Journal
MOLECULES
Volume 21, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/molecules21070947
Keywords
Paeonia rockii; UHPLC-Q-Exactive Orbitrap HRMS; chemical composition; high-resolution mass spectrometry
Funding
- Program of Study Abroad for Young Scholars - China Scholarship Council [CSC201500850007]
- National Major Scientific and Technological Special Project for Significant New Drug Development [2014ZX09304307-002]
- Sichuan Province Department of Basic Research Project [2015jy0009]
- Key Technologies R & D Program of Sichuan [2014SZ0131]
- Innovative Scientific Research Project for graduate students of Southwest University for Nationalities [CX2015SZ035]
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The Paeonia genus, an important source of crude drugs, has been extensively used in traditional Chinese medicine (TCM) to treat cardiovascular and female-related diseases. Although many peony species have been investigated, the study of Paeonia rockii is still quite limited, especially its chemical composition. Here, an advanced ultra-high-performance liquid chromatography (UHPLC) analytical technique combined with Q-Exactive Orbitrap hybrid quadrupole-Orbitrap mass spectrometry utilizing high-resolution full MS and MS/MS scan modes was applied to screen and identify the chemical constituents of this species. As a result, a total of 46 compounds were characterized, including 11 monoterpene glycosides, five phenolic acids, six tannins and 24 flavonoids. Among them, 16 compounds were reported for the first time in Paeonia rockii.
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