FOOD SCIENCE ›› 2016, Vol. 37 ›› Issue (22): 249-254.doi: 10.7506/spkx1002-6630-201622038

• Packaging & Storage • Previous Articles     Next Articles

Effect of Intermittent Fumigation with Nitric Oxide on Reactive Oxygen Species Metabolism of ‘Munage’ Table Grapes

ZHANG Zheng1, WANG Qian1, ZHANG Hui1, WEI Jia2, DING Juanli1, SHEN Aiyan1, WU Bin2,3,*   

  1. 1. College of Food Science and Pharmacy, Xinjiang Agricultural University, ürümqi 830052, China;
    2. Institute of Agro-Products Storage and Processing, Xinjiang Academy of Agricultural Sciences, ürümqi 830091, China;
    3. Xinjiang Laboratory of Agro-Products Quality and Safety, ürümqi 830091, China
  • Received:2016-03-24 Online:2016-11-16 Published:2017-02-22

Abstract: The aim of this work was to investigate the impact of nitric oxide (NO) on the metabolism of reactive oxygen species (ROS). ‘Munage’ table grapes were treated by intermittent fumigation once every seven days totally 8 times. The effects of NO on the activities of superoxide dismutase (SOD), peroxidase (POD), catalase (CAT), and ascorbate peroxidase (APX) in grape peel and flesh were analyzed. The changes in the contents of malondialdehyde (MDA) and H2O2, as well as superoxide anion radical formation rate were also monitored. The results showed that SOD, POD, CAT and APX activities grape peel and flesh could be improved effectively and the accumulations of MDA, superoxide anion radical and H2O2 were delayed by 300 μL/L NO intermittent fumigation treatment. The NO treatment could maintain the balance of active oxygen metabolism, inhibit membrane lipid peroxidation and delay grape senescence. This study contributed to a comprehensive understanding of the ROS metabolism in ‘Munage’ grape treated with NO and provided useful information for maintaining fruit quality.

Key words: nitric oxide, intermittent fumigation, grape, reactive oxygen species

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