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Essoh AP, Cassiano GC, Mandim F, Barros L, Gomes I, Medeiros MM, Moura M, Cravo PVL, Romeiras MM. Antimalarial and Cytotoxic Activity of Native Plants Used in Cabo Verde Traditional Medicine. PLANTS (BASEL, SWITZERLAND) 2023; 12:963. [PMID: 36840311 PMCID: PMC9964634 DOI: 10.3390/plants12040963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/07/2023] [Accepted: 02/17/2023] [Indexed: 06/18/2023]
Abstract
Medicinal plants have historically been a source of drugs in multiple applications, including the treatment of malaria infections. The Cabo Verde archipelago harbors a rich diversity of native plants, most of which are used for medicinal purposes. The present study investigated the in vitro antiplasmodial activities of four native plants from Cabo Verde (i.e., Artemisia gorgonum, Lavandula rotundifolia, Sideroxylon marginatum, and Tamarix senegalensis). Traditional preparations of these medicinal plants, namely aqueous extracts (infusions) and ethanolic extracts, were tested against both chloroquine-sensitive (3D7) and chloroquine-resistant (Dd2) Plasmodium falciparum strains using the SYBR Green detection method. The in vitro cytotoxicity was evaluated in Caco-2 and PLP2 cells using a sulforhodamine B colorimetric assay. An ethanolic extract of A. gorgonum and infusions of T. senegalensis exhibited high antiplasmodial activities (EC50 < 5 μg/mL) without cytotoxicity (GI50 > 400 μg/mL). Extracts of L. rotundifolia and S. marginatum exhibited moderate activities, with EC50 values ranging from 10-30 μg/mL. The A. gorgonum ethanolic extract showed activity toward early ring stages, and parasites treated with the T. senegalensis infusions progressed to the early trophozoite stage, although did not develop further to the late trophozoite or schizont stages. Antimalarial activities and the lack of cytotoxicity of the extracts are reported in the present study and support previous claims by traditional practitioners for the use of these plants against malaria while suggesting their ethnopharmacological usefulness as future antimalarials.
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Affiliation(s)
- Anyse P. Essoh
- Linking Landscape, Environment, Agriculture and Food (LEAF) & Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, Portugal
- UNDP/UNFPA/UNICEF Joint Office of Cabo Verde-Energy, Environment and Climate Change Portfolio, Ed. Nações Unidas, Achada Santo António, Praia P.O. Box 62, Cape Verde
| | - Gustavo Capatti Cassiano
- Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, Universidade NOVA de Lisboa, 1349-008 Lisboa, Portugal
| | - Filipa Mandim
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Lillian Barros
- Centro de Investigação de Montanha (CIMO), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
- Laboratório Associado para a Sustentabilidade e Tecnologia em Regiões de Montanha (SusTEC), Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal
| | - Isildo Gomes
- Instituto Nacional de Investigação e Desenvolvimento Agrário (INIDA), São Jorge dos Órgãos, Santiago CP 84, Cape Verde
| | - Márcia Melo Medeiros
- Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, Universidade NOVA de Lisboa, 1349-008 Lisboa, Portugal
| | - Mónica Moura
- Research Centre in Biodiversity and Genetic Resources (CIBIO), InBIO Associate Laboratory, Pole of Azores, Faculdade de Ciências e Tecnologia, Universidade dos Açores, 9500-321 Ponta Delgada, Portugal
| | - Pedro Vitor Lemos Cravo
- Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, Universidade NOVA de Lisboa, 1349-008 Lisboa, Portugal
| | - Maria M. Romeiras
- Linking Landscape, Environment, Agriculture and Food (LEAF) & Associated Laboratory TERRA, Instituto Superior de Agronomia, Universidade de Lisboa, Tapada da Ajuda, 1349-017 Lisboa, Portugal
- Centre for Ecology, Evolution and Environmental Changes (cE3c), & CHANGE-Global Change and Sustainability Institute, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
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Mishra AK, Tiwari KN, Saini R, Chaurasia JK, Mishra SK. Assessment of antioxidant potential in seed extracts of Nyctanthes arbor-tristis L. and phytochemical profiling by Gas Chromatography-Mass Spectrometry system. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e21180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/19/2023] Open
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Dwivedi MK, Shukla R, Sharma NK, Manhas A, Srivastava K, Kumar N, Singh PK. Evaluation of ethnopharmacologically selected Vitex negundo L. for In vitro antimalarial activity and secondary metabolite profiling. JOURNAL OF ETHNOPHARMACOLOGY 2021; 275:114076. [PMID: 33789139 DOI: 10.1016/j.jep.2021.114076] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/03/2021] [Accepted: 03/23/2021] [Indexed: 06/12/2023]
Abstract
ETHANOPHARMACOLOGICAL RELEVANCE Limited drugs, rise in drug resistance against frontline anti-malarial drugs, non-availability of efficacious vaccines and high cost of drug development hinders malaria intervention programs. Search for safe, effective and affordable plant based anti-malarial agents, thus becomes crucial and vital in the current scenario. The Vitex negundo L. is medicinal plant possessing a variety of pharmaceutically important compounds. The plant is used traditionally worldwide for the treatment of malaria including India and Malaysia by the indigenous tribes. In vitro studies have reported the anti-malarial use of the plant in traditional medicinal systems. AIM OF THE STUDY The aim of the current study is to evaluate the traditionally used medicinal plants for in vitro anti-malarial activity against human malaria parasite Plasmodium falciparum and profiling secondary metabolite using spectroscopic and chromatographic methods. Chemical profiling of active secondary metabolites in the extracts was undertaken using LC-MS. MATERIALS AND METHODS Based on the ethno-botanical data V. negundo L. was selected for in vitro anti-malarial activity against P. falciparum chloroquine-sensitive (3D7) and multidrug resistant (K1) strains using SYBR Green-I based fluorescence assay. Cytotoxicity of extracts was evaluated in VERO cell line using the MTT assay. Haemolysis assay was performed using human red blood cells. Secondary metabolites profiling was undertaken using chromatographic and spectroscopic analysis. Liquid chromatography analysis was performed using a C18, 150 X 2.1, 2.6 μm column with gradient mobile phase Solvent A: 95% (H2O: ACN), Solvent B: Acetonitrile, Solvent C: Methanol, Solvent D: 5 mM NH4 in 95:5 (H2O: ACN) at a constant flow rate of 0.250 ml/min. The LC-MS spectra were acquired in both positive and negative ion modes with electrospray ionization (ESI) source. RESULTS The anti-malarial active extract of V. negundo L. leaf exhibited potent anti-malarial activity with IC50 values of 7.21 μg/ml and 7.43 μg/ml against 3D7 and K1 strains, respectively with no evidence of significant cytotoxicity against mammalian cell line (VERO) and no toxicity as observed in haemolysis assay. The HPLC-LC-MS analysis of the extract led to identification of 73 compounds. We report for the first time the presence of Sabinene hydrate acetate, 5-Hydroxyoxindole, 2(3,4-dimethoxyphenyl)-6, 7-dimethoxychromen-4-one, Cyclotetracosa-1, 13-diene and 5, 7-Dimethoxyflavanone in the anti-malarial active extract of V. negundo L. leaf. Agnuside, Behenic acid and Globulol are some of the novel compounds with no reports of anti-malarial activity so far and require further evaluation in pure form for the development of potent anti-malarial compounds. CONCLUSIONS The result report and scientifically validate the traditional use of V. negundo L. for the treatment of malaria providing new avenues for anti-malarial drug development. Several novel and unknown compounds were identified that need to be further characterized for anti-malarial potential.
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Affiliation(s)
- Manish Kumar Dwivedi
- Department of Biotechnology, Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh, 484 887, India
| | - Ravindra Shukla
- Department of Botany, Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh, 484887, India
| | - Naveen Kumar Sharma
- Department of Botany, Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh, 484887, India
| | - Ashan Manhas
- Department of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Kumkum Srivastava
- Department of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Niti Kumar
- Department of Molecular Parasitology and Immunology, CSIR-Central Drug Research Institute, Lucknow, Uttar Pradesh, 226031, India
| | - Prashant Kumar Singh
- Department of Biotechnology, Indira Gandhi National Tribal University, Amarkantak, Madhya Pradesh, 484 887, India.
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Singla RK, Dubey AK. Phytochemical Profiling, GC-MS Analysis and α-Amylase Inhibitory Potential of Ethanolic Extract of Cocos nucifera Linn. Endocarp. Endocr Metab Immune Disord Drug Targets 2020; 19:419-442. [PMID: 30484412 DOI: 10.2174/1871530319666181128100206] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2017] [Revised: 05/27/2018] [Accepted: 06/27/2018] [Indexed: 11/22/2022]
Abstract
BACKGROUND Drugs with post-prandial action constitute one of the main courses of treatments for diabetes. OBJECTIVE In the present investigation, we have explored the α-amylase inhibitory potential of ethanolic extract of Cocos nucifera endocarp. METHODS DNS based assay was done to assess the α-amylase inhibition potential of ethanolic extract. Phytochemical screening and GC-MS analysis were done in order to assess the chemical profiling of extract. In silico docking studies were done using VLife MDS 4.6 software and the probable molecules, predicted after GC-MS analysis, were docked with the co-crystallized (acarbose) tracked active site and rest all cavities of porcine pancreatic α-amylase (1OSE). ADMET analysis was done using StarDrop 6.4, Derek Nexus and P450 Modules from Optibrium Ltd. and LHASA Ltd. RESULTS DNS based α-amylase assay indicated that the IC50 value of extract lies in the range of 63- 126 µg/ml and at higher doses, i.e. above 250 µg/ml, it has better α-amylase inhibition than the standard drug, acarbose. Phytochemical screening indicated that ethanolic extract is rich in alkaloids, tannins, flavonoids, saponins, triterpenes, glycosides, carbohydrates, terpenoids, quinones and lactones. Further, GC-MS analysis (where Similarity Index was > 90) predicted that the probable phytoconstituents present in the ethanolic extract are myristic acid, syringaldehyde, eugenol, vanillin, 2,4-di-tert-butylphenol, lauric acid, palmitic acid methyl ester and γ-sitosterol. γ-Sitosterol showed the strong affinity towards the active site which was tracked by a co-crystallized ligand along with cavity 1 and 2 while significant interactions were observed in case of co-crystallized tracked active site as well as cavity 4 of 1OSE. Ethanolic extract of C. nucifera has no hemolytic effect. CONCLUSION Its ability to effectively inhibit α-amylase may be attributed to the presence of the above probable molecules, which will be explored further.
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Affiliation(s)
- Rajeev Kumar Singla
- Division of Biological Sciences and Engineering, Netaji Subhas University of Technology, New Delhi-110078, India
| | - Ashok Kumar Dubey
- Division of Biological Sciences and Engineering, Netaji Subhas University of Technology, New Delhi-110078, India
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Karan BN, Maity TK, Pal BC, Singha T, Jana S. Betulinic Acid, the first lupane-type triterpenoid isolated via bioactivity-guided fractionation, and identified by spectroscopic analysis from leaves of Nyctanthes arbor-tristis: its potential biological activities in vitro assays. Nat Prod Res 2018; 33:3287-3292. [DOI: 10.1080/14786419.2018.1470171] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Birendra Nath Karan
- Pharmaceutical Research Division, Institute of Pharmacy, Kalyani, India
- Department of Pharmaceutical Research, Jadavpur University, Kolkata, India
| | - Tapan Kumar Maity
- Department of Pharmaceutical Research, Jadavpur University, Kolkata, India
| | - Bikash Chandra Pal
- Department of Pharmaceutical Research, Jadavpur University, Kolkata, India
| | - Tanushree Singha
- Department of Pharmaceutical Research, Jadavpur University, Kolkata, India
| | - Snehasis Jana
- Pharmaceutical Research and Development, Trivedi Science Research Laboratory Pvt. Ltd, Bhopal, India
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Ag Nanoparticles Synthesized Using β-Caryophyllene Isolated from Murraya koenigii: Antimalarial (Plasmodium falciparum 3D7) and Anticancer Activity (A549 and HeLa Cell Lines). J CLUST SCI 2017. [DOI: 10.1007/s10876-017-1180-6] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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Mishra RK, Mishra V, Pandey A, Tiwari AK, Pandey H, Sharma S, Pandey AC, Dikshit A. Exploration of anti-Malassezia potential of Nyctanthes arbor-tristis L. and their application to combat the infection caused by Mala s1 a novel allergen. Altern Ther Health Med 2016; 16:114. [PMID: 27036961 PMCID: PMC4815214 DOI: 10.1186/s12906-016-1092-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2015] [Accepted: 03/23/2016] [Indexed: 11/29/2022]
Abstract
Background Malassezia commensal yeasts along with multitude of antigens have been found to be associated with various skin disorders including Pityriasis versicolor (PV). Amongst them Mala s1, a 37 kDa protein has been proved to be a major allergen reacting with a large panel of sera. However, there exists no therapeutic alternative to combat such problems in form of plant based natural compounds. The purpose of this study is in the first place, to determine the anti-Malassezia activity of Nyctanthes arbor-tristis L. (NAT) ethanolic leaf extract through turbidimetric growth curves, disruption of plasma membrane and secondly, it aims to present in silico validation of its active constituents over Mala s1a novel allergen. Methods The antifungal susceptibility 50 % ethanolic extract of NAT was determined by broth microdilution method according to CLSI guidelines. Further MICs and IC50 were determined spectrophotometrically using the software SoftMax® Pro-5 (Molecular Devices, USA). Active constituents mediated disruption of plasma membrane was studied through flowcytometry by permeabilization of fluorescent dye Propidium Iodide (PI). Antioxidant activity of the extract was determined using the DPPH stable radical. Molecular validation of fungal DNA from the extract was observed using PCR amplification. In silico analysis of its active constituents over Mala s1 was performed using HEX software and visualized through Pymol. Results The anti-Malassezia potential of NAT leaf extracts reflected moderate MIC 1.05 μg/μl against M. globosa, while least effective against M. restricta with MIC 1.47 μg/μl. A linear correlation coefficient R2 = 0.866 was obtained in case of M. globosa while minimum was observed in M. restricta with R2 = 0.732. The flow cytometric data reveal ~ 75 % cell death when treated with active constituents β-Sitosterol and Calceolarioside A. The docking confirmations and the interaction energies between Mala s1 and the active constituents (β-Sitosterol and Calceolarioside A) from extracts showed an effective binding which suggests Mala s1 as efficient allergen for site specific targeting. Conclusions This study revealed that Nyctanthes arbor-tristis L. (NAT) extracts possess high anti-Malassezia potential which is driven mainly by disruption of plasma membrane. Also in silico validation and molecular modeling studies establishes Mala s1 as a novel allergen that could be a potential target in disease treatment. Our results would also provide a foundation for the development of new therapeutic approach using NAT extract as lead compound with high antioxidant property as an added trait for skin care.
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Rajakumar G, Rahuman AA, Chung IM, Kirthi AV, Marimuthu S, Anbarasan K. Antiplasmodial activity of eco-friendly synthesized palladium nanoparticles using Eclipta prostrata extract against Plasmodium berghei in Swiss albino mice. Parasitol Res 2015; 114:1397-406. [PMID: 25653029 DOI: 10.1007/s00436-015-4318-1] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Accepted: 01/07/2015] [Indexed: 11/30/2022]
Abstract
Malaria is an infectious disease caused by the Plasmodium parasite that continues to be a health issue for humans. It is one of the most common pathogenic factors of morbidity and mortality. Palladium nanoparticles (Pd NPs) have been used as target antimicrobial compounds, as a catalyst to manufacture pharmaceuticals, degrade harmful environmental pollutants, and as sensors for the detection of various analyses. The aim of this study was to investigate the antiplasmodial activity of synthesized Pd NPs by using leaf aqueous extract of Eclipta prostrata against Plasmodium berghei in Swiss albino mice. The synthesized Pd NPs were characterized by X-ray diffraction (XRD), Fourier transform infrared (FTIR), Scanning electron microscopy (SEM) with Energy dispersive X-ray spectroscopy (EDX), and High-resolution transmission electron microscope (HRTEM) with the Selected area (electron) diffraction (SAED). The XRD peaks appeared at 35.61°, 44.27°, 56.40°, and 74.51°, which correspond to (111), (200), (220), and (311) planes for palladium, respectively. The FTIR spectra that were carried out to identify the potential biomolecule of synthesized Pd NPs showed the peaks at 3361, 1540, 1399, 1257, 1049, and 659 in the region of 4000-500 cm(-1). The SEM images showed aggregation of NPs with an average size of 63 ± 1.4. The HRTEM images of the precipitated solid phase obtained after termination of the reaction of E. prostrata aqueous leaf extract were in the range from 18 to 64 nm with an average size of 27 ± 1.3 nm. The in vivo antiplasmodial assay was carried out as per Peters' 4-day suppressive test, and the synthesized Pd NP-treated mice group showed reduction of parasitemia by 78.13% with an inhibitory concentration (IC)50 value of 16.44 mg/kg/body weight. The growth inhibition of E. prostrata aqueous leaf extract, palladium acetate, and synthesized Pd NPs showed the IC20, IC50, and IC90 values of 1.90, 10.29, and 64.11; 4.49, 9.84, and 23.04; and 4.34, 8.70, and 18.49 mg/kg/body weight, respectively against NK65 strain of P. berghei. In vitro cytotoxicity of the aqueous leaf extract of E. prostrata, palladium acetate, and Pd NPs that was evaluated against Hep-G2 cell lines showed the cellular toxicity of 7.5, 12, 22, 32, and 39%; 8.2, 18, 32, 55, and 66.2 %; and 8.5, 24, 48, 65, and 76.5% at 1, 10, 100, 250, and 500 μg/mL, respectively. This green chemistry approach toward the synthesis of Pd NPs has many advantages such as, ease with which the process can be scaled up, and economic viability.
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Affiliation(s)
- Govindasamy Rajakumar
- Unit of Nanotechnology and Bioactive Natural Products, Post Graduate and Research Department of Zoology, C. Abdul Hakeem College, Melvisharam, Vellore District, Tamil Nadu, 632509, India
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Kamaraj C, Rahuman AA, Roopan SM, Bagavan A, Elango G, Zahir AA, Rajakumar G, Jayaseelan C, Santhoshkumar T, Marimuthu S, Kirthi AV. Bioassay-guided isolation and characterization of active antiplasmodial compounds from Murraya koenigii extracts against Plasmodium falciparum and Plasmodium berghei. Parasitol Res 2014; 113:1657-72. [PMID: 24638906 DOI: 10.1007/s00436-014-3810-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2013] [Accepted: 02/02/2014] [Indexed: 12/21/2022]
Abstract
Malaria is an overwhelming impact in the poorest countries in the world due to their prevalence, virulence and drug resistance ability. Currently, there is inadequate armoury of drugs for the treatment of malaria. This underscores the continuing need for the discovery and development of new effective and safe antimalarial drugs. To evaluate the in vitro and in vivo antimalarial activity of the leaf ethyl acetate extract of Murraya koenigii, bioassay-guided chromatographic fractionation was employed for the isolation and purification of antimalarial compounds. The in vitro antimalarial activity was assayed by the erythrocytic stages of chloroquine-sensitive strain of Plasmodium falciparum (3D7) in culture using the fluorescence-based SYBR Green I assay. The in vivo assay was done by administering mice infected with Plasmodium berghei (NK65) four consecutive daily doses of the extracts through oral route following Peter's 4-day curative standard test. The percentage suppression of parasitaemia was calculated for each dose level by comparing the parasitaemia in untreated control with those of treated mice. Cytotoxicity was determined against HeLa cells using MTT assay. Histopathology was studied in kidney, liver and spleen of isolated compound-treated Swiss albino mice. The leaf crude ethyl acetate extract of M. koenigii showed good in vitro antiplasmodial activity against P. falciparum. The in vivo test of the leaf crude ethyl acetate extract (600 mg/kg) showed reduced malaria parasitaemia by 86.6% against P. berghei in mice. Bioassay-guided fractionation of the leaf ethyl acetate extract of M. koenigii led to the isolation of two purified fractions C3B2 (2.84 g) and C3B4 (1.97 g). The purified fractions C3B2 and C3B4 were found to be active with IC50 values of 10.5 ± 0.8 and 8.25 ± 0.2 μg/mL against P. falciparum, and in vivo activity significantly reduced parasitaemia by 82.6 and 88.2% at 100 mg/kg/body weight on day 4 against P. berghei, respectively. The isolated fractions C3B2 and C3B4 were monitored by thin-layer chromatography until a single spot was obtained with R f values of 0.36 and 0.52, respectively. The pure compounds obtained in the present investigation were subjected to UV-visible spectroscopy, Fourier transformer infrared spectroscopy, 1D and 2D (1)H-Nuclear magnetic resonance (NMR), (13)C NMR, DEPT, COSY and Mass spectral analysis. Based on the spectral analysis, it is concluded that the isolated compounds were myristic acid (C3B2) and β-caryophyllene (C3B4). The cytotoxic effect of myristic acid and β-caryophyllene showed the TC50 values of >100 and 80.5 μg/mL, respectively against HeLa cell line. The histopathology study showed that protection against nephrotoxicity of kidney, hepatic damage of liver and splenocytes protection in spleen was achieved with the highest dose tested at 100 mg/kg/body weight. The present study provides evidence of antiplasmodial compounds from M. koenigii and is reported for the first time.
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Affiliation(s)
- Chinnaperumal Kamaraj
- Unit of Nanotechnology and Bioactive Natural Products, Post Graduate and Research Department of Zoology, C. Abdul Hakeem College, Melvisharam, 632 509, Vellore District, Tamil Nadu, India
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