期刊
RSC ADVANCES
卷 9, 期 44, 页码 25429-25438出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ra03988k
关键词
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资金
- National Natural Science Foundation of China Youth Science Fund Project [31501547]
- 13th Five Key Research and Development of China [2016YFD0400903-05, 2018YFF0213605-2]
- Innovation Team of the Tianjin Forestry & Pomology Research System [ITTFPRS2018009]
- Tianjin Science and Technology Plan [17YFYZCG00010, 16ZXZYNC00070]
- Tianjin Natural Science Foundation Youth Project [16JCQNJC14800]
- Tianjin Agricultural Science and Technology Achievements Transformation and Promotion Project [201701100, 201602090]
- Tianjin Academy of Agricultural Sciences [17014, 17012]
Ozone treatment at a suitable concentration can improve the antioxidant capacity of postharvest fruits. However, few studies have examined the antioxidant bioactive compounds in ozone-treated postharvest strawberries, especially in relation to proteomics. In this study, the total phenol content (TPC), total flavonoid content (TFC), and total anthocyanin content (TAC) were used as the main antioxidant compound indicators and unlabeled proteomics was used to study the metabolism of phenylpropanoids in postharvest strawberries (Jingtaoxiang) treated with different concentrations of ozone (0, 1, 3, and 5 ppm) throughout the duration of storage. The results showed that the postharvest strawberries treated with 5 ppm ozone concentration exhibited improved accumulation of total phenols, flavonoids and anthocyanins in the antioxidant bioactive compounds, which was beneficial to the expression of phenylpropanoid metabolism-related proteins over the whole storage period compared with the other three groups. The results of proteomics were consistent with the changes in the key metabolites of phenylpropanoids, which indicated that ozone treatment at a suitable concentration aids the accumulation of TPC, TAC and TFC by promoting the key proteins associated with phenylpropanoid metabolism.
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