Impact of Ozone-Based Postharvest Treatment on the Quality and Shelf Life of Radish (Raphanus sativus L.) Microgreens
; Bafumo, Roberto Felipe ; Ramirez, Daniela Andrea
; Maza, Marcos Andres
; Camargo, Alejandra Beatriz 
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Fecha
12/2025
Editorial
Universidad Nacional de Cuyo
Revista
Revista de la Facultad de Ciencias Agrarias de la Universidad Nacional de Cuyo
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0370-4661
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1853-8665
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Los microgreens son plántulas jóvenes de hortalizas reconocidas por sus altas concentraciones de fitoquímicos beneficiosos para la salud. Sin embargo, su naturaleza altamente perecedera representa un desafío significativo para su almacenamiento poscosecha. Entre las diversas tecnologías de conservación disponibles, el tratamiento con ozono aplicado a microgreens-un método innovador y ambientalmente sostenible- continúa escasamente investigado. Este estudio evaluó el efecto de la sanitización con ozono sobre la vida útil y la calidad de los microgreens de rabanito. Se compararon tratamientos convencionales de lavado con agua clorada y agua de red frente al uso de agua ozonizada. Durante el almacenamiento refrigerado, se monitorearon sistemáticamente parámetros de calidad como pérdida de peso fresco, pérdida de electrolitos, cambios de color y recuentos microbiológicos. El agua ozonizada redujo eficazmente las poblaciones iniciales de bacterias mesófilas aerobias, sin diferencias estadísticamente significativas respecto del tratamiento convencional con cloro. Además, el tratamiento con ozono tuvo un impacto mínimo sobre el color, y la pérdida de peso se mantuvo debajo del 1%. Aunque se observó marchitamiento tisular, su severidad fue significativamente menor que la asociada al tratamiento con cloro. Estos resultados sugieren que el agua ozonizada es una alternativa prometedora a los tratamientos poscosecha convencionales para mejorar la vida útil y la seguridad microbiológica de los microgreens listos para consumir.
Microgreens are young vegetable seedlings that have garnered significant attention due to their high concentrations of health-promoting phytochemicals. However, their highly perishable nature presents a significant challenge for postharvest storage. Among the various preservation technologies available, ozone treatment applied to microgreens-an innovative and environmentally sustainable method-has not been extensively studied. This study evaluated the effect of ozone-based sanitization on the shelf life and quality of radish microgreens. Conventional washing treatments using chlorinated water and tap water were compared to ozonated water. During refrigerated storage, key quality parameters were systematically monitored, including freshweightloss, electrolyte leakage, color changes, and microbial counts. Ozonated water effectively reduced the initial aerobic mesophilic bacterial populations, with no statistically significant differences compared to conventional chlorine treatment. Furthermore, ozone treatment had minimal impact on color, and the weight loss remained below 1%. Although tissue wilting was observed, it was significantly less severe than that associated with chlorine treatment. These findings suggest that ozonated water is a promising alternative to conventional postharvest treatments for enhancing the shelf life and microbiological safety of ready-to-eat microgreens.
Microgreens are young vegetable seedlings that have garnered significant attention due to their high concentrations of health-promoting phytochemicals. However, their highly perishable nature presents a significant challenge for postharvest storage. Among the various preservation technologies available, ozone treatment applied to microgreens-an innovative and environmentally sustainable method-has not been extensively studied. This study evaluated the effect of ozone-based sanitization on the shelf life and quality of radish microgreens. Conventional washing treatments using chlorinated water and tap water were compared to ozonated water. During refrigerated storage, key quality parameters were systematically monitored, including freshweightloss, electrolyte leakage, color changes, and microbial counts. Ozonated water effectively reduced the initial aerobic mesophilic bacterial populations, with no statistically significant differences compared to conventional chlorine treatment. Furthermore, ozone treatment had minimal impact on color, and the weight loss remained below 1%. Although tissue wilting was observed, it was significantly less severe than that associated with chlorine treatment. These findings suggest that ozonated water is a promising alternative to conventional postharvest treatments for enhancing the shelf life and microbiological safety of ready-to-eat microgreens.
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