期刊
BIOMOLECULES
卷 9, 期 12, 页码 -出版社
MDPI
DOI: 10.3390/biom9120821
关键词
satsuma mandarin; ozonation; flavonoids accumulation; antioxidant capacity; gene expression
资金
- National Key Research and Development Program of China [2017YFD0401301]
- Special Project of Changsha-Zhuzhou-Xiangtan Independent Innovation Demonstration Zones [2018XK2006]
- Science and Technology Innovation Projects of Hunan Academy of Agricultural Sciences [2018 ZD04-1, 2017JC67, 2019TD04]
This study aimed to compare the flavonoid accumulation between ozone-treated and untreated Satsuma mandarin (Citrusunshiu Marc.) fruits. The fruits exposed to gaseous ozone were found to have higher antioxidant activities and content of flavonoid during the storage period by ultra-high performance liquid chromatography (UPLC). To reveal the molecular regulation of flavonoid accumulation by ozone, chalcone synthase (CHS), chalcone isomerase (CHI), beta-1,3-glucanase (GLU), chitinase (CHT), phenylalanine ammonia-lyase (PAL), and peroxidase (POD) were identified and their expression was examined by quantitative real-time polymerase chain reaction (q-PCR). These results support the promising application of ozone treatment as a safe food preservation technique for controlling postharvest disease and extending shelf-life of harvested Satsuma mandarin.
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