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Antioxidant and tyrosinase inhibitory activity of Rosa roxburghii fruit and identification of main bioactive phytochemicals by UPLC-Triple-TOF/MS

文献类型： 外文期刊

作者： Zeng, Fangfang 1 ; Ge, Zhiwei 2 ; Limwachiranon, Jarukitt 1 ; Li, Li 1 ; Feng, Simin 1 ; Wang, Yansheng 3 ; Luo, Zishe 1 ;

作者机构： 1.Zhejiang Univ, Coll Biosyst Engn & Food Sci, Zhejiang Key Lab Agro Food Proc, Hangzhou 310058, Zhejiang, Peoples R China

2.Zhejiang Univ, Anal Ctr Agrobiol & Environm Sci, Hangzhou 310058, Zhejiang, Peoples R China

3.Shandong Acad Agr Sci, Inst Agrofood Sci & Technol, Jinan 250100, Peoples R China

关键词： Antioxidant;phytochemicals;Rosa roxburghii;tyrosinase inhibitory;UPLC-Triple-TOF;MS

期刊名称：INTERNATIONAL JOURNAL OF FOOD SCIENCE AND TECHNOLOGY （ 影响因子：3.713； 五年影响因子：3.408 ）

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收录情况： SCI

摘要： The content of bioactive phytochemicals, antioxidant activity and tyrosinase inhibitory activity of the hydroalcoholic extracts of Rosa roxburghii were determined. Yellow fruits of cultivated R.roxburghii showed the highest phenolic content (154.81mg gallic acidg(-1)), and the green fruits of wild R.roxburghii showed higher content of flavonoid and triterpenoid. Rosa roxburghii fruits from different cultivars and maturity stages all demonstrated as good antioxidant agents and tyrosinase inhibitors, with IC50 value about twice of the positive standard in the DPPH assay and triple of the standard in the tyrosinase inhibitory activity assay. Nineteen compounds, mainly ellagic acids and its derivatives, flavonoids and their glycosides were identified by UPLC-Triple-TOF/MS analysis. As the first study of bioactive phytochemicals of R.roxburghii by UPLC-MS, the present research may provide valuable information for fulfilling the potential of R.roxburghii in the functional food area.

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