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BASIC RESEARCH JOURNALS OF AGRICULTURAL SCIENCE AND REVIEW ISSN 2315-6880
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Basic Research Journal of Agricultural Science and Review ISSN 2315-6880 Vol. 5(9), pp. 118-122 December 2016 Copyright© 2015 Basic Research Journals

International Scientific Indexing (Impact Factor (0.401))

InfoBase IF (2.9)

 

 

Full Length Research Paper
 

Quality and shelf life of oranges within polystyrene containers in refrigerated chamber

 

Yeriko Belkys Obregón-Burgueño1, Alejandro Manelik Garcia-Lopez2, Glenn C. Wright4, Leopoldo Partida-Ruvalcaba2*, Felipe Ayala-Tafoya1, Tomás Díaz-Valdés1, Teresa de Jesús Velázquez-Alcaraz1

 

1Facultad de Agronomía de la Universidad Autónoma de Sinaloa, km 17.5 de la carretera Culiacán-Eldorado, C.P. 80000, Apartado Postal 726, Culiacán, Sinaloa, México.

2Universidad Tecnológica de Culiacán, carretera Culiacán-Imala km 2, col. Los Ángeles, C.P. 80014, en la Ciudad Educadora Sustentable y del Saber, Culiacán Rosales, Sinaloa, México.

3Instituto de Ciencias Agrícolas de la Universidad Autónoma de Baja California Blvd. Benito Juárez, Mexicali, Baja California, México C.P. 21280.

4University of Arizona-Yuma Agriculture Center, 6425 W 8th Street Yuma, AZ 85364.

 

*Corresponding author email: parpolo@yahoo.com.mx

 

Received 06 December, 2016; Accepted 14 December, 2016, Published 22 December, 2016

 

Abstract

 

The objective of this research was to determine the shelf life of ‘Valencia’ sweet oranges (Citrus sinensis (L.) Osbeck) stored in sealed polystyrene containers, within a refrigerated chamber with temperature 3 to 9 °C, high relative humidity (85%) and frequent air exchange by chamber compressor. Oranges were harvested directly from the orchard and washed with water with 150 mg L-1 sodium hypochlorite. We measured  the color of the flavedo (peel) and the endocarp (pulp), polar and equatorial diameter, firmness of the pulp and total soluble solids concentration (°Brix) in the endocarp. The tone and purity of the yellow color of the flavedo and endocarp of the oranges increased significantly within the polystyrene containers. Within the containers, fruit quality was preserved and shelf life was extended for more than 100 days without symptoms of deterioration, reduction of polar and equatorial diameter or decrease in total soluble solids. Inside the polystyrene closed containers, the temperature was 2.0 °C less than in the refrigerated chamber. Thus the polystyrene provided thermal insulation and was useful for storing fruits while reducing the incidence of postharvest disease, prolonging its shelf life and enhancing its appearance.

 

Keywords: Variety ‘Valencia’, Postharvest, Quality, Color, Firmness, Soluble Solids.

 

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