, J.
Filiación:Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, 1428, Argentina
Año:1990
Volumen:55
Número:3
Página de inicio:837
Página de fin:840
DOI: http://dx.doi.org/10.1111/j.1365-2621.1990.tb05243.x
Título revista:Journal of Food Science
Título revista abreviado:J. Food. Sci.
ISSN:00221147
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221147_v55_n3_p837_CERRUTTI

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Citas:

---------- APA ----------
CERRUTTI, P., ALZAMORA, S.M. & CHIRIFE, J. (1990) . A Multi‐parameter Approach to Control the Growth of Saccharomyces cerevisiae in Laboratory Media. Journal of Food Science, 55(3), 837-840.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb05243.x
---------- CHICAGO ----------
CERRUTTI, P., ALZAMORA, S.M., CHIRIFE, J. "A Multi‐parameter Approach to Control the Growth of Saccharomyces cerevisiae in Laboratory Media" . Journal of Food Science 55, no. 3 (1990) : 837-840.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb05243.x
---------- MLA ----------
CERRUTTI, P., ALZAMORA, S.M., CHIRIFE, J. "A Multi‐parameter Approach to Control the Growth of Saccharomyces cerevisiae in Laboratory Media" . Journal of Food Science, vol. 55, no. 3, 1990, pp. 837-840.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb05243.x
---------- VANCOUVER ----------
CERRUTTI, P., ALZAMORA, S.M., CHIRIFE, J. A Multi‐parameter Approach to Control the Growth of Saccharomyces cerevisiae in Laboratory Media. J. Food. Sci. 1990;55(3):837-840.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb05243.x