Comprehensive chemical and bioactive investigation of Chinese peony flower: a case of valorization of by-products as a new food ingredient from Chinese herb
Peng M.-L. Gong M.-J. Zhang J. Gadetskaya A.V. Liang Q.-W. He P.-W. Qiu X.-H. Huang Z.-H. Xu W.
2024Frontiers Media SA
Frontiers in Plant Science
2024#15
Introduction: In the present study, the flower of Chinese peony (CPF), major waste by-product of Chinese Herb Radix paeoniae, was comprehensively investigated for the first time. Methods: A validated UHPLC Orbitrap Mass spectrometry combined a three-levels characterization strategy were used to analyze CPF samples from four representative cultivars. The anti-inflammatory and antioxidant activities were analyzed using RAW264.7 cells, and DPPH, ABTS, FRAP, and ORAC antioxidant assays. Results: A total of 150 chemical components were identified in CPF, among them, more than 50 components were reported from this species for the first time, with potential new chemicals reported. 67 quantified or semi-quantified targeted metabolomics analysis indicated a clear distinction between flower parts and four cultivars. CPF demonstrated significant antioxidant activities and displayed anti-inflammatory effects by reducing nitric oxide, IL-6, and TNF-a release in LPS-induced macrophages. Correlation analysis highlighted a strong positive correlation between total phenolic content and DPPH ABTS, and FRAP antioxidant activities. Discussion: The present study is the first to comprehensively investigate the chemical profile and bioactivities of CPF, which provide insights into further understanding of its health-promoting potential. Copyright
antioxidants , biowaste valorization , flavonoids , Orbitrap , Paeonia lactiflora
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State Key Laboratory of Traditional Chinese Medicine Syndrome, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
School of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
Chinese Medicine Guangdong Laboratory, Hengqin, China
State Key Laboratory of Traditional Chinese Medicine Syndrome
School of Chemistry and Chemical Technology
Chinese Medicine Guangdong Laboratory
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