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Silva VBD, Almeida-Bezerra JW, Pereira RLS, Alcântara BMD, Furlan CM, Coelho JJ, Coutinho HDM, Morais-Braga MFB, Oliveira AFMD. Chemical composition, antibacterial potential, and toxicity of the extracts from the stem bark of Hancornia speciosa Gomes (Apocynaceae). JOURNAL OF ETHNOPHARMACOLOGY 2024; 335:118631. [PMID: 39067831 DOI: 10.1016/j.jep.2024.118631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/15/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Hancornia speciosa is a medicinal plant popularly used to treat different medical issues, including infectious diseases. Exploring the therapeutic potentialities of the extracts from medicinal plants combined with conventional antibiotic drugs is a promising horizon, especially considering the rising microbial resistance. AIM OF THE STUDY This study aimed to characterize the chemical composition of the ethereal (EEHS) and methanolic (MEHS) extracts of the stem bark of H. speciosa, and also evaluate their antibacterial and drug-modifying activity, and toxicity. MATERIALS AND METHODS The extracts were characterized by gas chromatography coupled to mass spectrometry (GC-MS). Additionally, total phenol and flavonoid contents were determined. The antibacterial and antibiotic-modifying activity was evaluated against strains of Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa using the serial microdilution method, obtaining the minimum inhibitory concentration (MIC). The toxicity assay was carried out using the Drosophila melanogaster model. RESULTS Thirty compounds were identified in the extracts of the stem bark of H. speciosa, with triterpenoids being predominant in both extracts. Additionally, fatty alcohols, carbohydrates, fatty acids, phenolic acids, and phytosterols were identified in both extracts. EEHS and MEHS extracts had considerable phenol contents (346.4 and 340.0 mg GAE/g, respectively). Flavonoids were detected in a lower proportion (7.6 and 6.9 mg QE/g, respectively). H. speciosa extracts did not display intrinsic antibacterial activity against the bacterial strains evaluated, however, they were capable of modifying the activity of gentamicin, erythromycin, and norfloxacin. EEHS increased the efficacy of norfloxacin against E. coli and S. aureus, reducing MIC values by 50%. MEHS potentiated the action of gentamicin against all bacterial strains, especially against E. coli. The extracts did not display toxicity at clinically relevant concentrations against D. melanogaster. CONCLUSION The stem bark of H. speciosa was considered a rich source of bioactive compounds. Our findings evidenced the therapeutic potential of H. speciosa extracts for the development of new pharmaceutical therapeutics against bacteria. Although the extracts did not exhibit intrinsic antibacterial activity, they enhanced the efficacy of commercial antibiotic drugs and were non-toxic at clinically relevant concentrations. Future studies are needed to elucidate the mechanisms of action of these extracts, ensuring their safety and efficacy.
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Affiliation(s)
- Viviane Bezerra da Silva
- Departamento de Botânica, Universidade Federal de Pernambuco - UFPE, Rua Professor Moraes Rego, s/n, Recife, Pernambuco, 50.670-901, Brazil.
| | - José Weverton Almeida-Bezerra
- Departamento de Ciências Biológicas, Universidade Regional do Cariri - URCA, Rua Cel. Antônio Luiz, 1161, Crato, Ceará, 63.105-000, Brazil
| | - Raimundo Luiz Silva Pereira
- Departamento de Ciências Biológicas, Universidade Regional do Cariri - URCA, Rua Cel. Antônio Luiz, 1161, Crato, Ceará, 63.105-000, Brazil
| | - Bruno Melo de Alcântara
- Departamento de Ciências Biológicas, Universidade Regional do Cariri - URCA, Rua Cel. Antônio Luiz, 1161, Crato, Ceará, 63.105-000, Brazil
| | - Cláudia Maria Furlan
- Departamento de Botânica, Instituto de Biociências, Universidade de São Paulo, Rua do Matão, 277, São Paulo, 05508-090, Brazil
| | - Janerson José Coelho
- Universidade Estadual do Ceará - UECE, Faculdade de Educação, Ciências e Letras dos Inhamuns - CECITEC, Tauá, 63660-000, Ceará, Brazil
| | - Henrique Douglas Melo Coutinho
- Departamento de Química Biológica, Universidade Regional do Cariri - URCA, Rua Cel. Antônio Luiz, 1161, Crato, Ceará, 63.105-000, Brazil
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Hassan A, Zaib S, Anjum T. Evaluation of antifungal potentials of Albizia kalkora extract as a natural fungicide: In vitro and computational studies. Bioorg Chem 2024; 150:107561. [PMID: 38936050 DOI: 10.1016/j.bioorg.2024.107561] [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: 05/20/2024] [Revised: 06/11/2024] [Accepted: 06/12/2024] [Indexed: 06/29/2024]
Abstract
The antifungal bioactivity potential of the organic extract of silk tree (Albizia kalkora) was investigated in the current study. The crude extracts of A. kalkora and methanol, n-hexane, chloroform, and ethyl acetate fractions were prepared. The antifungal activity of obtained fractions of A. kalkora was studied at different concentrations ranging from 0.39-50 µg/mL. Dimethyl sulfoxide (DMSO) was taken as a toxicity control, whereas thiophanate methyl (TM) as a positive control. All the fractions significantly reduced the FOL growth (methanolic: 9.49-94.93 %, n-hexane: 11.12-100 %, chloroform: 20.96-91.41 %, and ethyl acetate: 18.75-96.70 %). The n-hexane fraction showed 6.25 µg/mL MIC as compared to TM with 64 µg/mL MIC. The non-polar (n-hexane) fraction showed maximum antifungal bioactivity against FOL in comparison with chloroform, methanol, and ethyl acetate fractions. GC/MS analysis exhibited that the n-hexane fraction contained hexadecanoic acid, 9,12,15-octadecatrienoic acid, 9,12-octadecadienoic acid, bis(2-ethylhexyl) phthalate, methyl stearate, and [1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylic acid. The results of in vitro antifungal inhibition were further reinforced by molecular docking analysis. Five virulence proteins of FOL i.e., pH-responsive PacC transcription factor (PACC), MeaB, TOR; target of rapamycin (FMK1), Signal transducing MAP kinase kinase (STE-STE7), and High Osmolarity Glycerol 1(HOG1) were docked with identified phytocompounds in the n-hexane fraction by GC/MS analysis. MEAB showed maximum binding affinities with zinnimide (-12.03 kcal/mol), HOG1 and FMK1with α-Tocospiro-B (-11.51 kcal/mol) and (-10.55 kcal/mol) respectively, STE-STE7 with docosanoic acid (-11.31 kcal/mol), and PACC with heptadecanoic acid (-9.88 kcal/mol) respectively with strong hydrophobic or hydrophilic interactions with active pocket residues. In conclusion, the n-hexane fraction of the A. kalkora can be used to manage FOL.
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Affiliation(s)
- Ahmad Hassan
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore 54590, Pakistan
| | - Sumera Zaib
- Department of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore 54590, Pakistan.
| | - Tehmina Anjum
- Department of Plant Pathology, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54000, Pakistan
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Brindhadevi K, Subramanian SA, Kim PT, Wadaan MA, Selvam DR, Kim SJ. Antimicrobial and anti-diabetic efficiency of Polyalthia longifolia leaf extracts and major compounds characterization. ENVIRONMENTAL RESEARCH 2024; 246:118061. [PMID: 38157967 DOI: 10.1016/j.envres.2023.118061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 12/21/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
This research was performed to investigate the bactericidal and fungicidal competence of extracts (methanol and petroleum ether extract) of Polyalthia longifolia leaf. Moreover, the major active compounds present in the effective crude extract (either methanol or petroleum ether extract) was determined through initially with UV-Vis spectra, FTIR, and GC-MS analyses. The methanol extract alone showed remarkable bactericidal and fungicidal activity against the bacterial (S. pyogenes > E. coli > S. aureus > S. pneumoniae > C. difficile > P. aeruginosa) and fungal (A. clavatus > C. albicans > A. niger > A. fumigatus > C. tropicalis > C. auris) pathogens at increased concentration (12.5 mg mL-1) than petroleum ether extract. The MIC and MBC values of methanol extract were found as 10-20 mg mL-1 and 30-40 mg mL-1 respectively. The MFC value of methanol extract was found as 10-20 mg mL-1. These MIC, MBC, and MFC values of methanol extract were considerably greater than petroleum ether extract. The FTIR and GC-MS characterization studies revealed that the presence of more acre functional groups belonging to bioactive compounds such as Z)-7-Hexadecenal, Aromandendrene, α-Curcumene, Caryophyllene, Methyl 14-methyl Pentadecanoat, Methyl trans-13-Octadecenoate, 9-Octadecenoic acid (Z)-, and 2-hydroxy-1- (hydroxymethyl)ethyl. As a result of these findings, it is possible that P. longifolia leaf methanol extract contains medicinally important bioactive substances with bactericidal and fungicidal properties.
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Affiliation(s)
- Kathirvel Brindhadevi
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering & Technology, Duy Tan University, Da Nang, Viet Nam.
| | - Sivakumar Allur Subramanian
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University, College of Medicine, Hwaseong, Republic of Korea
| | - P T Kim
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering & Technology, Duy Tan University, Da Nang, Viet Nam
| | - Mohammad Ahmad Wadaan
- Department of Zoology, College of Science, King Saud University, Riyadh, P.O. Box. 2455, 11451, Saudi Arabia
| | - D Robert Selvam
- Department of Advanced Zoology and Biotechnology, Loyola Health Centre, Loyola College (Autonomous), Chennai, 600 034, Tamil Nadu, India.
| | - Sung Jae Kim
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University, College of Medicine, Hwaseong, Republic of Korea.
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Belahcene S, Kebsa W, Akingbade TV, Umar HI, Omoboyowa DA, Alshihri AA, Abo Mansour A, Alhasaniah AH, Oraig MA, Bakkour Y, Leghouchi E. Chemical Composition Antioxidant and Anti-Inflammatory Activities of Myrtus communis L. Leaf Extract: Forecasting ADMET Profiling and Anti-Inflammatory Targets Using Molecular Docking Tools. Molecules 2024; 29:849. [PMID: 38398601 PMCID: PMC10893115 DOI: 10.3390/molecules29040849] [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: 11/25/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/25/2024] Open
Abstract
Compounds derived from natural sources continue to serve as chemical scaffolds for designing prophylactic/therapeutic options for human healthcare. In this study, we aimed to systematically unravel the chemical profile and antioxidant and anti-inflammatory activities of myrtle methanolic extract (MMEx) using in vitro, in vivo, and in silico approaches. High levels of TPC (415.85 ± 15.52 mg GAE/g) and TFC (285.80 ± 1.64 mg QE/g) were observed. Mass spectrophotometry (GC-MS) analysis revealed the presence of 1,8-cineole (33.80%), α-pinene (10.06%), linalool (4.83%), p-dimethylaminobenzophenone (4.21%), thunbergol (4%), terpineol (3.60%), cis-geranyl acetate (3.25%), and totarol (3.30%) as major compounds. MMEx induced pronounced dose-dependent inhibition in all assays, and the best antioxidant activity was found with H2O2, with an IC50 of 17.81 ± 3.67 µg.mL-1. MMEx showed a good anti-inflammatory effect in vivo by limiting the development of carrageenan-induced paw edema. The pharmacokinetic profiles of the active molecules were determined using the SwissADME website, followed by virtual screening against anti-inflammatory targets including phospholipase A2 (PLA-2), cyclooxygenase-2 (COX-2), tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), and NF-κB. A pharmacokinetic study revealed that the molecules have good absorption, distribution, and metabolism profiles, with negative organ toxicity. Among the compounds identified by GC-MS analysis, pinostrobin chalcone, cinnamyl cinnamate, hedycaryol, totarol, and p-dimethylaminobenzophenone were observed to have good binding scores, thus appreciable anti-inflammatory potential. Our study reveals that MMEx from Algerian Myrtus communis L. can be considered to be a promising candidate for alleviating many health complaints associated with oxidative stress and inflammation.
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Affiliation(s)
- Samia Belahcene
- Laboratory of Biotechnology, Environment and Health, Faculty of Nature and Life Sciences, University of Jijel, Jijel 18000, Algeria
| | - Widad Kebsa
- Laboratory of Molecular Toxicology, Faculty of Nature and Life Sciences, University of Jijel, Jijel 18000, Algeria;
| | - Tomilola Victor Akingbade
- Computer-Aided Therapeutic Discovery and Design Platform, Federal University of Technology, PMB 704 Akure, Gaga 340110, Nigeria; (T.V.A.); (H.I.U.)
| | - Haruna Isiyaku Umar
- Computer-Aided Therapeutic Discovery and Design Platform, Federal University of Technology, PMB 704 Akure, Gaga 340110, Nigeria; (T.V.A.); (H.I.U.)
| | - Damilola Alex Omoboyowa
- Phyto-Medicine and Computational Biology Laboratory, Department of Biochemistry, Adekunle Ajasin University, Akungba Akoko 57257, Nigeria
| | - Abdulaziz A. Alshihri
- Department of Radiological Sciences, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia;
| | - Adel Abo Mansour
- Department of Clinical Laboratory Sciences, College of Applied Sciences, King Khalid University, Abha 61421, Saudi Arabia
| | - Abdulaziz Hassan Alhasaniah
- Department of Clinical Laboratory Sciences, College of Applied Sciences, Najran University, Najran 1988, Saudi Arabia
| | - Mohammed A. Oraig
- Radiology Department, Khamis Mushayt General Hospital, Khamis Mushayt 62433, Saudi Arabia;
| | - Youssef Bakkour
- Department of Radiological Sciences, College of Applied Medical Science, King Khalid University, Abha 61421, Saudi Arabia;
| | - Essaid Leghouchi
- Laboratory of Biotechnology, Environment and Health, Faculty of Nature and Life Sciences, University of Jijel, Jijel 18000, Algeria
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Taraghikhah MR, Atıcı Ö. Investigating bioactive phytochemicals in bulb and shoot of Allium longisepalum Bertol. from Iran. Nat Prod Res 2024:1-9. [PMID: 38192189 DOI: 10.1080/14786419.2023.2301022] [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: 07/19/2023] [Accepted: 12/24/2023] [Indexed: 01/10/2024]
Abstract
This study investigated a wide range of bioactive compounds in bulb and shoot of Allium longisepalum Bertol. from Iran. The organs were first extracted with methanol, followed by hexane, dichloromethane, chloroform, ethyl acetate, and butanol, and phytochemicals in fractions were analysed using GC/MS. Butanol exhibited the highest yield percentages in both organs. Palmitic and oleic acid were found in all fractions, while heptadecene-(8)-carboxylic acid, stearic acid, and myristic acid were detected in at least three fractions. Each fraction contained exclusively unique metabolites found only in itself. Hexane, dichloromethane, and chloroform fractions contained specific metabolites with potential antioxidant, allelopathic, antibacterial, and anti-inflammatory effects. Ethyl acetate and butanol fractions revealed significant compounds that have potential in terms of their anticarcinogenic, anti-inflammatory, hair growth-enhancing, and antimicrobial properties, in addition to containing compounds not previously identified in plants. The study analyzes bioactive compound profiles in A. longisepalum, highlighting its chemical diversity and therapeutic potential.
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Affiliation(s)
| | - Ökkeş Atıcı
- Department of Biology, Faculty of Science, Atatürk University, Erzurum, Turkey
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Hussein NN, Al-Azawi K, Sulaiman GM, Albukhaty S, Al-Majeed RM, Jabir M, Al-Dulimi AG, Mohammed HA, Akhtar N, Alawaji R, A Alshammari AA, Khan RA. Silver-cored Ziziphus spina-christi extract-loaded antimicrobial nanosuspension: overcoming multidrug resistance. Nanomedicine (Lond) 2023; 18:1839-1854. [PMID: 37982771 DOI: 10.2217/nnm-2023-0185] [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] [Indexed: 11/21/2023] Open
Abstract
Aims: To synthesize a silver-cored nanosuspension utilizing Ziziphus spina-christi fresh-leaf extract and evaluate their antimicrobial activity against multidrug-resistant pathogenic microbes. Materials and Methods: The prepared nanosuspension was analyzed by spectro-analytical techniques and tested for antimicrobial activity and resistance to biofilm formation. The leaf extract and nanosuspension were tested separately and together as a mixture. Results: Constituent nanoparticles were average-sized (∼34 nm) and were active against both Gram-positive and Gram-negative microbes and yeast. Candida albicans showed a 24.50 ± 1.50 mm inhibition zone, followed by Escherichia coli and Staphylococcus aureus. Increased bioactivity with the highest multifold increments, 150%, for erythromycin against all tested microbes was observed. Carbenicillin and trimethoprim showed 166%- and 300%-fold increments for antimicrobial activity against Pseudomonas aeruginosa, respectively. Conclusion: The nanosuspension exhibited strong potential as an antimicrobial agent and overcame multidrug resistance.
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Affiliation(s)
- Nehia N Hussein
- Department of Applied Sciences, University of Technology, Baghdad, Baghdad 10066, Iraq
| | - Khalida Al-Azawi
- Department of Applied Sciences, University of Technology, Baghdad, Baghdad 10066, Iraq
| | - Ghassan M Sulaiman
- Department of Applied Sciences, University of Technology, Baghdad, Baghdad 10066, Iraq
| | - Salim Albukhaty
- Department of Chemistry, College of Science, University of Misan, Maysan, 62001, Iraq
- College of Medicine, University of Warith Al-Anbiyaa, Karbala, 56001, Karbala, Iraq
| | - Reem Ma Al-Majeed
- Department of Applied Sciences, University of Technology, Baghdad, Baghdad 10066, Iraq
| | - Majid Jabir
- Department of Applied Sciences, University of Technology, Baghdad, Baghdad 10066, Iraq
| | - Ali G Al-Dulimi
- Department of Dentistry, Bilad Alrafidain University College, Diyala, 32001, Iraq
| | - Hamdoon A Mohammed
- Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy, Al-Azhar University, Cairo 11371, Egypt
| | - Naseem Akhtar
- Department of Pharmaceutics, College of Dentistry and Pharmacy, Buraydah Private Colleges, P.O. Box 31717, Buraydah 51418, Qassim, Saudi Arabia
| | - Razan Alawaji
- Pharmaceutical Care Services, King Salman Medical City, Maternity and Children Hospital, Al Madinah Al Munawwarah 11176, Saudi Arabia
| | - Abdulaziz Arif A Alshammari
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Qassim 51452, Saudi Arabia
- Graduate Student
| | - Riaz A Khan
- Department of Medicinal Chemistry and Pharmacognosy, College of Pharmacy, Qassim University, Qassim 51452, Saudi Arabia
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