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Artículo

Continuous white-blue LED light exposition delays postharvest senescence of broccoli

Hasperué, Héctor JoaquínIcon ; Guardianelli, Luciano MartinIcon ; Rodoni, Luis MariaIcon ; Chaves, Alicia RaquelIcon ; Martinez, Gustavo AdolfoIcon
Fecha de publicación: 01/2016
Editorial: Elsevier Science
Revista: LWT - Food Science and Technology
ISSN: 0023-6438
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Agricultura

Resumen

In this work, the impact of low intensity (20 μmol m-2 s-1) continue illumination with white and blue light-emitting diodes (WB LED) on the shelf life of broccoli heads stored at 5 °C or at 22 °C was assessed. At both temperatures, heads stored under WB LED showed the highest levels of chlorophylls, reflected in a higher Hue angle and lower L* values compared to controls stored in the darkness. Also, during storage at 22 °C the treated samples had a slower rate of sugar lost compared to dark stored controls. At 5 °C, glucose and fructose levels were maintained and sucrose was increased by the WB LED treatment. The dark stored controls showed the highest accumulation of antioxidant compounds, but there were no differences in ascorbic acid content except for the last storage day at 5 °C, being the WB LED samples which had a slightly higher level (p < 0.05). Finally, treated samples showed an increment in the total carotenoid content, mainly during storage at 22 °C. According to the results, WB LED treatment would be a feasible and low cost technology to enlarge the postharvest storage of whole broccoli heads.
Palabras clave: Antioxidants , Broccoli Storage , Postharvest Senescence , Sugars , White-Blue Light Emitting-Diodes (Led)
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Atribución-NoComercial-SinDerivadas 2.5 Argentina (CC BY-NC-ND 2.5 AR)
Identificadores
URI: http://hdl.handle.net/11336/49536
DOI: https://dx.doi.org/10.1016/j.lwt.2015.08.041
URL: https://www.sciencedirect.com/science/article/pii/S0023643815301353
Colecciones
Articulos(CCT - LA PLATA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - LA PLATA
Articulos(CIDCA)
Articulos de CENTRO DE INV EN CRIOTECNOLOGIA DE ALIMENTOS (I)
Articulos(IIB-INTECH)
Articulos de INST.DE INVEST.BIOTECNOLOGICAS - INSTITUTO TECNOLOGICO CHASCOMUS
Citación
Hasperué, Héctor Joaquín; Guardianelli, Luciano Martin; Rodoni, Luis Maria; Chaves, Alicia Raquel; Martinez, Gustavo Adolfo; Continuous white-blue LED light exposition delays postharvest senescence of broccoli; Elsevier Science; LWT - Food Science and Technology; 65; 1-2016; 495-502
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Separar cada destinatario (hasta 5) con punto y coma.
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