Effect of postharvest visible spectrum LED lighting on quality and bioactive compounds of tomatoes during shelf life
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Fisiología Vegetal; Tecnología de los AlimentosPatrocinadores
During the development of this research, Noelia Castillejo contract was funded by a predoctoral grant (FPU16/04763) from the Spanish Ministry of Education (until March 2022). Lorena Martínez-Zamora contract was co-financed by the European Social Fund (ESF) and the Youth European Initiative (YEI) under the Spanish Seneca Foundation (21322/PDGI/19) until December 2021. Currently, Lorena Martínez-Zamora contract is financed by the Programme for the Re-qualification of the Spanish University System during the three-year period 2021–2023, Margarita Salas modality for the University of Murcia. Authors thanks to G's España Holdings SL for the kindly supply of the Kumato® cherry tomatoes. The technical assistance during experiments of Cristina Martínez Moreno is also appreciated.Realizado en/con
Universidad Politécnica de Cartagena; Universidad de MurciaFecha de publicación
2023-01-05Editorial
ELSEVIERCita bibliográfica
Lorena Martínez-Zamora, Noelia Castillejo, Francisco Artés–Hernández, Effect of postharvest visible spectrum LED lighting on quality and bioactive compounds of tomatoes during shelf life, LWT, Volume 174, 2023, 114420, ISSN 0023-6438, https://doi.org/10.1016/j.lwt.2022.114420.Revisión por pares
SIPalabras clave
Solanum lycopersicumKumato®
Illumination
Antioxidants
Lycopene
Carotenoids
Resumen
The objective was to evaluate the effect of visible spectrum LED lighting during shelf-life on physicochemical quality and the main bioactive compounds of Kumato® cherry tomatoes. Tomatoes were stored 13 days at 5 °C under white (W), blue (B), blue + red (B + R), green + red (G + R), and green + far-red (G + FR) LED lights. Darkness (D) was used as control. Tomatoes under illumination showed higher weight losses and firmness decreases (30–35%). No chilling injury was observed. B + R lighting increased the carotenoid content by ∼27%, while G + R and G + FR reported an increase ∼30% in phenolics. B and B + R showed the highest increase in the phytochemical biosynthesis (lycopene and naringenin, as main carotenoid and flavonoid found) compared to D and W. Conclusively, illumination with B + R or B during shelf-life is recommended to enhance the main bioactive compounds. G + R and G + FR, also reported to be good elicitors of the phenolics and carotenoids biosynthesis.
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