Effect of UV-C and Ozone on the Bioactive Compounds and Antioxidant Capacity of Minimally Processed Rocket (Eruca Sativa Mill.)

Diego R. Gutiérrez • Laura Lemos • Silvia Del C. Rodríguez
Journal article International Journal of New Technology and Research • September 2018

Abstract

In this study, treatments with UV-C radiation (10, 20 and 30 kJ/m2) and gaseous ozone (1, 5 and 10 mg/L) were applied to minimally processed rocket (Eruca sativa) leaves to investigate their effects on the bioactive compounds and antioxidant capacityduring12 days of storage at 5 ordmC.As control, water washing was used. Ascorbic acid content, phenolic compounds, antioxidant capacity and chlorophyll a and b, total chlorophyll and total carotenoids content throughout shelf-life were studied. The results showed that UV-C and ozone treatments had no adverse effects on ascorbic acid content, phenolic compound and antioxidant capacity of minimally processed rocket leaves. Treatments with UV-C delayed the degradation of total chlorophyll content throughout shelf-life, while the treatments with O3 did not affect this parameter. In conclusion, the UV-C and ozone treatments applied maintain the bioactive compounds with antioxidant activity content of minimally processed rocket leaves during 12 days of storage at 5 ordmC.

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International Journal of New Technology and Research

IJNTR (International Journal of New Technology and Research) is a peer-reviewed online journal pu... see more