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Influence of film wrapping on quality maintenance of "Salustiana" oranges held in shelf-life conditions

D'Aquino, Salvatore and Molinu, Maria Giovanna and Piga, Antonio <1965- > and Agabbio, Mario Carlo Salvatore (2001) Influence of film wrapping on quality maintenance of "Salustiana" oranges held in shelf-life conditions. Italian Journal of Food Science, Vol. 13 (1), p. 87-100. ISSN 1120-1770. Article.

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Abstract

"Salustiana" oranges were dipped in a 500 mg/L imazalil emulsion and wrapped in polystyrene trays using three different plastic films: Omni, MR and MY, with high, medium and low permeability to gases and water vapour, respectively. Fruits were then stored at ambient temperature (18°-20°C) and relative humidity (60-65%) for 6 weeks. MY film created in-package anaerobic conditions (about 10% CO2 and 8% 02, increased the rate of deterioration of internal quality parameters and promoted pathogen development, even in fruits treated with imazalil (28% decayed fruits after 6 weeks). Omni film did not alter the nutritional composition, but had little influence in reducing the transpiration rate as fruits at the end of storage lost about 14% weight, compared to 18% for non-wrapped fruits and 2% for those wrapped with the other two films. Very positive results were obtained with the imazalil-MR film combination, which let the fruits maintain their initial chemical and aesthetical characteristics during the entire storage time and limited loss due to decay to about 1%.

Item Type:Article
ID Code:1650
Status:Published
Refereed:Yes
Uncontrolled Keywords:Decay, oranges, plastic film, quality, storage, transpiration
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/15 Scienze e tecnologie alimentari
Divisions:002 Altri enti e centri di ricerca del Nord Sardegna > CNR-Consiglio Nazionale delle Ricerche > Istituto di scienze delle produzioni alimentari, Sassari
001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:Chiriotti Editori
ISSN:1120-1770
Publisher Policy:Depositato per gentile concessione dell'Editore
Deposited On:18 Aug 2009 10:05

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