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Abstract:

The relative contribution of turgor pressure, cell wall and middle lamellae to the rheology of kiwifruit was studied by performing large deformation assays and using an empirical model proposed by our group. Results were compared with those obtained previously through dynamic testing. Initial (σo) and residual relaxation (σ∞) stresses determined under 14% constant deformation correlated significantly with complex moduli (G*) and they allowed to detect incipient plasmolysis but not to determine the individual contributions of cell wall and middle lamellae to tissue elasticity. Firmness (Fm) showed no correlation with G* because measurement of failure stress required tissue damage but it was affected by ripening allowing to determine the individual contributions of cell wall and middle lamellae to its value.

Registro:

Documento: Artículo
Título:Contribution of cellular structure to the large and small deformation rheological behavior of kiwifruit
Autor:Rojas, A.M.; Delbon, M.; Marangoni, A.G.; Gerschenson, L.N.
Filiación:Dept. de Industrias, Facultad de Ciencias Exactas y Naturales, Univ. de Buenos Aires, (1428) Buenos Aires, Argentina
Dept. of Food Science, Univ. of Guelph, Guelph, Ont. N1G2W1, Canada
CONICET, Argentina
Palabras clave:Cellular components; Dynamic test; Kiwifruit; Relaxation test; Actinidia deliciosa
Año:2002
Volumen:67
Número:6
Página de inicio:2143
Página de fin:2148
DOI: http://dx.doi.org/10.1111/j.1365-2621.2002.tb09517.x
Título revista:Journal of Food Science
Título revista abreviado:J. Food. Sci.
ISSN:00221147
CODEN:JFDSA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00221147_v67_n6_p2143_Rojas

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Citas:

---------- APA ----------
Rojas, A.M., Delbon, M., Marangoni, A.G. & Gerschenson, L.N. (2002) . Contribution of cellular structure to the large and small deformation rheological behavior of kiwifruit. Journal of Food Science, 67(6), 2143-2148.
http://dx.doi.org/10.1111/j.1365-2621.2002.tb09517.x
---------- CHICAGO ----------
Rojas, A.M., Delbon, M., Marangoni, A.G., Gerschenson, L.N. "Contribution of cellular structure to the large and small deformation rheological behavior of kiwifruit" . Journal of Food Science 67, no. 6 (2002) : 2143-2148.
http://dx.doi.org/10.1111/j.1365-2621.2002.tb09517.x
---------- MLA ----------
Rojas, A.M., Delbon, M., Marangoni, A.G., Gerschenson, L.N. "Contribution of cellular structure to the large and small deformation rheological behavior of kiwifruit" . Journal of Food Science, vol. 67, no. 6, 2002, pp. 2143-2148.
http://dx.doi.org/10.1111/j.1365-2621.2002.tb09517.x
---------- VANCOUVER ----------
Rojas, A.M., Delbon, M., Marangoni, A.G., Gerschenson, L.N. Contribution of cellular structure to the large and small deformation rheological behavior of kiwifruit. J. Food. Sci. 2002;67(6):2143-2148.
http://dx.doi.org/10.1111/j.1365-2621.2002.tb09517.x