Journal
JOURNAL OF FOOD SCIENCE
Volume 72, Issue 3, Pages S197-S202Publisher
WILEY
DOI: 10.1111/j.1750-3841.2007.00295.x
Keywords
antioxidant capacity; bioactive compounds; Mangifera indica; UV-light
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The effect of UV-C irradiation time on total phenol, flavonoids, beta-carotene, ascorbic acid contents, and antioxidant capacity (ORAC, DPPH center dot) of fresh-cut Tommy Atkins mango stored for 15 d at 5 degrees C was investigated. Fresh-cut mango was irradiated for 0, 1, 3, 5, and 10 min prior to storage at 5 degrees C. UV-C irradiation for 10 min induced a hypersensitive defense response resulting in the phenols and flavonoids accumulation which was positively correlated with ORAC and DPPH values. However, beta-carotene and ascorbic acid content of fresh-cut mangos decreased with irradiation time during storage. Antioxidant capacity (ORAC, DPPH center dot) was increased in fresh-cut mangos treated with UV-C irradiation. In conclusion, UV-C irradiation appears to be a good technique to improve the total antioxidant capacity of fresh-cut mango.
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