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Fitrah M, Djalaluddin S, Wang Z, Nishida K, Otsuka H, Matsunami K. Revision of NMR assignment for Morin-3-O-glucoside and microbial production of Morin-2'-O-glucoside. J Nat Med 2024; 78:403-410. [PMID: 38238611 DOI: 10.1007/s11418-023-01771-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 12/02/2023] [Indexed: 02/29/2024]
Abstract
Morin is a flavonol having 2',4'-dihydroxy group on B-ring identified especially in Moraceae plants. While morin is widely known, its glycosides are relatively rare. To the best of our knowledge, morin-3-O-glucoside (1) was first reported in 2008. However, the reported chemical shift values of 1 were unsatisfactory with those of the aglycone, morin, which is rather similar to quercetin-3-O-glucoside (2). Therefore, we prepared morin-3-O-glucoside (1) by microbial transformation of morin with Cunninghamella sp., and the NMR assignment was reinvestigated. The microbial culture also produced another compound (3). The NMR and MS analyses of 3 revealed it as a novel compound, morin-2'-O-glucoside (3).In this study, the revision of the NMR assignment of morin-3-O-glucoside (1), and the preparation and structural elucidation of a novel compound, morin-2'-O-glucoside (3), were described.
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Affiliation(s)
- Muhammad Fitrah
- Department of Pharmacognosy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Syatirah Djalaluddin
- Department of Pediatric Medicine, Faculty of Medicine and Health Sciences, Universitas Islam Negeri Alauddin, Yasin Limpo No. 36 Samata, Makasar, Sulawesi Selatan, Indonesia
| | - Zhichao Wang
- Department of Pharmacognosy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Kana Nishida
- Department of Pharmacognosy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan
| | - Hideaki Otsuka
- Graduate School of Pharmacy, Yasuda Women's University, 6-13-1 Yasuhigashi, Asaminami-ku, Hiroshima, 731-0153, Japan
| | - Katsuyoshi Matsunami
- Department of Pharmacognosy, Graduate School of Biomedical and Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima, 734-8553, Japan.
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Liu XY, Tang HX, Sheng WB, Luo QJ, Mao LX, Yang YP, Guo XZ, Wu QL, Jian YQ, Wang W, Zhou XD. Glycosides from the leaves of Fraxinus Hubeiensis. BMC Chem 2023; 17:182. [PMID: 38093361 PMCID: PMC10720128 DOI: 10.1186/s13065-023-01070-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 10/30/2023] [Indexed: 12/17/2023] Open
Abstract
Fraxinus hubeiensis is a plant endemic to China and widely used as folk medicine to treat various diseases. However, its chemical constituents have never been reported sufficiently. Thus, the primary objective of this study was to investigate the phytochemical constituents and biological activities of F. hubeiensis leaves. Hence, combined column chromatographic and spectroscopic techniques were used to identify and characterize the secondary metabolites such as a pair of 3-keto-glycoside epimers (1) and (2), along with five known compounds (3 ~ 7). The results of α-glucosidase inhibitory activity exhibited that 1 and 2 had moderate activity with IC50 values of 359.50 and 468.43 µM, respectively, compared to a positive control acarbose with the IC50 value of 164.08 µM. However, Compounds 1-6 were shown to be inactive against the tested microbes.
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Affiliation(s)
- Xin-Yi Liu
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Hong-Xia Tang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Wen-Bing Sheng
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Qu-Jing Luo
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Lin-Xi Mao
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Yu-Pei Yang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Xiao-Zhou Guo
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Qing-Lai Wu
- Institute of Pesticides, School of Agriculture, Yangtze University, 434020, Jingzhou, People's Republic of China
| | - Yu-Qing Jian
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China
| | - Wei Wang
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China.
| | - Xu-Dong Zhou
- TCM and Ethnomedicine Innovation & Development International Laboratory, School of Pharmacy, Hunan University of Chinese Medicine, 410208, Changsha, People's Republic of China.
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Chemical Constituents of the Husk of Xanthoceras sorbifolium. Chem Nat Compd 2023. [DOI: 10.1007/s10600-023-03936-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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Morin Attenuated Cerebral Ischemia/Reperfusion Injury Through Promoting Angiogenesis Mediated by Angiopoietin-1-Tie-2 Axis and Wnt/β-Catenin Pathway. Neurotox Res 2022; 40:14-25. [PMID: 34997920 DOI: 10.1007/s12640-021-00470-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 12/20/2021] [Accepted: 12/29/2021] [Indexed: 10/19/2022]
Abstract
Cerebral damage following cerebral ischemia/reperfusion injury affects the neurological deficits and motor impairment of stroke patients in the long-term period. Angiogenesis, the essential process for restoration of cerebral blood flow (CBF) in the ischemic brain, promotes the recovery of neurological function following ischemia. The aim of this study was to investigate the long-term effects of morin on angiogenesis and functional outcomes in a middle cerebral artery occlusion (MCAO) and reperfusion model. Male Wistar rats were subjected to MCAO, and they were administered 30 mg/kg of morin at reperfusion via i.p. injection daily for 14 days. Fourteen days after I/R injury, the rats were evaluated for the brain damage, and angiogenic factors involved in Ang1/Tie-2 and Wnt/β-catenin signaling. In addition, at 1, 7, and 14 days after reperfusion, rotarod and pole tests were performed to investigate the functional recovery. We found morin significantly reduced the infarct size, blood-brain barrier (BBB) leakage, and apoptotic cells at 14 days after I/R injury. It also promoted angiogenesis via boosting the expression of angiogenic proteins, such as angiopoietin 1 (Ang1), Tie-2, Wnt3α, β-catenin, and cyclin D1. Morin-mediated angiogenesis was confirmed by a significant increase in microvessel's density in the penumbra area and an increase in von Willebrand factor (vWF) protein expression of the morin-treated rats. Moreover, the rotarod and pole tests also demonstrated morin increased functional recovery in the morin-treated rats compared to the vehicle rats. Therefore, our data exposed that morin promotes angiogenesis and improves functional outcomes in MCAO and reperfusion rats.
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Khamchai S, Chumboatong W, Hata J, Tocharus C, Suksamrarn A, Tocharus J. Morin protects the blood-brain barrier integrity against cerebral ischemia reperfusion through anti-inflammatory actions in rats. Sci Rep 2020; 10:13379. [PMID: 32770144 PMCID: PMC7414849 DOI: 10.1038/s41598-020-70214-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Accepted: 07/20/2020] [Indexed: 01/14/2023] Open
Abstract
This study aimed to investigate the effects of morin on cerebral damage and blood–brain barrier (BBB) integrity in a middle cerebral artery occlusion (MCAO) and reperfusion model. Wistar rats were exposed to MCAO for 2 h, followed by reperfusion. Thirty mg/kg of morin was administered via intraperitoneal injection at the different time points: before ischemia, during ischemia, and at reperfusion. The rats were divided into five groups, including sham, vehicle, and three groups of morin. Twenty-four hours after reperfusion, the rats were tested for neurological deficits, and the brains were harvested to assess brain damage. In addition, brains were harvested 72 h to determine BBB disruption. We found that morin significantly reduced reactive oxygen species production and lipid peroxidation. It also decreased inflammation via reducing the expression of Toll-like receptor 4, nuclear factor kappa-beta. Morin ameliorated cerebral damage and reduced apoptosis through decreasing the cerebral infarct size, including apoptotic cell death. Moreover, morin decreased the BBB damage via reducing Evans blue extravasation, neutrophil infiltration, and increasing tight junction protein expression. Therefore, morin protected against cerebral and BBB damage by attenuating oxidative stress, inflammation, and apoptosis in MCAO and reperfusion models.
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Affiliation(s)
- Satchakorn Khamchai
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.,Graduate School, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Wijitra Chumboatong
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Janejira Hata
- Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok, 10240, Thailand
| | - Chainarong Tocharus
- Department of Anatomy, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Apichart Suksamrarn
- Center of Excellence for Innovation in Chemistry, Department of Chemistry, Faculty of Science, Ramkhamhaeng University, Bangkok, 10240, Thailand
| | - Jiraporn Tocharus
- Department of Physiology, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand. .,Center for Research and Development of Natural Products for Health, Chiang Mai University, Chiang Mai, 50200, Thailand.
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Phenol Glycosides and Flavonol Glycosides from the Aerial Part of Zingiber officinale. Chem Nat Compd 2019. [DOI: 10.1007/s10600-019-02735-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Lunga PK, Qin XJ, Yang XW, Kuiate JR, Du ZZ, Gatsing D. Antimicrobial steroidal saponin and oleanane-type triterpenoid saponins from Paullinia pinnata. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2014; 14:369. [PMID: 25277679 PMCID: PMC4192449 DOI: 10.1186/1472-6882-14-369] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 09/30/2014] [Indexed: 11/20/2022]
Abstract
BACKGROUND Paullinia pinnata L. (Sapindaceae) is an African woody vine, which is widely used in traditional medicine for the treatment of human malaria, erectile dysfunction and bacterial infections. A phytochemical investigation of its methanol leaf and stem extracts led to the isolation of seven compounds which were evaluated for their antimicrobial properties. METHODS The extracts were fractionated and compounds were isolated by chromatographic methods. Their structures were elucidated from their spectroscopic data in conjunction with those reported in literature. The antimicrobial activities of the crude extracts, fractions and compounds were evaluated against bacteria, yeasts and dermatophytes using the broth micro-dilution technique. RESULTS Seven compounds: 2-O-methyl-L-chiro-inositol (1), β-sitosterol (2), friedelin (3), 3β-(β-D-Glucopyranosyloxy) stigmast-5-ene (4), (3β)-3-O-(2'-Acetamido-2'-deoxy-β-D-glucopyranosyl) oleanolic acid (5), (3β,16α-hydroxy)-3-O-(2'-Acetamido-2'-deoxy-β-D-glucopyranosyl) echinocystic acid (6) and (3β)-3-O-[β-D-glucopyranosyl-(1″-3')-2'-acetamido-2'-deoxy-β-D-galactopyranosyl]oleanolic acid (7) were isolated. Compounds 5 and 7 showed the best antibacterial and anti-yeast activities respectively (MIC value range of 0.78-6.25 and 1.56-6.25 μg/ml), while 6 exhibited the best anti-dermatophytic activity (MIC value range of 6.25-25 μg/ml). CONCLUSION The results of the present findings could be considered interesting, taking into account the global disease burden of these susceptible microorganisms, in conjunction with the search for alternative and complementary medicines.
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Affiliation(s)
- Paul K Lunga
- />Department of Biochemistry, Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
- />Department of Biochemistry, Laboratory of Phytobiochemistry and Medicinal Plants Study, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon
| | - Xu-Jie Qin
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 P R China
| | - Xing W Yang
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 P R China
| | - Jules-Roger Kuiate
- />Department of Biochemistry, Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Zhi Z Du
- />State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Science, Kunming, 650201 P R China
| | - Donatien Gatsing
- />Department of Biochemistry, Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
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Hayta S, Tasar N, Cakilcioglu U, Gedik O. Morphological, karyological features and pollen morphology of endemic Ebenus haussknechtii Bornm. ex Hub.-Mor. from Turkey: A traditional medicinal herb. J Herb Med 2014. [DOI: 10.1016/j.hermed.2014.04.006] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Lunga PK, Tamokou JDD, Fodouop SP, Kuiate JR, Tchoumboue J, Gatsing D. Antityphoid and radical scavenging properties of the methanol extracts and compounds from the aerial part of Paullinia pinnata. SPRINGERPLUS 2014; 3:302. [PMID: 25279277 PMCID: PMC4162521 DOI: 10.1186/2193-1801-3-302] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Accepted: 06/06/2014] [Indexed: 12/02/2022]
Abstract
Paullinia pinnata Linn (Sapindaceae) is a
medicinal plant, locally used in the West Region of Cameroon for the treatment of
typhoid fever. This work was designed to evaluate the antityphoid and antioxidant
activities of the extracts and compounds of P.
pinnata. The methanol extracts of the leaves and stems were tested for antityphoid and
antioxidant activities. Compounds were isolated, and their structures elucidated by
analysis of spectroscopic data in conjuction with literature data and tested for the
same activities. The leaf extract was also tested in
vivo for its antityphoid potential in a Salmonella typhimurium-induced typhoid fever model in Wistar rats. Seven known compounds: methylinositol (1), β-sitosterol (2), friedelin (3),
3β-(β-D-Glucopyranosyloxy)stigmast-5-ene (4), (3β)-3-O-(2′-Acetamido-2′-deoxy-β-D-glucopyranosyl) oleanolic acid (5), (3β,16α-hydroxy)-3-O-(2′-Acetamido-2′-deoxy-β-D-glucopyranosyl) echinocystic acid (6) and (3β,)-3-O-[β-D-glucopyranosyl-(1″-3′)-2′-acetamido-2′-deoxy-β-D-galactopyranosyl]oleanolic
acid (7) were isolated. Compounds 5 and 1 showed the highest antibacterial
(MIC = 0.781-1.562 μg/ml) and DPPH radical scavenging (RSa50 = 19.27 ± 4.43 μg/ml)
activities respectively. The maximum extract dose (446.00 mg/kg bw) had comparable
activity with ciprofloxacin (7.14 mg/kg bw) and oxytetracycline (5 mg/kg bw). The
extract induced significant dose-dependent increase of WBCs and lymphocytes. These results support the ethnomedicinal use of P.
pinnata and its isolated Compounds could be useful in the
standardization of antityphoid phytomedicine from it.
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Affiliation(s)
- Paul Keilah Lunga
- Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon ; Laboratory of Phytobiochemistry and Medicinal Plants Study, Faculty of Science, University of Yaoundé 1, P.O. Box 812, Yaoundé, Cameroon
| | - Jean de Dieu Tamokou
- Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Simeon Pc Fodouop
- Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Jules-Roger Kuiate
- Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Joseph Tchoumboue
- Laboratory of Animal Physiology and Health, FASA, University of Dschang, P.O. Box 222, Dschang, Cameroon
| | - Donatien Gatsing
- Laboratory of Microbiology and Antimicrobial Substances, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
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Ovenden SPB, Cobbe M, Kissell R, Birrell GW, Chavchich M, Edstein MD. Phenolic glycosides with antimalarial activity from Grevillea "Poorinda Queen". JOURNAL OF NATURAL PRODUCTS 2011; 74:74-78. [PMID: 21155593 DOI: 10.1021/np100737q] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
In search of new antimalarial compounds, three new phenolic glycosides, robustasides E (1), F (2), and G (3), in addition to the known compounds robustaside D (4) and quercetin-7-O-[α-l-rhamnopyranosyl(1→6)-β-d-galactopyranoside] (5), were identified during chemical investigations of the MeOH extract from the leaves and twigs of Grevillea "Poorinda Queen". The chemical structures of the new compounds were elucidated through 2D NMR spectroscopy, while the absolute configuration of the sugar was elucidated through chemical degradation and comparison with an authentic standard. Discussed in detail are the isolation and structure elucidation of 1-3, as well as the associated in vitro anitmalarial activities for 1-5. Also discussed are the in vivo anitmalarial and in vitro cytotoxic activities for 1, 3, and 4.
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Affiliation(s)
- Simon P B Ovenden
- Defence Science and Technology Organisation, 506 Lorimer Street, Fishermans Bend, Victoria, 3207, Australia.
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Sureshan KM, Murakami T, Watanabe Y. Total syntheses of cyclitol based natural products from myo-inositol: brahol and pinpollitol. Tetrahedron 2009. [DOI: 10.1016/j.tet.2009.03.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Veitch NC, Grayer RJ. Flavonoids and their glycosides, including anthocyanins. Nat Prod Rep 2008; 25:555-611. [DOI: 10.1039/b718040n] [Citation(s) in RCA: 216] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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