Two new saponins from Paronychia capitata |
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| Affiliation: | 1. Laboratoire de Chimie et Chimie de l′Environnement (LCCE), Département de Chimie, Faculté des Sciences de la Matière, Université de Batna-1, Batna, Algérie;2. Faculté des Sciences de la Nature et de la vie, Université de Batna-2, Batna, Algérie;3. Laboratoire de Biotechnologie des molécules bioactives et de la physiopathologie cellulaire, Département de biologie, Faculté des Sciences de la Nature et de la vie, Université de Batna-2, Batna, Algérie;4. LAQV-REQUIMTE & Department of Chemistry, University of Aveiro, 810-193 Aveiro, Portugal;1. Laboratory of Pharmacognosy, Faculty of Pharmacy, Gifu University of Medical Science, 4-3-3 Nijigaoka, Kani, Gifu 509-0293, Japan;2. Laboratory of Pharmacognosy, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan;1. Department of Biological Medicines, School of Pharmacy, Fudan University, Shanghai 201203, PR China;2. Department of Natural Medicine, School of Pharmacy, Fudan University, Shanghai 201203, PR China;1. The State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China;2. University of Chinese Academy of Sciences, Beijing 100039, China;1. Division of Pharmaceutical Biology, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056, Basel, Switzerland;2. Research Institute of Organic Agriculture FiBL, Ackerstrasse 113, 5070, Frick, Switzerland;3. Center for Pharmacognostic Research on Panamanian Flora, Faculty of Pharmacy, University of Panama City, Panama;1. College of Life Sciences, Yunnan University, Kunming, Yunnan 650091, China;2. State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China;3. International Institute for Translational Chinese Medicine, School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong 510006, China;4. An Shun City People’s Hospital, Anshun 561000, China;5. Yunnan University of Traditional Chinese Medicine, Yunnan 650500, China;6. Key Laboratory of Animal Models and Human Disease Mechanisms of the Chinese Academy of Sciences & Yunnan Province, KIZ-CUHK Joint Laboratory of Bioresources and Molecular Research in Common Diseases, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming 650223, China |
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| Abstract: | Two new oleanane-type triterpene glycosides, 3˗O˗β˗D˗glucopyranosyl˗28˗O˗[β˗D˗glucopyranosyl˗(1→2)˗β˗D˗xylopyranosyl˗(1→6)˗β˗D˗glucopyranosyl]medicagenic acid (1) and 3˗O˗β˗D˗glucopyranosyl˗28˗O˗[β˗D˗glucopyranosyl˗(1→6)˗β˗D˗glucopyranosyl˗(1→2)˗ β˗D˗xylopyranosyl]oleanolic acid (2), named capitatosides A and B respectively, were isolated from the butanol extract of Paronychia capitata (L.) Lam., along with seven known compounds. The structures of the isolated compounds were established by spectroscopic methods, mainly HRMS, 1D and 2D NMR (1H, 13C, COSY, HSQC, HMBC and NOESY) techniques, whereas those of the known compounds were identified by spectral comparison with reported literature data. |
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| Keywords: | Caryophyllaceae Capitatosides A and B Oleanane-type triterpene glycosides |
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