Combination of hypobaric and 1-methylcyclopropene treatment can delay post-harvest chilling injury of Prunus persica L.cv. Zhonghuashoutao by regulating its energy metabolism
CAO Jixuan1, ZHANG Ying1, LOU Xiangqin2, CHE Yan2, LIU Chang1, PENG Yong1, SHI Jingying1*
1(College of Food Science and Engineering, Shandong Agricultural University, Key Laboratory of Food Processing Technology and Quality Control in Shandong Province, Tai′an 271018, China) 2(Inspection Center of Zichuan, Zibo 255100, China)
Abstract: Using Prunus persica L. as test materials, this study investigated the effects of 1-methylcyclopropene(1-MCP) (1 mg/m3) treatment, hypobaric (0.05-0.06 MPa) treatment and hypobaric combined with 1-MCP treatment on the storage and shelf life of Prunus persica L.. Also, it explored the mechanism of different treatments to alleviate the chilling injury of peach fruit from the perspective of energy metabolism. The results showed that the hypobaric combined with 1-MCP treatment of Prunus persica L.had the least browning degree, which not only could maintain the better storage quality of the fruit, but also effectively maintain the shelf quality of the fruit. The combined treatment of adenosine triphosphate (ATP) and adenosine diphosphate (ADP) was higher than other treatments. The increase in adenosine monophosphate (AMP) was inhibited by the combined treatment. In addition, the combined treatment slowed declines of succinate dehydrogenase (SDH) and mitochondrial cytochrome C oxidase (CCO) activity. The results indicate that hypobaric combined with 1-MCP treatment provides energy for the storage and shelf life by ensuring the energy production rate, which reduces the chilling damage of the fruit, thereby prolongs the storage period and shelf life of the fruit.
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CAO Jixuan,ZHANG Ying,LOU Xiangqin,et al. Combination of hypobaric and 1-methylcyclopropene treatment can delay post-harvest chilling injury of Prunus persica L.cv. Zhonghuashoutao by regulating its energy metabolism[J]. Food and Fermentation Industries, 2020, 46(12): 213-219.
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2020, Vol. 46 
