Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/6971
Título: Microstructural changes of 'rocha' pear following storage under controlled atmosphere
Autor: Fonseca, S. C.
Malcata, F. X.
Galvis-Sánchez, A. C.
Palavras-chave: Pyrus communis
Scanning electron microscopy
Image analysis
Data: 2008
Editora: International Society for Horticultural Science
Citação: FONSECA, S. C. ; MALCATA, F. X. ; GALVIS-SÁNCHEZ, A. C. - Microstructural changes of 'rocha' pear following storage under controlled atmosphere. In International Pear Symposium, 10, Peniche, Portugal, 22-26 May, 2007. In Proceedings of the 10th International Pear Symposium. ISHS Acta Horticulturae. ISSN 0567-7572. N.º 800 (2008). Vol. 2. p. 985-991
Resumo: This research effort was aimed at evaluating the influence of storage (for 4 mo at 2°C), under various controlled atmospheres (viz. 1.9 kPa O2 + 4.9 kPa CO2, 1.9 kPa O2 + 0.5 kPa CO2 and 1.9 kPa O2 + 0 kPa CO2), on the microstructure of ′Rocha′ pear. Toward this goal, the morphology of cellular disassembly, as well as the quantity of granules and intercellular space using scanning electron microscopy (SEM), were tentatively correlated with sensory and instrumental firmness, by 1, 6 and 8 d of exposure to air, at room temperature, after storage. A specific methodology, based on panel evaluation of SEM images, was developed and statistically validated. The degree of cellular disassembly increased throughout exposure time to air at room temperature. Pears stored under 1.9 kPa O2 + 0.5 kPa CO2 yielded a degree of cellular disassembly similar to that of the control.
Peer review: no
URI: http://hdl.handle.net/10400.14/6971
Aparece nas colecções:ESB - Artigos em Actas / Papers in proceedings

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