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Orabi MAA, Abdelhamid RA, Elimam H, Elshaier YAMM, Ali AA, Aldabaan N, Alhasaniah AH, Refaey MS. Furofuranoid-Type Lignans and Related Phenolics from Anisacanthus virgularis (Salisb.) Nees with Promising Anticholinesterase and Anti-Ageing Properties: A Study Supported by Molecular Modelling. PLANTS (BASEL, SWITZERLAND) 2024; 13:150. [PMID: 38256704 PMCID: PMC10820861 DOI: 10.3390/plants13020150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/23/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024]
Abstract
Lignan phytomolecules demonstrate promising anti-Alzheimer activity by alleviating dementia and preserving nerve cells. The purpose of this work is to characterize the lignans of Anisacanthus virgularis and explore their potential anti-acetylcholinesterase and anti-ageing effects. Phytochemical investigation of A. virgularis aerial parts afforded a new furofuranoid-type lignan (1), four known structural analogues, namely pinoresinol (2), epipinoresinol (3), phillyrin (4), and pinoresinol 4-O-β-d-glucoside (5), in addition to p-methoxy-trans-methyl cinnamate (6) and 1H-indole-3-carboxaldehyde (7). The structures were established from thorough spectroscopic analyses and comparisons with the literature. Assessment of the anticholinesterase activity of the lignans 1-5 displayed noticeable enzyme inhibition of 1 (IC50 = 85.03 ± 4.26 nM) and 5 (64.47 ± 2.75 nM) but lower activity of compounds 2-4 as compared to the reference drug donepezil. These findings were further emphasized by molecular docking of 1 and 5 with acetylcholinesterase (AChE). Rapid overlay chemical similarity (ROCS) and structure-activity relationships (SAR) analysis highlighted and rationalized the anti-AD capability of these compounds. Telomerase activation testing of the same isolates revealed 1.64-, 1.66-, and 1.72-fold activations in cells treated with compounds 1, 5, and 4, respectively, compared to untreated cells. Our findings may pave the way for further investigations into the development of anti-Alzheimer and/or anti-ageing drugs from furofuranoid-type lignans.
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Affiliation(s)
- Mohamed A. A. Orabi
- Department of Pharmacognosy, College of Pharmacy, Najran University, Najran 66454, Saudi Arabia
| | - Reda A. Abdelhamid
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut-Branch, Assiut 71524, Egypt;
| | - Hanan Elimam
- Department of Biochemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt;
| | - Yaseen A. M. M. Elshaier
- Department of Organic and Medicinal Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt;
| | - Ahmed A. Ali
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt;
| | - Nayef Aldabaan
- Department of Pharmacology, College of Pharmacy, Najran University, Najran 66454, Saudi Arabia;
| | - Abdulaziz Hassan Alhasaniah
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran 66454, Saudi Arabia;
| | - Mohamed S. Refaey
- Department of Pharmacognosy, Faculty of Pharmacy, University of Sadat City, Sadat City 32958, Egypt
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2
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Li Z, Zheng Y, Liu K, Liang Y, Lu J, Li Q, Zhao B, Liu X, Li X. Lignans as multi-targeted natural products in neurodegenerative diseases and depression: Recent perspectives. Phytother Res 2023; 37:5599-5621. [PMID: 37669911 DOI: 10.1002/ptr.8003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 07/09/2023] [Accepted: 08/19/2023] [Indexed: 09/07/2023]
Abstract
As the global population ages, the treatment of neurodegenerative diseases is becoming more and more important. There is an urgent need to discover novel drugs that are effective in treating neurological diseases. In recent years, natural products and their biological activities have gained widespread attention. Lignans are a class of metabolites extensively present in Chinese herbal medicine and possess good pharmacological effects. Latest studies have demonstrated their neuroprotective pharmacological activity in preventing acute/chronic neurodegenerative diseases and depression. In this review, the pharmacological effects of these disorders, the pharmacokinetics, safety, and clinical trials of lignans were summarized according to the scientific literature. These results proved that lignans mainly exert antioxidant and anti-inflammatory activities. Anti-apoptosis, regulation of nervous system functions, and modulation of synaptic signals are also potential effects. Despite the substantial evidence of the neuroprotective potential of lignans, it is not sufficient to support their use in the clinical management. Our study suggests that lignans can be used as prospective agents for the treatment of neurodegenerative diseases and depression, with a view to informing their further development and utilization.
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Affiliation(s)
- Zhibei Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yu Zheng
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Kai Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Youdan Liang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jing Lu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qiuxia Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Bolin Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xing Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaofang Li
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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3
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Phytochemical and chemotaxonomic investigations on the aerial parts of Cynanchum auriculatum Royle ex Wight. BIOCHEM SYST ECOL 2023. [DOI: 10.1016/j.bse.2023.104609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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LIN T, CHEN XL, WU GW, SHA LJ, WANG J, HU ZX, LIU HC. A simple method for distinguishing Dendrobium devonianum and Dendrobium officinale by ultra performance liquid chromatography-photo diode array detector. FOOD SCIENCE AND TECHNOLOGY 2023. [DOI: 10.1590/fst.110122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Tao LIN
- Yunnan Academy of Agricultural Sciences, China
| | | | | | | | - Jing WANG
- Longling Agricultural Environmental Protection Monitoring Station, China
| | - Zheng-Xu HU
- Longling Agricultural Environmental Protection Monitoring Station, China
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5
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Zheng X, Wen R, Liu Y, Gan L, Zhang Q, Jiang Y, Tu P. Nitric oxide inhibitory phenolic constituents isolated from the roots and rhizomes of Notopterygium incisum. Bioorg Chem 2022; 128:106060. [DOI: 10.1016/j.bioorg.2022.106060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 07/23/2022] [Accepted: 07/23/2022] [Indexed: 11/28/2022]
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ALNasser MN, Mellor IR, Carter WG. A Preliminary Assessment of the Nutraceutical Potential of Acai Berry ( Euterpe sp.) as a Potential Natural Treatment for Alzheimer's Disease. Molecules 2022; 27:4891. [PMID: 35956841 PMCID: PMC9370152 DOI: 10.3390/molecules27154891] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 07/20/2022] [Accepted: 07/28/2022] [Indexed: 12/21/2022] Open
Abstract
Alzheimer's disease (AD) is characterised by progressive neuronal atrophy and the loss of neuronal function as a consequence of multiple pathomechanisms. Current AD treatments primarily operate at a symptomatic level to treat a cholinergic deficiency and can cause side effects. Hence, there is an unmet need for healthier lifestyles to reduce the likelihood of AD as well as improved treatments with fewer adverse reactions. Diets rich in phytochemicals may reduce neurodegenerative risk and limit disease progression. The native South American palm acai berry (Euterpe oleraceae) is a potential source of dietary phytochemicals beneficial to health. This study aimed to screen the nutraceutical potential of the acai berry, in the form of aqueous and ethanolic extracts, for the ability to inhibit acetyl- and butyryl-cholinesterase (ChE) enzymes and scavenge free radicals via 2,2-diphenyl-1-picryl-hydrazyl-hydrate (DPPH) or 2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS) assays. In addition, this study aimed to quantify the acai berry's antioxidant potential via hydrogen peroxide or hydroxyl scavenging, nitric oxide scavenging, lipid peroxidation inhibition, and the ability to reduce ferric ions. Total polyphenol and flavonoid contents were also determined. Acai aqueous extract displayed a concentration-dependent inhibition of acetyl- and butyryl-cholinesterase enzymes. Both acai extracts displayed useful concentration-dependent free radical scavenging and antioxidant abilities, with the acai ethanolic extract being the most potent antioxidant and displaying the highest phenolic and flavonoid contents. In summary, extracts of the acai berry contain nutraceutical components with anti-cholinesterase and antioxidant capabilities and may therefore provide a beneficial dietary component that limits the pathological deficits evidenced in AD.
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Affiliation(s)
- Maryam N. ALNasser
- Department of Biological Sciences, College of Science, King Faisal University, P.O. Box No. 400, Al-Ahsa 31982, Saudi Arabia;
- School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK;
- School of Medicine, Royal Derby Hospital Centre, University of Nottingham, Derby DE22 3DT, UK
| | - Ian R. Mellor
- School of Life Sciences, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham NG7 2RD, UK;
| | - Wayne G. Carter
- School of Medicine, Royal Derby Hospital Centre, University of Nottingham, Derby DE22 3DT, UK
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Su B, Tian J, Liu M, Wang K, Yang W, Ning J, Li Y, Zheng G. Analysis of the chemical components of pomelo peels (Citrus grandis [L.] Osbeck) from different cultivars by using supercritical CO 2 fluid extraction and UHPLC-MS/MS. J Sep Sci 2022; 45:3031-3042. [PMID: 35608564 DOI: 10.1002/jssc.202200242] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/20/2022] [Accepted: 05/22/2022] [Indexed: 11/12/2022]
Abstract
Five pomelo cultivars (i.e., Citrus grandis cv. Shatianyou, Citrus grandis cv. Guanximiyou, Citrus grandis cv. Yuhuanyou, Citrus grandis cv. Duweiwendanyou and Citrus grandis cv. Liangpingyou) from different origins in China were selected to analyse their components by using supercritical CO2 fluid extraction coupled with ultra-high-performance liquid chromatography tandem mass spectrometry. A total of 45 compounds were identified in the supercritical CO2 fluid extracts of the pomelo peels from the five cultivars. These compounds included 8 flavonoids, 18 coumarins, 4 organic acids, 3 aldehydes and 12 other compounds, which were identified using the obtained MS data and by comparison with commercial standards, Orbitrap Chinese Traditional Medicine Library and previous literature. Twenty-five of the identified compounds were detected for the first time in the pomelo peel extracts. Results suggested that the pomelo peels of C. grandis cv. Shatianyou contained the most natural chemical compositions. The pooled result may offer a scientific evidence for further development and utilisation of pomelo peels and a route for screening appropriate varieties for various demands. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Boqing Su
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jingyuan Tian
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Mengshi Liu
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Kanghui Wang
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Wanling Yang
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Jinrong Ning
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Yongmei Li
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
| | - Guodong Zheng
- The Fifth Affiliated Hospital, Guangzhou Municipal and Guangdong Provincial Key Laboratory of Molecular Target & Clinical Pharmacology, the NMPA and State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences, Guangzhou Medical University, Guangzhou, 511436, China
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Zubair M, Nazir M, Saleem M, Raiz N, Touseef S, Khan S, Zengin G, Ehsan Mazhar M, Imran Tousif M. Chemodiversity, Biological Activities and Molecular Docking Studies of Leptadenia pyrotechnica (Forssk.) Decne: A Comprehensive Approach to Validate Its Medicinal Use. Chem Biodivers 2022; 19:e202100884. [PMID: 35307950 DOI: 10.1002/cbdv.202100884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 03/18/2022] [Indexed: 01/06/2023]
Abstract
Leptadenia pyrotechnica (Forssk.) Decne is growing in Cholistan desert, and is known for its laxative, analgesic, anabolic and astringent, antioxidant, anti-inflammatory, antibacterial, antitumor, hypolipidemic and antiatherosclerotic properties. The present study disclosed the metabolic picture of L. pyrotechnica and validates its folk uses. LP-H fraction constitute 25.79±0.11 mgGAE/g extract and 20.64±0.33 mgRE/g extract of phenolic and flavonoid content, respectively, followed by LP-E (23.15±0.33 mgGAE/g extract and 19.40±0.13 mgRE/g extract), however, LP-E exhibited the highest free radical scavenging (DPPH: 21.05±0.45mgTE/g and ABTS: 68.12±0.53 mgTE/g) and metal reducing (FRAP: 44.93±1.66, CUPRAC: 117.42±1.28 mgTE/g, respectively) activities. The total antioxidant capacity in Phosphomolybdenum assay (1.52±0.14 mmolTE/g) and ferrous ion chelating (11.57±0.29 mgEDTAE/g) activities were observed highest for LP-H extract. In cholinesterase's inhibitory assays, the LP-E and LP-W extracts exhibited inhibitory values as 2.43 and 2.40±0.07 mgGALAE/g extract, respectively against AChE, while against BChE the LP-H displayed the highest value as 5.98±0.44 mgGALAE/g extract. The LP-H fraction also showed the highest inhibition potential (7.72±0.14 mmol ACAE/g and 0.55±0.01 mmol ACAE/g, respectively) against α-glucosidase and α-amylase enzymes, while, in tyrosinase inhibitory assay, all the fractions exhibited significant activities in the range of 59.35±0.29 to 55.18±0.49 mgKAE/g extract. RP-UHPLC/MS analysis of LP-M disclosed the presence of 57 metabolites of various classes. A multivariate analysis and molecular docking study was also carried out to establish relationships between the metabolites and the biological activities, which finally validate the use of L. pyrotechnica as herbal medicine or component nutraceutical, food and cosmetic industry.
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Affiliation(s)
- Momina Zubair
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Mamona Nazir
- Department of Chemistry, Government Sadiq Women College University, Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Muhammad Saleem
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Naheed Raiz
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Saba Touseef
- Dr. Panjwani Center for Molecular Medicine and Drug Research., International Center for Chemical and Biological Sciences, University of Karachi, Karachi, Pakistan
| | - Saima Khan
- Division of Organic Chemistry, Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur, 63100, Bahawalpur, Pakistan
| | - Gokhan Zengin
- Selcuk University, Science Faculty, Department of Biology, Konya, Turkey
| | | | - Muhammad Imran Tousif
- Department of Chemistry, Division of Science and Technology, University of Education, Lahore, Pakistan
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Secoiridoid Glucosides and Anti-Inflammatory Constituents from the Stem Bark of Fraxinus chinensis. Molecules 2020; 25:molecules25245911. [PMID: 33327368 PMCID: PMC7764309 DOI: 10.3390/molecules25245911] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/09/2020] [Accepted: 12/09/2020] [Indexed: 12/14/2022] Open
Abstract
Qin Pi (Fraxinus chinensis Roxb.) is commercially used in healthcare products for the improvement of intestinal function and gouty arthritis in many countries. Three new secoiridoid glucosides, (8E)-4′′-O-methylligstroside (1), (8E)-4′′-O-methyldemethylligstroside (2), and 3′′,4′′-di-O-methyl-demethyloleuropein (3), have been isolated from the stem bark of Fraxinus chinensis, together with 23 known compounds (4–26). The structures of the new compounds were established by spectroscopic analyses (1D, 2D NMR, IR, UV, and HRESIMS). Among the isolated compounds, (8E)-4′′-O-methylligstroside (1), (8E)-4′′-O-methyldemethylligstroside (2), 3′′,4′′-di-O-methyldemethyloleuropein (3), oleuropein (6), aesculetin (9), isoscopoletin (11), aesculetin dimethyl ester (12), fraxetin (14), tyrosol (21), 4-hydroxyphenethyl acetate (22), and (+)-pinoresinol (24) exhibited inhibition (IC50 ≤ 7.65 μg/mL) of superoxide anion generation by human neutrophils in response to formyl-L-methionyl-L-leuckyl-L-phenylalanine/cytochalasin B (fMLP/CB). Compounds 1, 9, 11, 14, 21, and 22 inhibited fMLP/CB-induced elastase release with IC50 ≤ 3.23 μg/mL. In addition, compounds 2, 9, 11, 14, and 21 showed potent inhibition with IC50 values ≤ 27.11 μM, against lipopolysaccharide (LPS)-induced nitric oxide (NO) generation. The well-known proinflammatory cytokines, tumor necrosis factor-alpha (TNF-α) and interleukin 6 (IL-6), were also inhibited by compounds 1, 9, and 14. Compounds 1, 9, and 14 displayed an anti-inflammatory effect against NO, TNF-α, and IL-6 through the inhibition of activation of MAPKs and IκBα in LPS-activated macrophages. In addition, compounds 1, 9, and 14 stimulated anti-inflammatory M2 phenotype by elevating the expression of arginase 1 and Krüppel-like factor 4 (KLF4). The above results suggested that compounds 1, 9, and 14 could be considered as potential compounds for further development of NO production-targeted anti-inflammatory agents.
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Antidepressant and anti-amnesic effects of the aqueous lyophilisate of the leaves of Leptadenia arborea on an animal model of cognitive deficit associated depression. Biomed Pharmacother 2020; 130:110603. [PMID: 34321164 DOI: 10.1016/j.biopha.2020.110603] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/25/2020] [Accepted: 08/02/2020] [Indexed: 12/28/2022] Open
Abstract
Leptadenia arborea (Asclepiadaceae) is a plant used in traditional medicine to treat syphilis, migraine, and mental illnesses. The aim of our study was to investigate possible antidepressant and anti-amnesic effects of the aqueous lyophilisate of the leaves of Leptadenia arborea in an animal model of cognitive deficit associated depression. Swiss albino adult mice of both sexes were used for this study. A 14-day combined stress model was used to induce depression with early cognitive deficits. The forced swimming test, the open field test and plasma corticosterone level were used to assess antidepressant-like effect. The novel object recognition task (NORT), the Morris Water Maze (MWM) and neurochemical analysis of hippocampal acetylcholinesterase activity was also carried out to assess memory integrity. The aqueous lyophelisate of L. arborea increased swimming time and decreased immobility time in the forced swimming test. In the open field test they was no difference in the number of lines crossed between groups, and the lyophilisate-treated mice spent more time in the centre compared to the control. The lyophilisate decreased the plasma level of corticosterone compared to the control. The lyophilisate decreased the latency to reach the hidden platform and increased the time spent in the target quadrant in the MWM. The lyophilisate also increased the time of exploration of the novel object in the NORT and decreased the acetylcholinesterase activity in the hippocampus. L. arborea effects were decreased when it was co-administered with pCPA. Results suggest that the aqueous lyophilisate of the leaves of L. arborea possess antidepressant-like and anti-amnesic effects.
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Fu C, Liu M, Li Y, Wang K, Yang B, Deng L, Tian J, Yang G, Zheng G. UPLC-Q-Exactive Orbitrap MS Analysis for Identification of Lipophilic Components in Citri Sarcodactylis Fructus from Different Origins in China Using Supercritical CO 2 Fluid Extraction Method. ACS OMEGA 2020; 5:11013-11023. [PMID: 32455222 PMCID: PMC7241013 DOI: 10.1021/acsomega.0c00854] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/28/2020] [Indexed: 05/04/2023]
Abstract
To thoroughly evaluate the quality of Citri Sarcodactylis Fructus (CSF) and acquire knowledge of the lipophilic components of CSF from different origins, a simple and efficient approach based on supercritical fluid extraction (SFE) combined with ultraperformance liquid chromatography plus Q-Exactive Orbitrap tandem mass spectrometry (UPLC-Q-Exactive Orbitrap/MS) detection for the discrimination of components from CSF was set up for the first time in this work. Eight batches of CSF samples from five main producing areas were extracted by SFE under optimized conditions, and then SFE extracts were dissected via UPLC-Q-Exactive Orbitrap/MS. The results indicated that 39 lipophilic compounds were successfully separated and unambiguously or tentatively identified, where 4 coumarins, 6 polymethoxyflavones, 3 phthalides, 6 terpenes, and 4 phenolics were not reported formerly. It was illustrated that CSF may be abundant in polymethoxyflavones, as in coumarins. Moreover, there were significant differences in the components of CSF from different origins. Especially, coumarin, dehydrocostus lactone, atractylenolide II, and atractylenolide I were exclusively found in CSF from the Guangdong province; isopsoralen was almost exclusively found in CSF from the Guangxi province; and ferulic acid was exclusively found in CSF from the Zhejiang province. These observations indicated that SFE joint with UPLC-Q-Exactive Orbitrap/MS owing to the potential of characterizing the lipophilic components could be used to promote quality assessment and chemotaxonomic investigation in phytology sciences of CSF.
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Affiliation(s)
- Chengxiao Fu
- Center
of Clinical Pharmacology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, P. R. China
- Department
of Pharmacy, The First Affiliated Hospital
of University of South China, Hengyang 421001, Hunan, P. R. China
| | - Mengshi Liu
- Key
Laboratory of Molecular Target & Clinical Pharmacology and the
State Key Laboratory of Respiratory Disease, School of Pharmaceutical
Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, P. R. China
| | - Yueshan Li
- School
of Health and Wellness, Guangzhou Huaxia
Technical College, Guangzhou 510935, P. R. China
| | - Kanghui Wang
- Key
Laboratory of Molecular Target & Clinical Pharmacology and the
State Key Laboratory of Respiratory Disease, School of Pharmaceutical
Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, P. R. China
| | - Bo Yang
- Department
of Pharmacy, The First Affiliated Hospital
of University of South China, Hengyang 421001, Hunan, P. R. China
| | - Lijing Deng
- Department
of Pharmacy, The First Affiliated Hospital
of University of South China, Hengyang 421001, Hunan, P. R. China
| | - Jingyuan Tian
- Key
Laboratory of Molecular Target & Clinical Pharmacology and the
State Key Laboratory of Respiratory Disease, School of Pharmaceutical
Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, P. R. China
| | - Guoping Yang
- Center
of Clinical Pharmacology, The Third Xiangya Hospital, Central South University, Changsha 410013, Hunan, P. R. China
- . Phone/Fax: +86-0731-88618931
| | - Guodong Zheng
- Key
Laboratory of Molecular Target & Clinical Pharmacology and the
State Key Laboratory of Respiratory Disease, School of Pharmaceutical
Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, Guangdong, P. R. China
- . Phone/Fax: +86-020-37103256
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12
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Rocha MP, Campana PRV, Scoaris DDO, Almeida VLD, Lopes JCD, Shaw JMH, Silva CG. Combined In Vitro Studies and in Silico Target Fishing for the Evaluation of the Biological Activities of Diphylleia cymosa and Podophyllum hexandrum. Molecules 2018; 23:E3303. [PMID: 30551576 PMCID: PMC6321136 DOI: 10.3390/molecules23123303] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 12/06/2018] [Accepted: 12/10/2018] [Indexed: 11/17/2022] Open
Abstract
This paper reports the in silico prediction of biological activities of lignans from Diphylleia cymosa and Podophyllum hexandrum combined with an in vitro bioassays. The extracts from the leaves, roots and rhizomes of both species were evaluated for their antibacterial, anticholinesterasic, antioxidant and cytotoxic activities. A group of 27 lignans was selected for biological activities prediction using the Active-IT system with 1987 ligand-based bioactivity models. The in silico approach was properly validated and several ethnopharmacological uses and known biological activities were confirmed, whilst others should be investigated for new drugs with potential clinical use. The extracts from roots of D. cymosa and from rhizomes and roots of P. hexandrum were very effective against Bacillus cereus and Staphylococcus aureus, while podophyllotoxin inhibited the growth of Staphylococcus aureus and Escherichia coli. D. cymosa leaves and roots showed anticholinesterasic and antioxidant activities, respectively. The evaluated extracts showed to be moderately toxic to THP-1 cells. The chromatographic characterization indicated that podophyllotoxin was the major constituent of P. hexandrum extract while kaempferol and its hexoside were the main constituents of D. cymosa leaves and roots, respectively. These results suggest that the podophyllotoxin could be the major antibacterial lignan, while flavonoids could be responsible for the antioxidant activity.
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Affiliation(s)
- Marina Pereira Rocha
- Servico de Biotecnologia Vegetal, Fundacao Ezequiel Dias (FUNED), Belo Horizonte 30510-010, MG, Brazil.
- Departamento de Produtos Farmaceuticos FAFAR-UFMG, Belo Horizonte 31270-901, MG, Brazil.
| | - Priscilla Rodrigues Valadares Campana
- Departamento de Produtos Farmaceuticos FAFAR-UFMG, Belo Horizonte 31270-901, MG, Brazil.
- Servico de Fitoquimica e Prospeccao Farmaceutica, Fundacao Ezequiel Dias, Belo Horizonte 30510-010, MG, Brazil.
| | - Denise de Oliveira Scoaris
- Servico de Fitoquimica e Prospeccao Farmaceutica, Fundacao Ezequiel Dias, Belo Horizonte 30510-010, MG, Brazil.
| | - Vera Lucia de Almeida
- Servico de Fitoquimica e Prospeccao Farmaceutica, Fundacao Ezequiel Dias, Belo Horizonte 30510-010, MG, Brazil.
| | - Julio Cesar Dias Lopes
- Chemoinformatics Group (NEQUIM), Departamento de Quimica, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil.
| | - Julian Mark Hugh Shaw
- Science and Collections, Royal Horticultural Society, Wisley, Working, Surrey GU23 6QB, UK.
| | - Claudia Gontijo Silva
- Servico de Biotecnologia Vegetal, Fundacao Ezequiel Dias (FUNED), Belo Horizonte 30510-010, MG, Brazil.
- Servico de Fitoquimica e Prospeccao Farmaceutica, Fundacao Ezequiel Dias, Belo Horizonte 30510-010, MG, Brazil.
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Figueiredo-González M, Reboredo-Rodríguez P, González-Barreiro C, Simal-Gándara J, Valentão P, Carrasco-Pancorbo A, Andrade P, Cancho-Grande B. Evaluation of the neuroprotective and antidiabetic potential of phenol-rich extracts from virgin olive oils by in vitro assays. Food Res Int 2018; 106:558-567. [DOI: 10.1016/j.foodres.2018.01.026] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 01/09/2018] [Accepted: 01/12/2018] [Indexed: 12/17/2022]
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Figueiredo-González M, Reboredo-Rodríguez P, González-Barreiro C, Carrasco-Pancorbo A, Simal-Gándara J, Cancho-Grande B. Nutraceutical Potential of Phenolics from 'Brava' and 'Mansa' Extra-Virgin Olive Oils on the Inhibition of Enzymes Associated to Neurodegenerative Disorders in Comparison with Those of 'Picual' and 'Cornicabra'. Molecules 2018; 23:E722. [PMID: 29561824 PMCID: PMC6017695 DOI: 10.3390/molecules23040722] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 03/15/2018] [Accepted: 03/19/2018] [Indexed: 02/06/2023] Open
Abstract
The increasing interest in the Mediterranean diet is based on the protective effects against several diseases, including neurodegenerative disorders. Polyphenol-rich functional foods have been proposed to be unique supplementary and nutraceutical treatments for these disorders. Extra-virgin olive oils (EVOOs) obtained from 'Brava' and 'Mansa', varieties recently identified from Galicia (northwestern Spain), were selected for in vitro screening to evaluate their capacity to inhibit key enzymes involved in Alzheimer's disease (AD) (acetylcholinesterase (AChE), butyrylcholinesterase (BuChE) and 5-lipoxygenase (5-LOX)), major depressive disorder (MDD) and Parkinson's disease (PD) (monoamine oxidases: hMAO-A and hMAO-B respectively). 'Brava' oil exhibited the best inhibitory activity against all enzymes, when they are compared to 'Mansa' oil: BuChE (IC50 = 245 ± 5 and 591 ± 23 mg·mL-1), 5-LOX (IC50 = 45 ± 7 and 106 ± 14 mg·mL-1), hMAO-A (IC50 = 30 ± 1 and 72 ± 10 mg·mL-1) and hMAO-B (IC50 = 191 ± 8 and 208 ± 14 mg·mL-1), respectively. The inhibitory capacity of the phenolic extracts could be associated with the content of secoiridoids, lignans and phenolic acids.
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Affiliation(s)
- María Figueiredo-González
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Orense, Spain.
| | - Patricia Reboredo-Rodríguez
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Orense, Spain.
- Dipartimento di Scienze Cliniche Specialistiche ed Odontostomatologiche (DISCO)-Sez. Biochimica, Facoltà di Medicina, Università Politecnica delle Marche, Via Ranieri 65, 60131 Ancona, Italy.
| | - Carmen González-Barreiro
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Orense, Spain.
| | - Alegría Carrasco-Pancorbo
- Department of Analytical Chemistry, Faculty of Science, University of Granada, Ave. Fuentenueva s/n, 18071 Granada, Spain.
| | - Jesús Simal-Gándara
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Orense, Spain.
| | - Beatriz Cancho-Grande
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Orense, Spain.
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Antibacterial activity and mechanism of pinoresinol from Cinnamomum Camphora leaves against food-related bacteria. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.03.041] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Suleiman MHA. An ethnobotanical survey of medicinal plants used by communities of Northern Kordofan region, Sudan. JOURNAL OF ETHNOPHARMACOLOGY 2015; 176:232-42. [PMID: 26519203 DOI: 10.1016/j.jep.2015.10.039] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Revised: 10/19/2015] [Accepted: 10/26/2015] [Indexed: 05/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The present study provides significant ethnopharmacological information on plant species used in North Kordofan region, western Sudan. The study was undertaken with an aim to document the medicinal uses of the species known to some Northern Kordofan communities. MATERIAL AND METHODS The study was conducted between 2012 and 2013. The plants were identified and voucher specimens prepared. Information was collected by means of semi-structured interviews with 258 informants (195 men and 63 women). In addition, the use value (UV) of the species was determined and the informant consensus factor (ICF) was calculated for the medicinal plants researched in the study. Further analysis was carried out to compare results with previous studies from the study area and other regions of Sudan. RESULTS A total of 44 plant species representing 24 families were found to be commonly used in the treatment of 73 different human health problems. The families most represented were Leguminosae (18%), Caesalpiniaceae (9%), Malvaceae (9%), Asclepiadaceae (6.8%) and Combretaceae (6.8%). The highest number of plant species are used against digestive system disorders (23 species) followed by microbial infections (21 species) and dermatology (19 species). Among all the plant parts leaves (20%), roots (19%), fruits and bark (14% each) were the most preferred plant parts used by the informants. There was strong agreement among the informants as to the usages of the plants (informant consensus factor 0.63-0.93). The most important plants on the basis of use-value were Acacia nilotica, Acacia seyal, Balanites aegyptiaca, Cassia occidentalis, Cassia senna, Guiera senegalensis and Tamarindus indica. CONCLUSION This study has helped to document information that may otherwise be lost to future generations. This is the first ethnobotanical study in which statistical calculations about plants are carried out by means of the ICF and UV methods in the study area. Plants with high ICF and UV values should be subjected for further phytochemical and pharmacological investigation for scientific validation.
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Shi YN, Shi YM, Yang L, Li XC, Zhao JH, Qu Y, Zhu HT, Wang D, Cheng RR, Yang CR, Xu M, Zhang YJ. Lignans and aromatic glycosides from Piper wallichii and their antithrombotic activities. JOURNAL OF ETHNOPHARMACOLOGY 2015; 162:87-96. [PMID: 25555357 DOI: 10.1016/j.jep.2014.12.038] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Revised: 11/03/2014] [Accepted: 12/23/2014] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Piper wallichii (Miq.) Hand.-Mazz. is a medicinal plant used widely for the treatment of rheumatoid arthritis, inflammatory diseases, cerebral infarction and angina in China. Previous study showed that lignans and neolignans from Piper spp. had potential inhibitory activities on platelet aggregation. In the present study, we investigated the chemical constituents of Piper wallichii and their antithrombotic activities, to support its traditional uses. MATERIALS AND METHODS The methanolic extract of the air-dried stems of Piper wallichii was separated and purified using various chromatographic methods, including semi-preparative HPLC. The chemical structures of the isolates were determined by detailed spectroscopic analysis, and acidic hydrolysis in case of the new glycoside 2. Determination of absolute configurations of the new compound 1 was facilitated by calculated electronic circular dichroism using time-dependent density-functional theory. All compounds were tested for their inhibitory effects on platelet aggregation induced by platelet activating factor (PAF) in rabbits׳ blood model, from which the active ones were further evaluated the in vivo antithrombotic activity in zebrafish model. RESULTS A new neolignan, piperwalliol A (1), and four new aromatic glycosides, piperwalliosides A-D (2-5) were isolated from the stems of Piper wallichii, along with 25 known compounds, including 13 lignans, six aromatic glycosides, two phenylpropyl aldehydes, and four biphenyls. Five known compounds (6-10) showed in vitro antiplatelet aggregation activities. Among them, (-)-syringaresinol (6) was the most active compound with an IC50 value of 0.52 mM. It is noted that in zebrafish model, the known lignan 6 showed good in vivo antithrombotic effect with a value of 37% at a concentration of 30 μM, compared with the positive control aspirin with the inhibitory value of 74% at a concentration of 125μM. CONCLUSION This study demonstrated that lignans, phenylpropanoid and biphenyl found in Piper wallichii may be responsible for antithrombotic effect of the titled plant.
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Affiliation(s)
- Yan-Ni Shi
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People׳s Republic of China
| | - Yi-Ming Shi
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People׳s Republic of China
| | - Lian Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Xing-Cong Li
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, MS 38677, United States
| | - Jin-Hua Zhao
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Yan Qu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Hong-Tao Zhu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Dong Wang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Rong-Rong Cheng
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Chong-Ren Yang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China
| | - Min Xu
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China.
| | - Ying-Jun Zhang
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, People׳s Republic of China.
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Mai DT, Le TD, Nguyen TP, Phan NM, Nguyen HA, Nguyen TTP, Tran LQ. A new aldehyde compound from the fruit ofPandanus tectoriusParkinson ex Du Roi. Nat Prod Res 2015; 29:1437-41. [DOI: 10.1080/14786419.2014.1003929] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Alamzeb M, Khan MR, Mamoon-Ur-Rashid, Ali S, Khan AA. Isolation, structure elucidation and enzyme inhibition studies of a new hydroxy ester and other compounds fromBerberis jaeschkeanaSchneid stem. Nat Prod Res 2015; 29:1664-9. [DOI: 10.1080/14786419.2014.1000321] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Kadiyala M, Ponnusankar S, Elango K. Screening of siddha medicinal plants for its in-vitro acetylcholinesterase and butyrylcholinesterase inhibitory activity. Pharmacogn Mag 2014; 10:S294-8. [PMID: 24991106 PMCID: PMC4078355 DOI: 10.4103/0973-1296.133281] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2013] [Revised: 09/25/2013] [Accepted: 05/28/2014] [Indexed: 11/29/2022] Open
Abstract
Background: The plants selected for the study were traditionally used in siddha system of medicine in neurological disorders. Aim: The aim of the following study isto screen the plant species for both acetylcholinesterase (AchE) and butyrylcholinesterase (BuchE) inhibition by in-vitro Ellman's method and a thin layer chromatography bioautographic assay for newer drug candidates for the treatment of Alzheimer's disease. Materials and Methods: Ellman's colorimetric method was performed in a 96 well micro plate for cholinesterases inhibition using galantamine as standard drug. Results: Present studies confirmed that out of all the tested extracts Hemidesmus indicus R.Br (HI) showed considerable IC50 values for AchE (28.40 ± 0.92 μg/mL) and BuchE (43.47 ± 0.64 μg/mL) inhibition which indicates that HI extract has considerable specificity toward AchE and BuchE compared with all the tested extracts and the activity was followed by Vernonia anthelmintica (VA) Willd and Saussurea lappa Clarke (SL). The bioautograms also confirmed the activity potent extracts. Conclusion: Besides various bioactivities HI, VA and SL exhibited considerable cholinesterases inhibition making it to consider these species for further investigation of new compounds.
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Affiliation(s)
- Madhuri Kadiyala
- Department of Pharmacology, JSS College of Pharmacy, Udhagamandalam, The Nilgiris, Tamil Nadu, India
| | - Sivasankaran Ponnusankar
- Department of Pharmacy Practice, JSS College of Pharmacy, Udhagamandalam, The Nilgiris, Tamil Nadu, India
| | - Kannan Elango
- Department of Pharmacology, JSS College of Pharmacy, Udhagamandalam, The Nilgiris, Tamil Nadu, India
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Kuanhut W, Aree T, Pornpakakul S, Sawasdee P. Novel Cucurbitane Triterpenoids and Anti-cholinesterase Activities of Constituents from Momordica charantia L. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400900609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The C-19 epimers of 5β,19-epoxycucurbita-6,23( E),25(26)-triene-3β,19-diol (1) and 5β,19-epoxy-25-methoxycucurbita-6,23-diene-3β,19-diol (2) along with (19 R, 23 E)-5β,19-epoxy-19-methoxycucurbita-6,23,25-trien-3β-ol (3), (23 E)-5β,19-epoxycucurbita-6,23-diene-3β,25-diol (4), ligballinol (5), charantin (6) and momordicoside K (7) were isolated from the green fruits of Momordica charantia. The ( S)-epimers of 1 and 2 are the first reports in nature. The acetyl- and butyryl-cholinesterase inhibitory activities of the isolated compounds were evaluated, and 5 showed the highest activity of these compounds against butyrylcholinesterase (IC50 = 32.20 μM) with a reversible and non-competitive inhibition mode.
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Affiliation(s)
- Wichuta Kuanhut
- Natural Products Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Thammarat Aree
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Surachai Pornpakakul
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Pattara Sawasdee
- Natural Products Research Unit, Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
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Okusa PN, Stévigny C, Névraumont M, Gelbcke M, Van Anrwerpen P, Braekman JC, Duez P. Ferulaldehyde and Lupeol as Direct and Indirect Antimicrobial Compounds from Cordia gilletii (Boraginaceae) Root Barks. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400900506] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Cordia gilletii De Wild (Boraginaceae), a medicinal plant used against infectious diseases in the Democratic Republic of Congo, was investigated for direct and indirect antimicrobial properties. On one hand, the methanol extract is active against many pathogenic bacteria, including resistant strains. Its bio-guided fractionation led to the isolation of ferulaldehyde; this compound showed antimicrobial and antioxidant properties that may support the activity we observed for the methanol extract and some of the traditional uses of C. gilletii. On the other hand, the n-hexane extract of root barks possesses indirect antimicrobial properties, enhancing the activity of antibiotics against methicillin-resistant Staphylococcus aureus (MRSA). The fractionation of this extract led to the isolation of lupeol, which decreases the minimum inhibitory concentration of several antibiotics (4 to 8 fold) against MRSA and contributes to the effects observed for the raw n-hexane extract.
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Affiliation(s)
- Philippe N. Okusa
- Laboratoire de Pharmacognosie, de Bromatologie et de Nutrition Humaine, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
- Service de Chimie Thérapeutique et Pharmacognosie, Faculté de Médecine et de Pharmacie, Université de Mons, 20 Place du Parc, 7000 Mons, Belgium
| | - Caroline Stévigny
- Laboratoire de Pharmacognosie, de Bromatologie et de Nutrition Humaine, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
| | - Marie Névraumont
- Laboratoire de Pharmacognosie, de Bromatologie et de Nutrition Humaine, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
| | - Michel Gelbcke
- Laboratoire de Chimie Pharmaceutique Organique, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
| | - Pierre Van Anrwerpen
- Laboratoire de Chimie Pharmaceutique Organique, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
| | - Jean Claude Braekman
- Laboratoire de Pharmacognosie, de Bromatologie et de Nutrition Humaine, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
| | - Pierre Duez
- Laboratoire de Pharmacognosie, de Bromatologie et de Nutrition Humaine, Faculté de Pharmacie, Université Libre de Bruxelles, CP 205/09, Bld du Triomphe, 1050 Brussels, Belgium
- Service de Chimie Thérapeutique et Pharmacognosie, Faculté de Médecine et de Pharmacie, Université de Mons, 20 Place du Parc, 7000 Mons, Belgium
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Valuing the Endangered Species Antirrhinum lopesianum: Neuroprotective Activities and Strategies for in vitro Plant Propagation. Antioxidants (Basel) 2013; 2:273-92. [PMID: 26784465 PMCID: PMC4665522 DOI: 10.3390/antiox2040273] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Revised: 09/22/2013] [Accepted: 10/12/2013] [Indexed: 01/05/2023] Open
Abstract
Plant phytochemicals are described as possessing considerable neuroprotective properties, due to radical scavenging capacity and acetylcholinesterase inhibitory activity, important bioactivities in neurodegeneration. Antirrhinum lopesianum is a rare endemism from the Iberian Peninsula, occurring at the northeastern border between Portugal and Spain. It is classified as Endangered, due to its highly fragmented geographical occupation, facing a high risk of extinction in the Portuguese territory, within 20 years. Here, we describe for the first time the chemical characterization of extracts of the species concerning total phenol content, flavonoid content and antioxidant properties. The profile of high performance liquid chromatography with diode array detector (HPLC-DAD) of the polyphenol-enriched fraction of plant extracts was also performed, showing the great potential of the species as a source of bioactive phytochemical compounds. A. lopesianum’s potential for neuroprotection was revealed by a significant acetylcholinesterase inhibitory activity and also by a neuroprotective effect on a human cell model of neurodegeneration. Moreover, this is the first report describing a successful procedure for the in vitro propagation of this endangered species. The comparison of phenolic content and the HPLC-DAD profile of wild and in vitro propagated plants revealed that in vitro plants maintain the ability to produce secondary metabolites, but the profiles are differentially affected by the growth regulators. The results presented here greatly contribute to the value for this species regarding its potential as a source of phytochemicals with prospective neuroprotective health benefits.
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Tavares L, McDougall GJ, Fortalezas S, Stewart D, Ferreira RB, Santos CN. The neuroprotective potential of phenolic-enriched fractions from four Juniperus species found in Portugal. Food Chem 2012; 135:562-70. [PMID: 22868129 DOI: 10.1016/j.foodchem.2012.05.023] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Revised: 03/27/2012] [Accepted: 05/01/2012] [Indexed: 11/25/2022]
Abstract
The increase in population lifespan has enhanced the incidence of neurodegenerative diseases, for which there is, as yet, no cure. We aimed to chemically characterize phenolic-enriched fractions (PEFs) from four wild Juniperus sp. found in Portugal (Juniperus navicularis, Juniperus oxycedrus badia, Juniperus phoenicea and Juniperus turbinata) and address their potential as sources of natural products for treatment of neurodegenerative diseases. Leaves from the four Juniperus sp. evaluated contained a range of phenolic components which differed quantitatively between the species. The PEFs obtained were rich sources of phenolic compounds, exhibited acetylcholinesterase (AChE) inhibitory activity and also displayed effective intracellular radical scavenging properties in neurons submitted to oxidative injury but showed a different order of effectiveness compared to AChE inhibition. These properties made them good candidates for testing in a neurodegeneration cell model. Pre-incubation with J. oxycedrus badia PEF for 24h protected neurons from injury in the neurodegeneration cell model.
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Affiliation(s)
- Lucélia Tavares
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal.
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Tavares L, Fortalezas S, Tyagi M, Barata D, Serra AT, Duarte CMM, Duarte RO, Feliciano RP, Bronze MR, Espírito-Santo MD, Ferreira RB, Santos CN. Bioactive compounds from endemic plants of Southwest Portugal: inhibition of acetylcholinesterase and radical scavenging activities. PHARMACEUTICAL BIOLOGY 2012; 50:239-246. [PMID: 22074503 DOI: 10.3109/13880209.2011.596209] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
CONTEXT Natural products are reported to have substantial neuroprotective activity due to their radical scavenging capacity, and also acetylcholinesterase (AChE) inhibitory capacity, both activities important in neurodegeneration. OBJECTIVE The undesirable side effects of compounds in pharmacological use make it important to identify natural neuroprotective molecules. This work assesses the potential of five endemic Portuguese plants as sources of neuroprotective compounds. MATERIALS AND METHODS Antioxidant capacity for peroxyl radical was determined by Oxygen Radical Absorbance Capacity method and for hydroxyl by Electron Paramagnetic Resonance, as well as AChE inhibitory capacity of the plant hydroethanolic extracts. The molecules responsible for these valuable properties were also tentatively identified by HPLC. RESULTS AND DISCUSSION Armeria rouyana and Thymus capitellatus presented some of the highest phenolic contents (76.60 ± 7.19 and 12.82 ± 0.24 mg GAE g−1 dw, respectively) and antioxidant capacities (592 ± 116 and 449 ± 57 μmol TE g−1 dw, respectively). The flavonoids were identified as the phytomolecules related to the antioxidant capacity of these plant extracts; in the case of A. rouyana, l-ascorbic acid also made an important contribution (3.27 ± 0.26 mg g−1 dw). Plant extracts clearly demonstrated effective AChE inhibitory activity (480 ± 98 and 490 ± 46 μg mL−1, respectively), that could be associated to polyphenols. CONCLUSIONS The extracts of A. rouyana and T. capitellatus and their active components, especially polyphenols, demonstrate interesting neuroprotective potential. They, therefore, deserve further study as their phytomolecules are promising sources of either natural neuroprotective products and/or novel lead compounds.
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Affiliation(s)
- Lucélia Tavares
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, 2780-157 Oeiras, Portugal
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Carpinella MC, Andrione DG, Ruiz G, Palacios SM. Screening for acetylcholinesterase inhibitory activity in plant extracts from Argentina. Phytother Res 2010; 24:259-63. [PMID: 19585484 DOI: 10.1002/ptr.2923] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Plants are a potential source of bioactive compounds and offer a promising strategy for the treatment of neurological disorders such as Alzheimer's disease. The inhibitory effect of 73 native and naturalized plants collected from the central region of Argentina on acetylcholinesterase (AChE) was tested using microplate and TLC assays after solvent fractionation of complete ethanol extracts obtained from the plants. Organic fractions obtained from extracts of Achyrocline tomentosa (Asteraceae), Eupatorium viscidum (Asteraceae), Ruprechtia apetala (Polygonaceae) Trichocline reptans (Asteraceae) and Zanthoxylum coco (Rutaceae) presented strong inhibition of AChE (higher than 80%) at 1 mg/mL, with R. apetala and T. reptans being the most potent, showing complete inhibition of the enzyme. Their IC(50) values were 0.0779 and 0.1118 mg/mL, respectively. Aqueous fractions did not show any inhibitory activity on the enzyme. These results suggest that the most effective extracts deserve further investigation with the aim of obtaining new molecules for the treatment of neurodegenerative disorders.
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Affiliation(s)
- María C Carpinella
- Fine Chemical and Natural Products Laboratory, School of Chemistry, Catholic University of Córdoba, Córdoba, Argentina.
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Moustafa AMY, . AIK, . MAS. Phytochemical Investigation and Toxicological Studies of Lipid Constituents Isolated from Leptadenia pyrotechnica. ACTA ACUST UNITED AC 2007. [DOI: 10.3923/jpt.2007.681.697] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Al-Fatimi M, Wurster M, Schröder G, Lindequist U. Antioxidant, antimicrobial and cytotoxic activities of selected medicinal plants from Yemen. JOURNAL OF ETHNOPHARMACOLOGY 2007; 111:657-66. [PMID: 17306942 DOI: 10.1016/j.jep.2007.01.018] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2006] [Revised: 01/09/2007] [Accepted: 01/13/2007] [Indexed: 05/14/2023]
Abstract
Ninety crude extracts, including dichloromethane, methanol and aqueous extracts from 30 medicinal plants used in the Yemeni ethnomedicine to treat common infections, were screened in vitro for antimicrobial activities against three Gram-positive bacteria and two Gram-negative bacteria, Candida maltosa and five opportunistic human fungal pathogens (two yeasts, three hyphomycetes). Most of the plants showed antibacterial activities. Extracts from Tamarindus indica flowers and Ficus vasta fruits have been the most active. Of the 30 plants tested, 13 showed antifungal activity (40%) against one ore more human pathogenic fungi. The strongest inhibition was exhibited by Azima tetracantha (fruits), Sansevieria ehrenbergii (fruits) and Solanum incanum (fruits). Ten methanol extracts, especially those of Acacia asak barks and Solanum nigrum fruits, showed effective free radical scavenging activities in the DPPH assay. Remarkable cytotoxic activity against FL-cells was shown only for five plants, among them Plicosepalus curviflorus (stems).
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Affiliation(s)
- Mohamed Al-Fatimi
- Faculty of Medicine and Health Sciences, Pharmacy Section, Department of Pharmacognosy, Aden University, Aden, Yemen
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Christophoridou S, Dais P, Tseng LH, Spraul M. Separation and identification of phenolic compounds in olive oil by coupling high-performance liquid chromatography with postcolumn solid-phase extraction to nuclear magnetic resonance spectroscopy (LC-SPE-NMR). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2005; 53:4667-79. [PMID: 15941298 DOI: 10.1021/jf040466r] [Citation(s) in RCA: 125] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
This study reports the first application of the hyphenated LC-SPE-NMR technique using postcolumn solid-phase extraction to the direct analysis of phenolic compounds in the polar part of olive oil. Apart from the identification and structure elucidation of simple phenols (hydroxytyrosol, tyrosol, vanillic acid, vanillin, p-coumaric acid, hydroxytyrosol, and tyrosol acetates), lignans (pinoresinol and 1-acetoxypinoresinol), flavonoids (apigenin and luteolin), and a large number of secoiridoid derivatives, this technique enables the identification of several new phenolic components, which had not been reported previously as constituents in the polar part of olive oil.
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Affiliation(s)
- Stella Christophoridou
- NMR Laboratory, Department of Chemistry, University of Crete, 71409 Iraklion, Crete, Greece
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Malarz J, Stojakowska A, Szneler E, Kisiel W. Furofuran lignans from a callus culture of Cichorium intybus. PLANT CELL REPORTS 2005; 24:246-9. [PMID: 15809887 DOI: 10.1007/s00299-005-0953-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2005] [Revised: 02/28/2005] [Accepted: 03/02/2005] [Indexed: 05/24/2023]
Abstract
Three new and one known furofuran lignans--syringaresinol derivatives--along with the known phenylpropanoids cichoriin and syringin were isolated from a callus tissue of Cichorium intybus. The compounds were characterised by spectral methods. This is the first report on the presence of furofuran lignans in Cichorium species.
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Affiliation(s)
- J Malarz
- Department of Phytochemistry, Institute of Pharmacology, Polish Academy of Sciences, Smetna 12, 31-343 Krakow, Poland.
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