Flavonol triglycosides from Magnolia utilis |
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| Institution: | 1. Chulabhorn Research Institute, Kamphaeng Phet 6, Talat Bang Khen, Lak Si, Bangkok, 10210, Thailand;2. Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, 40002, Thailand;1. Jiangsu Key Laboratory of Regional Resource Exploitation and Medicinal Research, Huaiyin Institute of Technology, Huai’an, 223003, China;2. School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, 310018, China;3. School of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou, 310014, China;4. Ocean College, Zhejiang University, Hangzhou, 310058, China;1. Weinan Central Hospital, Shengli Rd, Weinan, 714000, PR China;2. Shaanxi University of Chinese Medicine, Western Century Avenue, Xianyang, 712046, PR China;1. Programa de Pós-Graduação em Ciências Farmacêuticas, Universidade Federal do Rio Grande do Sul, Av. Ipiranga, 2752, 90610-000, Porto Alegre, Brazil;2. Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre, Rua Sarmento Leite, 245, 90050-170, Porto Alegre, Brazil;3. NuBBE (Núcleo de Bioensaios, Biossíntese e Ecologia de Produtos Naturais), Departamento de Química Orgânica, Universidade Estadual Paulista Júlio de Mesquita Filho, Rua Professor Francisco Degni, 55, 14800-060, Araraquara, Brazil;1. Institute of Marine Biochemistry, Vietnam Academy of Science and Technology (VAST), 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam;2. Center for Research and Technology Transfer, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam;3. Institute of Biotechnology, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam;4. Institute of Ecology and Biological Resources, VAST, 18 Hoang Quoc Viet, Cau Giay, Hanoi, Viet Nam;5. Hanoi College of Pharmacy, 13-15 Le Thanh Tong, Hoan Kiem, Hanoi, Viet Nam |
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| Abstract: | Three undescribed flavonol triglycosides, rhamnetin-3-O-α-L-rhamnopyranosyl-(1→2)-α-L-rhamnopyranosyl-(1→6)]-β-d-glucopyranoside (champaluangoside A), rhamnetin-3-O-α-l-rhamnopyranosyl-(1→2)-α-l-rhamnopyranosyl-(1→6)]-β-d-galactopyranoside (champaluangoside B) and rhamnocitrin-3-O-α-l-rhamnopyranosyl-(1→2)-α-l-rhamnopyranosyl-(1→6)]-β-d-glucopyranoside (champaluangoside C), were isolated from Magnolia utilis in addition to eleven known compounds; quercetrin-3-O-α-l-rhamnopyranosyl-(1→2)-α-l-rhamnopyranosyl-(1→6)]-β-d-glucopyranoside, oxytroflavoside G, magnoloside A, magnoloside M, magnoloside D, manglieside A, manglieside B, 1,2-di-O-β-d-glucopyranosyl-4-allylbebzene, syringrin, benzyl β-d-allopyranoside and (+)-syringaresinol-O-β-d-glucopyranoside. The structure elucidation of these compounds was based on analyses of physical and spectroscopic data. |
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| Keywords: | Magnoliaceae Flavonol triglycoside Champaluangosides A-C |
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