期刊
POSTHARVEST BIOLOGY AND TECHNOLOGY
卷 84, 期 -, 页码 22-27出版社
ELSEVIER
DOI: 10.1016/j.postharvbio.2013.04.002
关键词
Banana; Fruit; Oxalic acid; Ripening; Antioxidant activity
资金
- National Key Basic Research Program of China [2013CB127100]
- National Key Technologies RD Program [2010BAD22B01]
- Science and Technology Planning Project of Guangdong Province, China [2009B040600004]
- National Natural Science Foundation of China [30972071]
The effect of exogenous oxalic acid treatment on ripening attributes of banana fruit during storage was investigated. Banana fruit were dipped into solutions of 0 (control) or 20 mM oxalic acid for 10 min and then stored at room temperature (23 +/- 2 degrees C) and 75-90% relative humidity. The application of oxalic acid reduced fruit deterioration during storage. The oxalic acid treatment also reduced the rates of respiration and ethylene production, and delayed the decreases in firmness, hue angle, and maximal chlorophyll fluorescence (Fv/Fm) of banana fruit during storage. Furthermore, fruit treated with oxalic acid exhibited higher superoxide dismutase activity and antioxidant capability with a lower production of reactive oxygen species at the late storage period compared with non-oxalic acid-treated fruit. Overall, the oxalic acid treatment was effective in inhibiting postharvest ripening of banana fruit and exhibited the potential for commercial application to store the bananas at room temperature. It can be concluded that the delay in banana fruit ripening associated with oxalic acid treatment could be due to inhibition of respiration and ethylene production rates, and reduction of oxidative injury caused by reactive oxygen species through increased antioxidant activity. (C) 2013 Elsevier B.V. All rights reserved.
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