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《Xinjiang Agricultural Sciences》 2018-12
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Effects of Nitric Oxide on Mitochondrial Oxidative Damage in Peaches Stored at Low Temperature

HU Shan;YE Zhi-heng;FENG Jian-rong;ZHU Shu-hua;College of Agronomy, Shihezi University/Key Laboratory of Key Laboratory of Cultivation Physiology and Germplasm Resources Utilization of Featured Fruits and Vegetables of Xinjiang Production and Construction Corps;College of Chemistry and Material Science Shandong Agricultural University;  
【Objective】 To study the effects of nitric oxide(NO) on mitochondrial oxidative damage in peach fruit stored at 0℃.【Method】Peaches were treated with 15 μmol/L NO, 5 μmol/L c-PTIO(NO scavenger) and control to measure the related quality indexes of peach fruits, at 0 ℃ such as the mitochondrial integrity, the content of reactive oxygen species(ROS) and the antioxidant enzyme activity peaches.【Result】NO could maintain the firmness, decline the L value and the content of soluble solid of peaches, reduce the oxygen consumption and the content of ROS, regulate the mitochondrial respiratory control rate(RCR), mitochondrial membrane potential, the content of mitochondrial cytochrome C and the activity of antioxidant enzyme during the storage eperiod.【Conclusion】NO can maintain the mitochondrial integrity by decreasing mitochondrial oxidative damage, so as to prolong the storage of peaches.
【Fund】: 国家自然科学基金项目(31270723;31470686)~~
【CateGory Index】: TS255.3
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