Abstract:
Chirife, J., Favetto, G. & Ferro Fontán, c. 1984. Microbial growth at reduced water activities: some physicochemical properties of compatible solutes. Journal of Applied Bacteriology56, 259–268. The water activities (aw) of solutions of D‐arabitol (a major compatible solute in yeasts grown at reduced aw) and also of related polyols (L‐arabitol, xylitol and ribitol) were determined at 25d̀C. The aw of saturated solutions of L‐proline and monopotassium L‐glutamate (solutes which accumulate in bacterial cells at reduced aw) were also determined. The viscosities of L‐proline, monopotassium L‐glutamate and D‐arabitol solutions were measured at 25, 30, 35 and 40d̀C for various concentrations up to high molalities. The relative viscosity curves were described using a theoretical model for the concentration dependence of viscosity. No relationship of viscosity of the electrolytes to effectiveness as ‘compatible solutes’ were evident, neither were the compatible solutes particularly effective ‘structure makers’ or ‘structure breakers.’ Copyright © 1984, Wiley Blackwell. All rights reserved
Registro:
Documento: |
Artículo
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Título: | Microbial growth at reduced water activities: some physicochemical properties of compatible solutes |
Autor: | Chirife, J.; Favetto, G.; Fontan, C.F. |
Filiación: | Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Unhersidad de Buenos Aires, Buenos Aires, 1428, Argentina Departamento de Física, Facultad de Ciencias Exactas y Naturales, Unhersidad de Buenos Aires, Buenos Aires, 1428, Argentina
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Palabras clave: | arabinitol; proline; ribitol; xylitol; growth; microorganism; nonhuman; osmotic pressure; viscosity; Bacteria; Fungi; Glutamates; Proline; Sucrose; Sugar Alcohols; Support, Non-U.S. Gov't; Thermodynamics; Viscosity; Water; Water-Electrolyte Balance |
Año: | 1984
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Volumen: | 56
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Número: | 2
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Página de inicio: | 259
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Página de fin: | 268
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DOI: |
http://dx.doi.org/10.1111/j.1365-2672.1984.tb01346.x |
Título revista: | Journal of Applied Bacteriology
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Título revista abreviado: | J. Appl. Bacteriol.
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ISSN: | 00218847
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CAS: | arabinitol, 2152-56-9; proline, 147-85-3, 7005-20-1; ribitol, 488-81-3; xylitol, 87-99-0; arabitol, 2152-56-9; Glutamates; Proline, 147-85-3; Sucrose, 57-50-1; Sugar Alcohols; Water, 7732-18-5
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00218847_v56_n2_p259_Chirife |
Referencias:
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Citas:
---------- APA ----------
Chirife, J., Favetto, G. & Fontan, C.F.
(1984)
. Microbial growth at reduced water activities: some physicochemical properties of compatible solutes. Journal of Applied Bacteriology, 56(2), 259-268.
http://dx.doi.org/10.1111/j.1365-2672.1984.tb01346.x---------- CHICAGO ----------
Chirife, J., Favetto, G., Fontan, C.F.
"Microbial growth at reduced water activities: some physicochemical properties of compatible solutes"
. Journal of Applied Bacteriology 56, no. 2
(1984) : 259-268.
http://dx.doi.org/10.1111/j.1365-2672.1984.tb01346.x---------- MLA ----------
Chirife, J., Favetto, G., Fontan, C.F.
"Microbial growth at reduced water activities: some physicochemical properties of compatible solutes"
. Journal of Applied Bacteriology, vol. 56, no. 2, 1984, pp. 259-268.
http://dx.doi.org/10.1111/j.1365-2672.1984.tb01346.x---------- VANCOUVER ----------
Chirife, J., Favetto, G., Fontan, C.F. Microbial growth at reduced water activities: some physicochemical properties of compatible solutes. J. Appl. Bacteriol. 1984;56(2):259-268.
http://dx.doi.org/10.1111/j.1365-2672.1984.tb01346.x