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Abstract:

This work investigates sensor contamination of an electric hygrometer by organic volatiles during water activity (aw) measurement in foods and volatile‐containing model systems. Various aromatic and flavor chemicals in aqueous solutions, at a concentration of O.1‐0.5%, may contaminate the sensor leading to erroneous results in aw measurement. Various condiments and seasonings also contain volatile compounds which produced a significant effect on sensor performance. Some glycols were also found to contaminate the sensor during aw measurement. Copyright © 1984, Wiley Blackwell. All rights reserved

Registro:

Documento: Artículo
Título:Sensor Contamination with Organic Volatiles During Water Activity Measurements with an Electric Hygrometer
Autor:FAVETTO, G.; RESNIK, S.L.; CHIRIFE, J.
Filiación:Departamento de Industrias, Facultad de Ciencias Exactas Y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, Buenos Aires, 1428, Argentina
Consejo Nacional de Investigaciones Científicas Y Técnicas de la República Argentina, Argentina
Comisión de Investigaciones Científicas de la Provincia de Buenos Aires, Argentina
Año:1984
Volumen:49
Número:2
Página de inicio:514
Página de fin:515
DOI: http://dx.doi.org/10.1111/j.1365-2621.1984.tb12455.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_v49_n2_p514_FAVETTO

Referencias:

  • Favetto, G., Resnik, S., Chirife, J., Ferro Fontán, C., Statistical evaluation of water activity measurements obtained with the Vaisala Humicap humidity meter (1983) Journal of Food Science, 48 (2), p. 534
  • Labuza, T.P., Acott, K., Tatini, S.R., Lee, R.Y., Flink, J.M., Mc Call, W., Water activity determination: a collaborative study of different methods (1976) J. Food Sci., 41, p. 910
  • Prior, B.A., Measurement of water activity in foods: A review (1979) J. Food Protection, 42, p. 668
  • Troller, J.A., Statistical analysis of aw measurements obtained with the Sina Scope (1977) Journal of Food Science, 42, p. 86
  • Troller, J.A., Christian, J.H.B., (1978) Water Activity and Food, , Academic Press, New York
  • Vos, P.T., Labuza, T.P., Technique for measurement of water activity in the high aw range (1974) J. Agric. Food Chem., 22, p. 326

Citas:

---------- APA ----------
FAVETTO, G., RESNIK, S.L. & CHIRIFE, J. (1984) . Sensor Contamination with Organic Volatiles During Water Activity Measurements with an Electric Hygrometer. Journal of Food Science, 49(2), 514-515.
http://dx.doi.org/10.1111/j.1365-2621.1984.tb12455.x
---------- CHICAGO ----------
FAVETTO, G., RESNIK, S.L., CHIRIFE, J. "Sensor Contamination with Organic Volatiles During Water Activity Measurements with an Electric Hygrometer" . Journal of Food Science 49, no. 2 (1984) : 514-515.
http://dx.doi.org/10.1111/j.1365-2621.1984.tb12455.x
---------- MLA ----------
FAVETTO, G., RESNIK, S.L., CHIRIFE, J. "Sensor Contamination with Organic Volatiles During Water Activity Measurements with an Electric Hygrometer" . Journal of Food Science, vol. 49, no. 2, 1984, pp. 514-515.
http://dx.doi.org/10.1111/j.1365-2621.1984.tb12455.x
---------- VANCOUVER ----------
FAVETTO, G., RESNIK, S.L., CHIRIFE, J. Sensor Contamination with Organic Volatiles During Water Activity Measurements with an Electric Hygrometer. J. Food. Sci. 1984;49(2):514-515.
http://dx.doi.org/10.1111/j.1365-2621.1984.tb12455.x