Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.1/6361
Título: Effect of 1-Methylcyclopropene application prior to storage on fresh-cut kiwifruit quality
Autor: Antunes, Maria Dulce
Miguel, Maria Graça
Metelo, S.
Dandlen, S. A.
Cavaco, A. M.
Data: 2008
Editora: International Society for Horticultural Science
Resumo: Kiwifruit is commercially important as fresh-cut. The purpose of this work was to study the effect of 1-methylcyclopropene (1-MCP) applied after harvest, before storage, on the posterior behaviour of ripe fruit prepared as fresh-cut. Harvested fruit where treated with 1 mu l L(-1) 1-MCP for 20 hours at room temperature, then stored at 0 C. After 3 months, fruit were removed from storage, peeled and cut longitudinally in quarters, then stored at 2 C for 8 days. Measurements of flesh colour, firmness, soluble solids content (SSC), electrolyte leakage and ascorbic acid were performed after 0, 4 and 8 days. Kiwifruit treated with 1-MCP showed higher firmness and lower a* value, electrolyte leakage and SSC than the control, after 3 months storage. Values of a* and electrolyte leakage increased through fresh-cut storage and after 8 days differences between treatments become almost nil. SSC did not change in fruit treated with 1-MCP, while it increased after 4 days and decreased on 8(th) day in the control. Firmness decreased through fresh-cut storage, being higher in 1-MCP treated fruit than control except on 8(th) day. Ascorbic acid which was higher in control, showed a higher decrease on those fruit and after 8 days was similar in both treatments. Panellists did not find significant differences between treatments, except that 1-MCP treated fruit had better appearance. The application of 1-MCP immediately after harvest showed beneficial effects in keeping kiwifruit quality during 3 months storage, and its effect lasted through shelf-life of those fruit when used as fresh-cut.
URI: http://hdl.handle.net/10400.1/6361
ISBN: 978-90-6605-428-8
ISSN: 0567-7572
Aparece nas colecções:FCT2-Artigos (em revistas ou actas indexadas)

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