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Abstract:

Main structural (micro, ultra, and nano) alterations occurred in the outer tangential epidermal cell wall of Vitis labrusca L. fruits (grape berry) due to hydrogen peroxide, UV-C irradiation and ultrasound treatments were examined, and described using light microscopy, scanning electron microscopy, transmission electron microscopy and atomic force microscopy. Changes in mechanical properties and surface color were also evaluated. In general, decontamination treatments caused epicuticular wax pattern alteration, epicarp disruptions, cell plasmolysis, and mesocarp collapse. Major observed ultrastructural and nanostructural changes were increased demarcation between cellulose layer and cuticular membrane, alteration of cellulose aggregates pattern, and presence of nanofractures, variables in shape and size. All treatments, mainly ultrasound, provoked significant but small differences in color parameters compared to untreated fruit. On contrast, mechanical properties determined by puncture test did not vary. © 2011 Elsevier Ltd.

Registro:

Documento: Artículo
Título:Structure (micro, ultra, nano), color and mechanical properties of Vitis labrusca L. (grape berry) fruits treated by hydrogen peroxide, UV-C irradiation and ultrasound
Autor:Fava, J.; Hodara, K.; Nieto, A.; Guerrero, S.; Alzamora, S.M.; Castro, M.A.
Filiación:Anatomía Vegetal Aplicada, Departamento de Biodiversidad y Biología Experimental, Universidad de Buenos Aires, Ciudad Universitaria, 1428 C.A.B.A., Argentina
Departamento de Industrias, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria, 1428 C.A.B.A., Argentina
Departamento de Métodos Cuantitativos y Sistemas de Información, Facultad de Agronomía, Universidad de Buenos Aires, Av. San Martín 4453, C1417DSE C.A.BA., Argentina
Consejo National de Investigaciones, Científicas y Técnicas de la República Argentina, Argentina
Palabras clave:Color; Grape berry; Hydrogen peroxide; Mechanical properties; Structure; Ultrasound; UV-C; Cellulose layers; Color parameter; Cuticular membranes; Epicuticular waxes; Epidermal cells; Grape berry; Nanostructural; Plasmolysis; Scanning electrons; Shape and size; Surface colors; Ultrasound treatments; UV-C; Atomic force microscopy; Biomechanics; Cellulose; Color; Fruits; Hydrogen; Hydrogen peroxide; Irradiation; Oxidation; Scanning electron microscopy; Transmission electron microscopy; Ultrasonics; Mechanical properties; Vitaceae; Vitis labrusca
Año:2011
Volumen:44
Número:9
Página de inicio:2938
Página de fin:2948
DOI: http://dx.doi.org/10.1016/j.foodres.2011.06.053
Título revista:Food Research International
Título revista abreviado:Food Res. Int.
ISSN:09639969
CODEN:FORIE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09639969_v44_n9_p2938_Fava

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Citas:

---------- APA ----------
Fava, J., Hodara, K., Nieto, A., Guerrero, S., Alzamora, S.M. & Castro, M.A. (2011) . Structure (micro, ultra, nano), color and mechanical properties of Vitis labrusca L. (grape berry) fruits treated by hydrogen peroxide, UV-C irradiation and ultrasound. Food Research International, 44(9), 2938-2948.
http://dx.doi.org/10.1016/j.foodres.2011.06.053
---------- CHICAGO ----------
Fava, J., Hodara, K., Nieto, A., Guerrero, S., Alzamora, S.M., Castro, M.A. "Structure (micro, ultra, nano), color and mechanical properties of Vitis labrusca L. (grape berry) fruits treated by hydrogen peroxide, UV-C irradiation and ultrasound" . Food Research International 44, no. 9 (2011) : 2938-2948.
http://dx.doi.org/10.1016/j.foodres.2011.06.053
---------- MLA ----------
Fava, J., Hodara, K., Nieto, A., Guerrero, S., Alzamora, S.M., Castro, M.A. "Structure (micro, ultra, nano), color and mechanical properties of Vitis labrusca L. (grape berry) fruits treated by hydrogen peroxide, UV-C irradiation and ultrasound" . Food Research International, vol. 44, no. 9, 2011, pp. 2938-2948.
http://dx.doi.org/10.1016/j.foodres.2011.06.053
---------- VANCOUVER ----------
Fava, J., Hodara, K., Nieto, A., Guerrero, S., Alzamora, S.M., Castro, M.A. Structure (micro, ultra, nano), color and mechanical properties of Vitis labrusca L. (grape berry) fruits treated by hydrogen peroxide, UV-C irradiation and ultrasound. Food Res. Int. 2011;44(9):2938-2948.
http://dx.doi.org/10.1016/j.foodres.2011.06.053