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Abstract:

Water vapour desorption isotherms of whole kernel maize were determined at 40, 50 and 60°C, and those of dehulled kernels and hulls at 50 and 60°C. It was found that while whole and dehulled kernels show similar equilibrium moisture contents, the hull gives lower values. Equilibrium data were modelled with two‐parameter equations. It was found that the Henderson equation is best for describing the equilibrium data for whole kernels, while the Halsey equation was more appropriate for hulls. A simple semi‐theoretical equation was used to model the effect of temperature on the equilibrium values of whole maize kernels for the three temperatures investigated. BET heats of desorption and the isosteric heat curves were calculated for whole kernels and hull. It was found that the BET heat values correlate quite well with the isosteric heat values at the monolayer moisture content. Copyright © 1990, Wiley Blackwell. All rights reserved

Registro:

Documento: Artículo
Título:Desorption isotherms of shelled maize: whole, dehulled and hulls
Autor:TOLABA, M.P.; SUAREZ, C.
Filiación:Ciudad Universitaria, Buenos Aires, Argentina
Palabras clave:BET equation; isosteric heat of desorption; sorption thermodynamics
Año:1990
Volumen:25
Número:4
Página de inicio:435
Página de fin:441
DOI: http://dx.doi.org/10.1111/j.1365-2621.1990.tb01100.x
Título revista:International Journal of Food Science & Technology
Título revista abreviado:Int. J. Food Sci. Technol.
ISSN:09505423
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09505423_v25_n4_p435_TOLABA

Referencias:

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Citas:

---------- APA ----------
TOLABA, M.P. & SUAREZ, C. (1990) . Desorption isotherms of shelled maize: whole, dehulled and hulls. International Journal of Food Science & Technology, 25(4), 435-441.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb01100.x
---------- CHICAGO ----------
TOLABA, M.P., SUAREZ, C. "Desorption isotherms of shelled maize: whole, dehulled and hulls" . International Journal of Food Science & Technology 25, no. 4 (1990) : 435-441.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb01100.x
---------- MLA ----------
TOLABA, M.P., SUAREZ, C. "Desorption isotherms of shelled maize: whole, dehulled and hulls" . International Journal of Food Science & Technology, vol. 25, no. 4, 1990, pp. 435-441.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb01100.x
---------- VANCOUVER ----------
TOLABA, M.P., SUAREZ, C. Desorption isotherms of shelled maize: whole, dehulled and hulls. Int. J. Food Sci. Technol. 1990;25(4):435-441.
http://dx.doi.org/10.1111/j.1365-2621.1990.tb01100.x