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Wu XR, Lang LJ, Shen Y, Dong X, Xiao CJ, Jiang B. Four new phenolic glycosides from Dobinea delavayi. Nat Prod Res 2023; 37:1146-1153. [PMID: 34702089 DOI: 10.1080/14786419.2021.1994966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Three new benzophenone glycosides, 2-O-β-D-glucopyranosyl-6,3',4'-trihydroxy-4-methoxybenzophenone (1), 4'-O-β-D-glucopyranosyl-2,4,6,3'-tetramethoxybenzophenone (2) and 2-O-β-D-glucopyranosyl-4'-hydroxy-6-methylbenzophenone (3), and a new flavonoid glycoside 5'-hydroxyombuoside (6), along with three known phenolic glycosides 4-O-β-D-glucopyranosyl-2,6,4'-trihydroxybenzophenone (4), mangiferin (5), and ombuoside (7), were isolated from the 80% ethanol extract of roots of Dobinea delavayi. Their structures were determined by the comprehensive analyses of the physicochemical properties and spectroscopic data (1D NMR, 2D NMR, and HR-ESI-MS). Cytotoxicity and in vitro antimalarial activity of compounds 1, 3, 4, 6, and 7 were evaluated by MTT colorimetric assay and β-hematin formation inhibition assay, respectively.
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Affiliation(s)
- Xiu-Rong Wu
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China.,College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Li-Juan Lang
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China.,College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Yi Shen
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China.,College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Xiang Dong
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
| | - Chao-Jiang Xiao
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China.,College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Bei Jiang
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China.,College of Pharmacy, Dali University, Dali, People's Republic of China
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Flavonoids from Scutellaria likiangensis Diels and their antimalarial activities. Fitoterapia 2023; 164:105357. [PMID: 36460204 DOI: 10.1016/j.fitote.2022.105357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/15/2022] [Accepted: 11/16/2022] [Indexed: 11/30/2022]
Abstract
Two new flavonoid glycosides scutelikiosides A and B (13 and 23), along with twenty-one known compounds from the 75% ethanol extract of roots of Scutellaria likiangensis Diels. Their structures were determined by the comprehensive analyses of the spectroscopic data (1D NMR, 2D NMR, HRESIMS, and CD) and physicochemical properties. Compounds 4-14, 17-19, 21, and 22 were evaluated for their in vivo antimalarial activities against Plasmodium yoelii BY265RFP in mice. Compound 17 exhibited significant activity close to artemisinin with an inhibition ratio of 29.2%, and compounds 6, 9-12, 14, 18, 19, and 22 exhibited moderate antimalarial activities with inhibition ratios ranging from 10.2% to 20.0% at a dose of 25 mg/kg/day. In addition, a summary of preliminary structure-activity relationship of isolated flavonoids for in vivo antimalarial activity was described.
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Lang LJ, Wang M, Lei C, Shen Y, Zhu QJ, Diao HM, Chen H, Shen L, Dong X, Jiang B, Xiao CJ. Phloridzin Highly Accumulated in Malus rockii Rehder and Its Structure Revision and Hypolipidemic Activity. PLANTA MEDICA 2022; 88:1190-1198. [PMID: 34875697 DOI: 10.1055/a-1716-0958] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Phloridzin is a lead compound of the prestigious antidiabetic gliflozins. The present study found that phloridzin highly accumulated in Malus rockii Rehder. The content of phloridzin in M. rockii was the highest among wild plants, with the percentage of 15.54% in the dry leaves. The structure of phloridzin was revised by proton exchange experiments and extensive 2D NMR spectra. Phloridzin exhibited significant hypolipidemic activity in golden Syrian hamsters maybe by increasing the expression of CYP7A1, at the doses of 50 mg/kg and 200 mg/kg. The total performance of anti-hyperlipidemic effect of phloridzin may be superior to that of lovastatin, though lovastatin was more active than phloridzin. In addition, phloridzin exhibited moderate antimalarial activity with inhibition ratio of 31.3 ± 10.9% at a dose of 25 mg/kg/day, and showed moderate analgesic activity with 28.0% inhibition at a dose of 50 mg/kg.
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Affiliation(s)
- Li-Juan Lang
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Min Wang
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Chang Lei
- Institute of Innovation and Applied Research in Chinese Medicine, Training Base of Province-Ministry Joint State Key Laboratory of Chinese Medicinal Powder and Innovative Medicinals, Hunan University of Chinese Medicine, Changsha, People's Republic of China
| | - Yi Shen
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Qi-Jie Zhu
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Hong-Mei Diao
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Hao Chen
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Lei Shen
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Xiang Dong
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Bei Jiang
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
| | - Chao-Jiang Xiao
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, People's Republic of China
- Institute of Materia Medica, Dali University, Dali, People's Republic of China
- College of Pharmacy, Dali University, Dali, People's Republic of China
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Wu XR, Shen Y, Diao HM, Dong X, Xiao CJ, Jiang B. Sesquiterpenoids and their glycosides from Dobinea delavayi (Baill.) Baill. PHYTOCHEMISTRY 2022; 193:112999. [PMID: 34768186 DOI: 10.1016/j.phytochem.2021.112999] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/21/2021] [Accepted: 10/31/2021] [Indexed: 06/13/2023]
Abstract
Eight undescribed sesquiterpenoids, including two eudesmane glycosides dobinosides A and B, five eudesmane aglycones dobinins Q-U, and one germacrane dobinin P, were isolated from the 80% ethanol extract of roots of Dobinea delavayi. Their structures were elucidated by extensive spectroscopic data (1D and 2D NMR, HR-ESI-MS) and single-crystal X-ray diffraction analysis. Dobinoside A, dobinins Q and R, as well as six reported eudesmane sesquiterpenoids, were evaluated for their in vivo antimalarial activities against Plasmodium yoelii BY265RFP in mice. A summary of preliminary structure-activity relationship of eudesmane sesquiterpenoids for in vivo antimalarial activity was described.
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Affiliation(s)
- Xiu-Rong Wu
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, 671000, People's Republic of China; College of Pharmacy, Dali University, Dali, 671000, People's Republic of China
| | - Yi Shen
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, 671000, People's Republic of China; College of Pharmacy, Dali University, Dali, 671000, People's Republic of China
| | - Hong-Mei Diao
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, 671000, People's Republic of China; College of Pharmacy, Dali University, Dali, 671000, People's Republic of China
| | - Xiang Dong
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, 671000, People's Republic of China; College of Pharmacy, Dali University, Dali, 671000, People's Republic of China
| | - Chao-Jiang Xiao
- College of Pharmacy, Dali University, Dali, 671000, People's Republic of China.
| | - Bei Jiang
- Yunnan Key Laboratory of Screening and Research on Anti-pathogenic Plant Resources from Western Yunnan, Dali, 671000, People's Republic of China.
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Natural sesquiterpenoid oligomers: A chemical perspective. Eur J Med Chem 2020; 203:112622. [DOI: 10.1016/j.ejmech.2020.112622] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/17/2020] [Accepted: 06/23/2020] [Indexed: 01/21/2023]
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Wu XR, Shen Y, Cui SJ, Luo XL, Xiao CJ, Jiang B. A New Antimalarial Noreudesmane Sesquiterpenoid from Dobinea delavayi. NATURAL PRODUCTS AND BIOPROSPECTING 2020; 10:101-104. [PMID: 32096092 PMCID: PMC7176782 DOI: 10.1007/s13659-020-00234-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Accepted: 02/10/2020] [Indexed: 06/10/2023]
Abstract
One previously undescribed angeloylated noreudesmane sesquiterpenoid, dobinin O (1), along with four known eudesmane sesquiterpenoids (2-5) were isolated from the peeled roots of Dobinea delavayi. Their structures were elucidated by extensive spectroscopic data analyses. In addition, compound 1 exhibited moderate antimalarial activity against Plasmodium yoelii BY265RFP with the inhibition ratio of 17.8 ± 13.3% at the dose of 30 mg/kg/day.
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Affiliation(s)
- Xiu-Rong Wu
- Institute of Materia Medica, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
- College of Pharmacy and Chemistry, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
| | - Yi Shen
- Institute of Materia Medica, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
- College of Pharmacy and Chemistry, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
| | - Shu-Jun Cui
- Institute of Materia Medica, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
- College of Pharmacy and Chemistry, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
| | - Xiao-Lei Luo
- Institute of Materia Medica, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
- College of Pharmacy and Chemistry, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China
| | - Chao-Jiang Xiao
- College of Pharmacy and Chemistry, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China.
| | - Bei Jiang
- Institute of Materia Medica, Dali University, Xueren Road 2, Dali, 671000, People's Republic of China.
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