Analysis of Chemical Components in the Roots of Eight Intersubgeneric Hybrids of Paeonia |
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| Authors: | Miao Sun Yi-Zhou Wang Yong Yang Meng-Wen Lv Shan-Shan Li Jaime A Teixeira da Silva Liang-Sheng Wang Xiao-Nan Yu |
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| Institution: | 1. College of Landscape Architecture, Beijing Forestry University, Beijing Key Laboratory of Ornamental Plants Germplasm Innovation and Molecular Breeding, National Engineering Research Center for Floriculture, Beijing, 100083 P. R. China;2. Key Laboratory of Plant Resources/Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093 P. R. China;3. Independent researcher, P.O. Box 7, Miki-cho Post Office, Ikenobe 3011–2, Kagawa-ken, 761-0799 Japan |
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| Abstract: | Paeonia cultivars are famous ornamental plants, and some of them are also traditional Chinese medicinal resources. Intersubgeneric hybrids of Paeonia (IHPs) are formed by the hybridization of herbaceous peony (Paeonia lactiflora) and tree peony (Paeonia×suffruticosa or lutea hybrid tree peony). The phenotypic characteristics of IHPs are similar to those of herbaceous peony, and their root systems are large and vigorous. However, their medicinal value has not been reported yet. In this study, the roots of eight IHP samples were analyzed by high performance liquid chromatography quadrupole time-of-flight mass spectrometry (HPLC-Q-TOF-MS/MS). A total of 18 compounds were identified, including phenols, paeonols, monoterpene glycosides, and tannins. The contents of monoterpene glycosides and tannins in IHPs were higher than herbaceous peony and tree peony, exceeding 44.76 mg/g DW and 11.50 mg/g DW, respectively. Three IHPs, ‘Prairie Charm’, ‘Garden Treasure’, and ‘Yellow Emperor’, with more types and a higher content of medicinal compounds, were screened out by cluster analysis. These IHPs have considerable potential for the development of medicinal resources. |
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| Keywords: | Paeonia intersubgeneric hybrid medicinal ingredient paeoniflorin tannins |
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