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Singh NV, Singh A, Singh VK. Laboratory Assessment of Molluscicidal Activities of Cannabis sativa, Acacia nilotica, and Tinospora cordifolia Against Snail Host of Fasciola spp.. Vector Borne Zoonotic Dis 2024; 24:382-389. [PMID: 38364187 DOI: 10.1089/vbz.2023.0073] [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: 02/18/2024] Open
Abstract
Background: The potential molluscicidal extracts, obtained from indigenous plants Cannabis sativa, Acacia nilotica, and Tinospora cordifolia, were tested for toxicity against freshwater pulmonate snail Lymnaea acuminata, an intermediate host of Fasciola hepatica. The organic extracts had a significant effect on young snails. Materials and Methods: All organic extracts and column-purified fractions gave median lethal concentrations (19-100.05 mg/L; 24 h) that fell well within the threshold level of 100 mg/L, set for a potential molluscicide by the World Health Organization. Results: The toxicity of T. cordifolia stem acetone extract (96 h LC50: 16.08 mg/L) was more pronounced compared with C. sativa leaf ethanol extract (96 h LC50: 16.32 mg/L) and A. nilotica leaf ethanol extract (96 h LC50: 24.78 mg/L). β-caryophyllene, gallic acid, and berberine were characterized and identified as active molluscicidal components. Co-migration of β-caryophyllene (retardation factor [Rf] 0.95), gallic acid (Rf 0.30), and berberine (Rf 0.23) with column-purified parts of Cannabis sativa, Acacia nilotica, and Tinospora cordifolia on thin-layer chromatography demonstrates same Rf value, that is, 0.95, 0.30, and 0.23, respectively. Conclusion: This study indicates that these extracts thus represent potential plant-derived molluscicides that are worthy of further investigations.
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Affiliation(s)
- Nilay Vishal Singh
- Department of Zoology, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, India
| | - Arundhati Singh
- Department of Zoology, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, India
| | - Vinay Kumar Singh
- Department of Zoology, Deen Dayal Upadhyay Gorakhpur University, Gorakhpur, India
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Lu M. Is aromatic plants environmental health engineering (APEHE) a leverage point of the earth system? Heliyon 2024; 10:e30322. [PMID: 38756557 PMCID: PMC11096952 DOI: 10.1016/j.heliyon.2024.e30322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/30/2024] [Accepted: 04/23/2024] [Indexed: 05/18/2024] Open
Abstract
It is important to note that every ecological niche in an ecosystem is significant. This study aims to assess the importance of medicinal and aromatic plants (MAPs) in the ecosystem from multiple perspectives. A primary model of Aromatic Plants Environmental Health Engineering (APEHE) has been designed and constructed. The APEHE system was used to collect aerosol compounds, and it was experimentally verified that these compounds have the potential to impact human health by binding to AKT1 as the primary target, and MMP9 and TLR4 as secondary targets. These compounds may indirectly affect human immunity by reversing drug resistance in drug-resistant bacteria in the nasal cavity. This is mainly achieved through combined mutations in sdhA, scrA, and PEP. Our findings are based on Network pharmacology and molecular binding, drug-resistance rescue experiments, as well as combined transcriptomics and metabolomics experiments. It is suggested that APEHE may have direct or indirect effects on human health. We demonstrate APEHE's numerous potential benefits, such as attenuation and elimination of airborne microorganisms in the environment, enhancing carbon and nitrogen storage in terrestrial ecosystems, promoting the formation of low-level clouds and strengthening the virtuous cycle of Earth's ecosystems. APEHE also supports the development of transdisciplinary technologies, including terpene energy production. It facilitates the creation of a sustainable circular economy and provides additional economic advantages through urban optimisation, as well as fresh insights into areas such as the habitability of other planets. APEHE has the potential to serve as a leverage point for the Earth system. We have created a new research direction.
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Affiliation(s)
- MengYu Lu
- HEFEI XIAODOUKOU HEALTH TECH CO LTD, China
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Wang Z, Chitama BYA, Suganuma K, Yamano Y, Sugimoto S, Kawakami S, Kaneko O, Otsuka H, Matsunami K. Two New Cytotoxic Sesquiterpene-Amino Acid Conjugates and a Coumarin-Glucoside from Crossostephium chinense. Molecules 2023; 28:4696. [PMID: 37375252 DOI: 10.3390/molecules28124696] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 06/29/2023] Open
Abstract
The Asteraceae family is a promising source of bioactive compounds, such as the famous Asteraceae plants Tanacetum cinerariifolium (pyrethrin) and Artemisia annua (artemisinin). As a result of our series of phytochemical studies of the subtropical plants, two novel sesquiterpenes, named crossoseamines A and B in this study (1 and 2, respectively), one undescribed coumarin-glucoside (3), and eighteen known compounds (4-21) were isolated from the aerial part of Crossostephium chinense (Asteraceae). The structures of isolated compounds were elucidated by spectroscopic methods, including 1D and 2D NMR experiments (1H, 13C, DEPT, COSY, HSQC, HMBC, and NOESY), IR spectrum, circular dichroism spectrum (CD), and high-resolution electrospray ionization-mass spectrometry (HR-ESI-MS). All isolated compounds were evaluated for their cytotoxic activities against Leishmania major, Plasmodium falciparum, Trypanosoma brucei (gambiense and rhodesiense), and human lung cancer cell line A549 because of the high demand for the discovery of new drug leads to overcome the present side effects and emerging drug-resistant strains. As a result, the new compounds (1 and 2) showed significant activities against A549 (IC50, 1: 3.3 ± 0.3; 2: 12.3 ± 1.0 μg/mL), L. major (IC50, 1: 6.9 ± 0.6; 2: 24.9 ± 2.2 μg/mL), and P. falciparum (IC50, 1: 12.1 ± 1.1; 2: 15.6 ± 1.2 μg/mL).
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Affiliation(s)
- Zhichao Wang
- Graduate School of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Ben-Yeddy Abel Chitama
- Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Keisuke Suganuma
- National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine, Inada, Obihiro 080-8555, Japan
| | - Yoshi Yamano
- Graduate School of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Sachiko Sugimoto
- Graduate School of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
| | - Susumu Kawakami
- Graduate School of Pharmacy, Yasuda Women's University, Hiroshima 731-0153, Japan
| | - Osamu Kaneko
- Department of Protozoology, Institute of Tropical Medicine (NEKKEN), Nagasaki University, 1-12-4 Sakamoto, Nagasaki 852-8523, Japan
| | - Hideaki Otsuka
- Graduate School of Pharmacy, Yasuda Women's University, Hiroshima 731-0153, Japan
| | - Katsuyoshi Matsunami
- Graduate School of Biomedical & Health Sciences, Hiroshima University, 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8553, Japan
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Kamaraj C, Satish Kumar RC, Al-Ghanim KA, Nicoletti M, Sathiyamoorthy V, Sarvesh S, Ragavendran C, Govindarajan M. Novel Essential Oils Blend as a Repellent and Toxic Agent against Disease-Transmitting Mosquitoes. TOXICS 2023; 11:517. [PMID: 37368617 DOI: 10.3390/toxics11060517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/22/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023]
Abstract
Bio-insecticidal research has focused on long-term vector control using essential oils (EOs). This study examined the larvicidal, oviposition-deterrent, and repellent properties of five medicinal herb-based EO formulations (EOFs) on mosquitoes that are vectors of dengue, filariasis, and malaria. EOFs were significantly more toxic to the larvae and pupae of Culex quinquefasciatus, Anopheles stephensi, and Aedes aegypti with LC50 = 9.23, 12.85, and 14.46 ppm, as well with 10.22, 11.39, and 12.81 ppm, with oviposition active indexes of -0.84, -0.95, and -0.92, respectively. Oviposition-deterrent repellence was found in 91.39%, 94.83%, and 96.09%. EOs and N, N-Diethyl-3-methylbenzamide (DEET) were prepared at various concentrations for time duration repellent bioassays (6.25-100 ppm). Ae. aegypti, An. stephensi, and Cx. quinquefasciatus were monitored for 300, 270, and 180 min, respectively. At 100 ppm, EOs and DEET had comparable repellence in terms of test durations. EOF's primary components d-limonene (12.9%), 2,6-octadienal, 3,7-dimethyl, (Z) (12.2%), acetic acid, phenylmethyl ester (19.6%), verbenol (7.6%), and benzyl benzoate (17.4%) may be combined to make a mosquito larvicidal and repellant equivalent to synthetic repellent lotions. In the molecular dynamics simulations, limonene (-6.1 kcal/mol) and benzyl benzoate (-7.5 kcal/mol) had a positive chemical association with DEET (-6.3 kcal/mol) and interacted with the OBP binding pocket with high affinity and stability. This research will help local herbal product manufacturers and the cosmetics industry in developing 100% herbal insect repellent products to combat mosquito-borne diseases, including dengue, malaria, and filariasis.
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Affiliation(s)
- Chinnaperumal Kamaraj
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research, SRM Institute Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Rajappan Chandra Satish Kumar
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research, SRM Institute Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Khalid A Al-Ghanim
- Department of Zoology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Marcello Nicoletti
- Department of Environmental Biology, Foundation in Unam Sapientiam, Sapienza University of Rome, 00185 Rome, Italy
| | - V Sathiyamoorthy
- Ayurvedic Manufacturing, Kancheepuram 631 501, Tamil Nadu, India
| | - Sabarathinam Sarvesh
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research, SRM Institute Science and Technology, Kattankulathur 603 203, Tamil Nadu, India
| | - Chinnasamy Ragavendran
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai 600 077, Tamil Nadu, India
| | - Marimuthu Govindarajan
- Unit of Vector Control, Phytochemistry and Nanotechnology, Department of Zoology, Annamalai University, Annamalainagar 608 002, Tamil Nadu, India
- Unit of Natural Products and Nanotechnology, Department of Zoology, Government College for Women (Autonomous), Kumbakonam 612 001, Tamil Nadu, India
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Luu-dam NA, Le CVC, Satyal P, Le TMH, Bui VH, Vo VH, Ngo GH, Bui TC, Nguyen HH, Setzer WN. Chemistry and Bioactivity of Croton Essential Oils: Literature Survey and Croton hirtus from Vietnam. Molecules 2023; 28:molecules28052361. [PMID: 36903605 PMCID: PMC10005233 DOI: 10.3390/molecules28052361] [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: 01/27/2023] [Revised: 02/28/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Using essential oils to control vectors, intermediate hosts, and disease-causing microorganisms is a promising approach. The genus Croton in the family Euphorbiaceae is a large genus, with many species containing large amounts of essential oils, however, essential oil studies are limited in terms of the number of Croton species investigated. In this work, the aerial parts of C. hirtus growing wild in Vietnam were collected and analyzed by gas chromatography/mass spectrometry (GC/MS). A total of 141 compounds were identified in C. hirtus essential oil, in which sesquiterpenoids dominated, comprising 95.4%, including the main components β-caryophyllene (32.8%), germacrene D (11.6%), β-elemene (9.1%), α-humulene (8.5%), and caryophyllene oxide (5.0%). The essential oil of C. hirtus showed very strong biological activities against the larvae of four mosquito species with 24 h LC50 values in the range of 15.38-78.27 μg/mL, against Physella acuta adults with a 48 h LC50 value of 10.09 μg/mL, and against ATCC microorganisms with MIC values in the range of 8-16 μg/mL. In order to provide a comparison with previous works, a literature survey on the chemical composition, mosquito larvicidal, molluscicidal, antiparasitic, and antimicrobial activities of essential oils of Croton species was conducted. Seventy-two references (seventy articles and one book) out of a total of two hundred and forty-four references related to the chemical composition and bioactivity of essential oils of Croton species were used for this paper. The essential oils of some Croton species were characterized by their phenylpropanoid compounds. The experimental results of this research and the survey of the literature showed that Croton essential oils have the potential to be used to control mosquito-borne and mollusk-borne diseases, as well as microbial infections. Research on unstudied Croton species is needed to search for species with high essential oil contents and excellent biological activities.
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Affiliation(s)
- Ngoc Anh Luu-dam
- Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
- Vietnam Academy of Science and Technology (VAST), Graduate University of Science and Technology, No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
| | - Canh Viet Cuong Le
- Mientrung Institute for Scientific Research, Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), 321 Huynh Thuc Khang, Hue 530000, Thua Thien Hue, Vietnam
| | - Prabodh Satyal
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA
| | - Thi Mai Hoa Le
- Faculty of Pharmacy, Vinh Medical University, 161 Nguyen Phong Sac, Vinh 461150, Vietnam
| | - Van Huong Bui
- Vietnam National Museum of Nature, Vietnam Academy of Science and Technology (VAST), No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
- Vietnam Academy of Science and Technology (VAST), Graduate University of Science and Technology, No. 18 Hoang Quoc Viet Road, Cau Giay District, Hanoi 100803, Vietnam
| | - Van Hoa Vo
- Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
| | - Gia Huy Ngo
- Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 5000, Vietnam
| | - Thi Chinh Bui
- Faculty of Biology, University of Education, Hue University, 34 Le Loi St., Hue 530000, Vietnam
| | - Huy Hung Nguyen
- Department of Pharmacy, Duy Tan University, 03 Quang Trung, Da Nang 550000, Vietnam
- Center for Advanced Chemistry, Institute of Research and Development, Duy Tan University, 03 Quang Trung, Da Nang 5000, Vietnam
- Correspondence: ; Tel.: +84-967036828
| | - William N. Setzer
- Aromatic Plant Research Center, 230 N 1200 E, Suite 100, Lehi, UT 84043, USA
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA
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6
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Begum S, Jena S, Chand PK. Silver Nanocrystals Bio-Fabricated Using Rhizobium rhizogenes-Transformed In Vitro Root Extracts Demonstrate Health Proactive Properties. BIONANOSCIENCE 2022. [DOI: 10.1007/s12668-022-01040-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Chemical Compositions of Essential Oil from Aerial Parts of Cyclospermum leptophyllum and Its Application as Antibacterial Activity against Some Food Spoilage Bacteria. J CHEM-NY 2022. [DOI: 10.1155/2022/5426050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cyclospermum leptophyllum is plant species known for its medicinal value and pleasant aroma. The aerial part and plant seeds are traditionally used as food additives as a spice. This study aims to isolate the chemical constituents of essential oil of the aerial part of the plant and study their potential antibacterial activities against some food contaminating bacteria. The essential oil of C. leptophyllum (CSEO) was isolated from aerial parts of the plant species and studied using GC-MS and FTIR techniques. The first four major chemical constituents determined from GC-MS analysis of CSEO (for peak area % ≥ 1.15%) were 2,5-dimethoxy-p-cymene (87.09%), 2-methoxy-1-methyl-4-(1-methylethyl) benzene (3.09%), 2-methoxy-4-methyl-1-(1-methylethyl) benzene (1.71%), and humulene (1.15%). 60%, 30%, 15%, 7.5%, and 3.75% of CSEO solutions were prepared and evaluated for their potential antibacterial activities against six food spoilage pathogenic bacterial strains. Three Gram-positive strains: Staphylococcus aureus (ATCC 25923), Staphylococcus epidermidis (ATCC 12228), Streptococcus agalactiae (ATCC 12386) and three Gram-negative strains: Escherichia coli (ATCC 25922), Proteus mirabilis (ATCC 35659), and Pseudomonas aeruginosa (ATCC 27853) were used as test microorganisms. Compared to ciprofloxacin, a positive control, the promising antibacterial activity was observed for CSEO against S. aureus at minimum and maximum test solutions as the values of the zone of inhibition diameter (ZID, mm) were recorded as 14.33 ± 0.58 for 3.75% CSEO solution and 30.67 ± 0.58 for 60% CSEO solution. Tests of CSEO solutions generally showed stronger antibacterial activities against Gram-positive than Gram-negative strains. Therefore, CSEO contains potent chemical constituents that might be applicable in treating pathogenic bacterial species.
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Al-Hakimi AN, Alhag SK, Abdulghani MAM, Aroua LM, Mahyoub JA. Evaluation of synthesized inorganic nanomaterials Plumeria alba against Aedes aegypti and in vivo toxicity. MAIN GROUP CHEMISTRY 2022. [DOI: 10.3233/mgc-220003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) were fabricated using Plumeria alba leaf extracts to control the mosquito Aedes aegypti. Synthesized AgNPs and AuNPs were characterized by ultraviolet-visible spectroscopy, Fourier-Transform Infrared Radiation (FTIR) spectroscopy, X-ray diffraction (XRD), and transmission electron microscope (TEM) analysis. Susceptibility levels of Ae. aegypti mosquito larvae to the plant extract P.alba and its silver nanoparticles (AgNPs) and gold nanoparticles were determined. The AgNPs and AuNPs spectra displayed their maximum absorption at 300 nm and 500 nm, respectively. The larval mortality of AgNPs and AuNPs were highly effective LC50 were 69.9592 ppm and 88.2635 ppm compared to the aqueous leaf extract of P. alba LC50 was 178.4713 ppm. Furthermore, no significant effects of nanoparticle preparations of P. alba extract 10,000 ppm dose up to one week revealed neither toxic signs nor death within seven days of administration. However, there were no apparent signs of delayed toxicity when the rats were observed for an additional seven days. Current studies revealed that the P. alba leaf extract, AgNPs and AuNPs are biologically safe on animals and eco-friendly for control of Aedes aegypti mosquito.
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Affiliation(s)
- Ahmed N. Al-Hakimi
- Department of Chemistry, College of Science, Qassim University, Buraydah, Saudi Arabia
- Department of Chemistry, Faculty of Science, Ibb University, Ibb, Yemen
| | - Sadeq K. Alhag
- Department of Biology, College of Science and Arts, King Khalid University, Muhayl Asser, Saudi Arabia
- Department of Biology, College of Science, Ibb University, Yemen
| | | | - Lotfi M. Aroua
- Department of Chemistry, College of Science, Qassim University, Buraydah, Saudi Arabia
- Laboratory of Organic Structural Chemistry & Macromolecules, Department of Chemistry, Faculty of Sciences of Tunis, Tunis El-Manar University, El Manar I 2092, Tunis Tunisia
| | - Jazem A. Mahyoub
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah. Saudi Arabia
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Islam MT, Quispe C, Herrera-Bravo J, Sarkar C, Sharma R, Garg N, Fredes LI, Martorell M, Alshehri MM, Sharifi-Rad J, Daştan SD, Calina D, Alsafi R, Alghamdi S, Batiha GES, Cruz-Martins N. Production, Transmission, Pathogenesis, and Control of Dengue Virus: A Literature-Based Undivided Perspective. BIOMED RESEARCH INTERNATIONAL 2021; 2021:4224816. [PMID: 34957305 PMCID: PMC8694986 DOI: 10.1155/2021/4224816] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 11/11/2021] [Accepted: 11/26/2021] [Indexed: 12/18/2022]
Abstract
Dengue remains one of the most serious and widespread mosquito-borne viral infections in human beings, with serious health problems or even death. About 50 to 100 million people are newly infected annually, with almost 2.5 billion people living at risk and resulting in 20,000 deaths. Dengue virus infection is especially transmitted through bites of Aedes mosquitos, hugely spread in tropical and subtropical environments, mostly found in urban and semiurban areas. Unfortunately, there is no particular therapeutic approach, but prevention, adequate consciousness, detection at earlier stage of viral infection, and appropriate medical care can lower the fatality rates. This review offers a comprehensive view of production, transmission, pathogenesis, and control measures of the dengue virus and its vectors.
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Affiliation(s)
- Muhammad Torequl Islam
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj (Dhaka)8100, Bangladesh
| | - Cristina Quispe
- Facultad de Ciencias de la Salud, Universidad Arturo Prat, Avda. Arturo Prat 2120, Iquique 1110939, Chile
| | - Jesús Herrera-Bravo
- Departamento de Ciencias Básicas, Facultad de Ciencias, Universidad Santo Tomas, Chile
- Center of Molecular Biology and Pharmacogenetics, Scientific and Technological Bioresource Nucleus, Universidad de La Frontera, Temuco 4811230, Chile
| | - Chandan Sarkar
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj (Dhaka)8100, Bangladesh
| | - Rohit Sharma
- Department of Rasa Shastra & Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, Uttar Pradesh, India
| | - Neha Garg
- Department of Medicinal Chemistry, Institute of Medical Sciences, Banaras Hindu University, Varanasi-221005, Uttar Pradesh, India
| | | | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, and Centre for Healthy Living, University of Concepción, 4070386 Concepción, Chile
- Universidad de Concepción, Unidad de Desarrollo Tecnológico, UDT, Concepción 4070386, Chile
| | - Mohammed M. Alshehri
- Pharmaceutical Care Department, Ministry of National Guard-Health Affairs, Riyadh, Saudi Arabia
| | | | - Sevgi Durna Daştan
- Department of Biology, Faculty of Science, Sivas Cumhuriyet University, 58140 Sivas, Turkey
- Beekeeping Development Application and Research Center, Sivas Cumhuriyet University, 58140 Sivas, Turkey
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Radi Alsafi
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Saad Alghamdi
- Laboratory Medicine Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Natália Cruz-Martins
- Faculty of Medicine, University of Porto, Porto, Portugal
- Institute for Research and Innovation in Health (i3S), University of Porto, Porto, Portugal
- Institute of Research and Advanced Training in Health Sciences and Technologies (CESPU), Rua Central de Gandra, 1317, 4585-116 Gandra PRD, Portugal
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Narayanan M, Vijay A, Kandasamy S, Nasif O, Alharbi SA, Srinivasan R, Kavitha R. Phytochemical profile and larvicidal activity of aqueous extract of Ocimum americanum against mosquito vectors. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-02087-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ratnadass A, Deguine JP. Crop protection practices and viral zoonotic risks within a One Health framework. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 774:145172. [PMID: 33610983 DOI: 10.1016/j.scitotenv.2021.145172] [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: 11/03/2020] [Revised: 01/10/2021] [Accepted: 01/10/2021] [Indexed: 06/12/2023]
Abstract
Recent viral zoonotic epidemics have been attributed partially to the negative impact of human activities on ecosystem biodiversity. Agricultural activities, particularly conventional crop protection (CP) practices, are a major threat to global biodiversity, ecosystem health and human health. Here we review interactions between CP practices and viral zoonoses (VZs), the first time this has been done. It should be noted that a) VZs stand at the interface between human, animal and ecosystem health; b) some VZs involve arthropod vectors that are affected by CP practices; and c) some crop pests, or their natural enemies are vertebrate reservoirs/carriers of certain VZs, and their contact with humans or domestic animals is affected by CP practices. Our review encompasses examples highlighting interactions between VZs and CP practices, both efficiency improvement-based (i.e. conventional with agrochemical insecticides and rodenticides), substitution-based (i.e. mainly with physical/mechanical or biopesticidal pest control), and redesign-based (i.e. mainly with conservation biological pest control, including some forms of crop-livestock integration). These CP practices mainly target arthropod and vertebrate pests. They also target, to a lesser extent, weeds and plant pathogens. Conventional and some physical/mechanical control methods and some forms of biopesticidal and crop-livestock integration practices were found to have mixed outcomes in terms of VZ risk management. Conversely, practices based on biological control by habitat conservation of arthropod or vertebrate natural enemies, falling within the Agroecological Crop Protection (ACP) framework, result in VZ prevention at various scales (local to global, and short-term to long-term). ACP addresses major global challenges including climate resilience, biodiversity conservation and animal welfare, and helps integrate plant health within the extended "One Health" concept.
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Affiliation(s)
- Alain Ratnadass
- CIRAD, UPR HortSys, F-97455 Saint-Pierre, Réunion, France; HortSys, Univ Montpellier, CIRAD, Montpellier, France.
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Ghorbanzadeh A, Ghasemnezhad A, Sarmast MK, Ebrahimi SN. An analysis of variations in morphological characteristics, essential oil content, and genetic sequencing among and within major Iranian Juniper (Juniperus spp.) populations. PHYTOCHEMISTRY 2021; 186:112737. [PMID: 33740576 DOI: 10.1016/j.phytochem.2021.112737] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 03/08/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
Junipers (Juniperus spp.) are important pharmaceutical plants, and they are commonly grown in the northern hemisphere because of the various medicinal properties attributed to the Juniperus genus. However, despite their pharmaceutical and also industrial importance, and despite plant diversity being a common topic of research among professional breeding programs, there is a relatively small body of work which focuses on diversity in juniper, and this is especially true of juniper species that are native to Iran. Thus, the present study set out to investigate juniper diversity via identifying any morphological, phytochemical, and genetic differences among and within three important species of Iranian junipers. The data revealed the terpenoid profiles of the investigated species to be distinct from one another, with α-pinene, β-pinene, myrcene, sabinene, and limonene being the predominant terpenoids detected. Intriguingly, high levels of myrtenyl acetate were detected in the J. sabina tissue collected from the Ramsar site, and this terpenoid was not found in either of the other studied species, nor has it been noted in any other studies that focus on juniper. The genetic variation of Juniperus was analyzed using five ISSR markers and the molecular variance was computed using the GenAlEx software. The results revealed there to be a high degree of genetic diversity both among and within the studied populations. A dendrogram of the genetic data using the UPGMA method with the Dice coefficient divided the genotypes into two main groups. J. communis and J. excelsa were grouped together, while J. sabina was separated into its own group. In general, morphologically speaking, the leaf and cone types were found to be chiefly influential vis-à-vis separating the populations into their respective groups. Ultimately, it is our hope that the biochemical, genetic, and morphological diversity data collected from these species will contribute to the success of future juniper breeding and restoration programs.
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Affiliation(s)
- Amir Ghorbanzadeh
- Department of Horticulture, Faculty of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Azim Ghasemnezhad
- Department of Horticulture, Faculty of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran.
| | - Mostafa Khoshhal Sarmast
- Department of Horticulture, Faculty of Plant Production, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Samad Nejad Ebrahimi
- Department of Phytochemistry, Medicinal Plants and Drugs Research Institute, Shahid Beheshti University, Tehran, Iran
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Fierascu RC, Fierascu IC, Dinu-Pirvu CE, Fierascu I, Paunescu A. The application of essential oils as a next-generation of pesticides: recent developments and future perspectives. ACTA ACUST UNITED AC 2021; 75:183-204. [PMID: 31785198 DOI: 10.1515/znc-2019-0160] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 11/05/2019] [Indexed: 01/08/2023]
Abstract
The overuse of synthetic pesticide, a consequence of the rush to increase crop production, led to tremendous adverse effects, as they constitute a major pollutant for both soils and water, with a high toxicity towards humans and animals and, at the same time, led to development of pest resistance. In the last period, the researches were directed towards finding new solutions with a lower toxicity, less damaging behaviour towards the environment, and a better specificity of action. In this context, the use of essential oils, a complex and unique mixture of compounds, can be considered for the next-generation pesticides. This review aims to present the main applications of the essential oils as insecticides, herbicides, acaricides, and nematicides, as they emerged from the scientific literature published in the last 5 years (2015 to present). From the identified articles within the time period, only those dealing with essential oils obtained by the authors (not commercially available) were selected to be inserted in the review, characterized using established analytical techniques and employed for the envisaged applications. The review is concluded with a chapter containing the main conclusions of the literature study and the future perspectives, regarding the application of essential oils as next-generation pesticides.
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Affiliation(s)
- Radu Claudiu Fierascu
- National Institute for Research and Development in Chemistry and Petrochemistry-ICECHIM Bucharest, 202 Spl. Independentei, 060021 Bucharest, Romania.,University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Mărăști Blvd., 011464 Bucharest, Romania
| | - Ioana Catalina Fierascu
- University of Medicine and Pharmacy "Carol Davila", 37 Dionisie Lupu Str., 030167 Bucharest, Romania.,Zentiva Romania S.A., 50 Theodor Pallady Blvd., 032266 Bucharest, Romania
| | - Cristina Elena Dinu-Pirvu
- University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Mărăști Blvd., 011464 Bucharest, Romania.,University of Medicine and Pharmacy "Carol Davila", 37 Dionisie Lupu Str., 030167 Bucharest, Romania
| | - Irina Fierascu
- National Institute for Research and Development in Chemistry and Petrochemistry-ICECHIM Bucharest, 202 Spl. Independentei, 060021 Bucharest, Romania.,University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Mărăști Blvd., 011464 Bucharest, Romania
| | - Alina Paunescu
- Department of Ecology, Faculty of Science, University of Pitesti, 2 Targu din Vale Street, 110040 Pitesti, Romania
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Kuo TC, Lin CC, Tsai CC, Chen SJ, Hung TM, Hsieh CC, Lu JY, Huang RN. Toxicity of Terahertz-Based Functional Mineral Water (Plant-Derived) to Immature Stages of Mosquito Vectors. INSECTS 2021; 12:211. [PMID: 33801362 PMCID: PMC7998476 DOI: 10.3390/insects12030211] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 01/25/2021] [Accepted: 02/25/2021] [Indexed: 11/17/2022]
Abstract
Functional mineral water and related products are popular in some Asian countries as health drinks and, recently, have been employed in agricultural crop production as well as pest control. This study aimed to investigate the survival of mosquito vectors exposed to plant-derived functional mineral water produced by terahertz technology. The terahertz-based functional mineral water used in the current study not only decreased the hatching of Culex quinquefasciatus (Say) larvae but also showed concentration-dependent toxicity to the 3rd instar larvae and pupae of the three mosquito species tested. Aedes albopictus (Skuse) and Cx. quinquefasciatus pupae were more susceptible to terahertz-based functional mineral water than the larval stage, as indicated by their lower LC50. Lower concentrations (<100 ppm) of terahertz-based functional mineral water were not lethal to the pupae; however, these low concentrations still resulted in a reduced adult emergence. Although terahertz-based functional mineral water did not significantly affect Aedes aegypti (Linnaeus) hatching, it could potentially be used for vector control at the larvae and pupae stages. The larvicidal and pupicidal activity of diluted terahertz-based functional mineral water gradually diminished after 24 h, indicating that it is a biodegradable and eco-friendly bioinsecticide. However, as the terahertz-based functional mineral water is also toxic to larvivorous predatory-copepods, it should not be utilized in aquatic environments where predatory-based mosquito control programs are employed.
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Affiliation(s)
- Tai-Chih Kuo
- Department of Biochemistry, Taipei Medical University, 250 Wu-Hsing Street, Taipei 110, Taiwan;
| | - Chien-Chung Lin
- Department of Orthopedic Surgery, Taipei City Hospital, Taipei 100, Taiwan;
- Department of Special Education, University of Taipei, Taipei 10048, Taiwan
| | - Ching-Chu Tsai
- Department of Life Science, College of Life Science, National Taiwan University, Taipei 106, Taiwan; (C.-C.T.); (S.-J.C.)
| | - Shiang-Jiuun Chen
- Department of Life Science, College of Life Science, National Taiwan University, Taipei 106, Taiwan; (C.-C.T.); (S.-J.C.)
| | - Tso-Min Hung
- Department of Entomology, College of Bioresources and Agriculture, National Taiwan University, Taipei 10617, Taiwan;
| | - Che-Chu Hsieh
- Department of Photonics, National Cheng Kung University, Tainan 70101, Taiwan; (C.-C.H.); (J.-Y.L.)
| | - Ja-Yu Lu
- Department of Photonics, National Cheng Kung University, Tainan 70101, Taiwan; (C.-C.H.); (J.-Y.L.)
| | - Rong-Nan Huang
- Department of Entomology, College of Bioresources and Agriculture, National Taiwan University, Taipei 10617, Taiwan;
- Master Program for Plant Medicine, College of Bioresources and Agriculture, National Taiwan University, Taipei 10617, Taiwan
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Luz TRSA, de Mesquita LSS, Amaral FMMD, Coutinho DF. Essential oils and their chemical constituents against Aedes aegypti L. (Diptera: Culicidae) larvae. Acta Trop 2020; 212:105705. [PMID: 32956639 DOI: 10.1016/j.actatropica.2020.105705] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 09/08/2020] [Accepted: 09/08/2020] [Indexed: 11/19/2022]
Abstract
This review focused on the toxicity of essential oils and their constituents against Aedes aegypti L. (Diptera, Culicidae) larvae, a key vector of important arboviral diseases, such as dengue, chikungunya, zika, and yellow fever. This review is based on original articles obtained by searching major databases in the last six years. Our literature review shows that 337 essential oils from 225 plant species have been tested for larvicidal bioactivity. More than 60% of these essential oils were considered active (LC50<100 µg/mL). Most species belong to the families Lamiaceae (19.3%), Lauraceae (9.9%), and Myrtaceae (9.4%). The plants studied for their larvicidal activity against A. aegypti were mainly collected in India and Brazil (30 and 20%, respectively) and the parts of the plants most used were the leaves. Less than 10% of essential oils were evaluated for toxicity against non-target organisms and with the aim to demonstrate safe use. The most used plant parts are leaves and the main compounds of essential oils were described. The most active essential oils are rich in sesquiterpene hydrocarbons, oxygenated sesquiterpenes, and monoterpene hydrocarbons. Here, factors affecting bioactivity (chemical composition, plant parts, and harvesting site) of essential oils and their constituents, as well as safety to non-target organisms are discussed. Essential oils have considerable potential against A. aegypti. This review shows that essential oils might be used to control arboviruses, and further studies on safety and formulations for application in the field should be performed.
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Affiliation(s)
- Tássio Rômulo Silva Araújo Luz
- Laboratory of Phytotherapy and Biotechnology in Health (LaFiBioS), Health Sciences Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil.
| | - Ludmilla Santos Silva de Mesquita
- Laboratory of Phytotherapy and Biotechnology in Health (LaFiBioS), Health Sciences Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil
| | - Flavia Maria Mendonça do Amaral
- Laboratory of Phytotherapy and Biotechnology in Health (LaFiBioS), Health Sciences Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil
| | - Denise Fernandes Coutinho
- Laboratory of Phytotherapy and Biotechnology in Health (LaFiBioS), Health Sciences Graduate Program, Federal University of Maranhão, São Luís, Maranhão, Brazil
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Monzote L, Scherbakov AM, Scull R, Gutiérrez YI, Satyal P, Cos P, Shchekotikhin AE, Gille L, Setzer WN. Pharmacological Assessment of the Carvacrol Chemotype Essential Oil From Plectranthus amboinicusGrowing in Cuba. Nat Prod Commun 2020. [DOI: 10.1177/1934578x20962233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Plant-derived products are employed in various public health practices and have been considered as a major source of medicines. The genus Plectranthus (Lamiaceae) has been widely respected for its nutritional properties, its essential oil, and its therapeutic values. In the present work, the chemical characterization, antimicrobial, antiparasitic, and cytotoxic properties of the essential oil from Plectranthus amboinicus (Lour.) Spreng and its main compound carvacrol were studied. Twenty-one components were identified in the oil by gas chromatography coupled with a mass spectrometric detector. In this oil, carvacrol constitutes the major compound (71%), which represented the more abundant chemotype. The essential oil did not inhibit growth of Escherichia coli, Staphylococcus aureus, Candida albicans, Trypanosoma cruzi, or Leishmania infantum, but displayed activity against Plasmodium falciparum (half-maximal inhibitory concentration [IC50] = 5.9 µg/mL), Trypanosoma brucei (IC50= 34.9 µg/mL), and Leishmania amazonensis (IC50= 58.2 µg/mL), and the human tumor-derived cell lines MCF-7 (IC50= 29.1 µg/mL), MDA-MB-231 (IC50= 41.5 µg/mL), and 22Rv1 (IC50= 29.6 µg/mL), but no cytotoxicity was observed against nonmalignant macrophages. The antiproliferative activity of the oil could be attributed to carvacrol. However, this compound showed certain level of cytotoxicity, which suggests unspecific activity. This study provides evidence about antimicrobial and anticancer potential of the essential oil from P. amboinicus against protozoa and neoplastic diseases, particularly as an antimalarial natural product.
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Affiliation(s)
- Lianet Monzote
- Parasitology Department, Center of Research, Diagnostic and Reference, Institute of Tropical Medicine “Pedro Kouri”, Havana, Cuba
- Research Network Natural Products against Neglected Diseases (ResNetNPND)
| | | | - Ramón Scull
- Department of Pharmacy, Institute of Pharmacy and Food, Havana University, Havana, Cuba
| | - Yamilet I. Gutiérrez
- Department of Pharmacy, Institute of Pharmacy and Food, Havana University, Havana, Cuba
| | | | - Paul Cos
- Laboratory for Microbiology, Parasitology and Hygiene (LMPH), Faculty of Pharmaceutical, Biomedical and Veterinary Sciences, University of Antwerp, Antwerp, Belgium
| | | | - Lars Gille
- Department of Biomedical Sciences, Institute of Pharmacology and Toxicology, University of Veterinary Medicine, Vienna, Austria
| | - William N. Setzer
- Research Network Natural Products against Neglected Diseases (ResNetNPND)
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL, USA
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de Souza MA, da Silva L, Dos Santos MAC, Macêdo MJF, Lacerda-Neto LJ, Coutinho HDM, de Oliveira LCC, Cunha FAB. Larvicidal Activity of Essential Oils Against Aedes aegypti (Diptera: Culicidae). Curr Pharm Des 2020; 26:4092-4111. [PMID: 32767924 DOI: 10.2174/1381612826666200806100500] [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: 03/12/2020] [Accepted: 07/20/2020] [Indexed: 12/23/2022]
Abstract
The Aedes aegypti is responsible for the transmission of arboviruses, which compromise public health. In the search for synthetic product alternatives, essential oils (OEs) have been highlighted by many researchers as natural insecticides. This systematic review (SR) was performed according to PRISMA guidelines (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) and its objective was to evaluate studies addressing OEs with larvicidal properties against Ae. aegypti, through electronic database searches (Pubmed, Science Direct and Scielo), covering an overview of the plant sources OEs, which plant parts were used, the extraction methods, analytical techniques, major and/or secondary constituents with greater percentages, as well as the LC50s responsible for larval mortality. Following study analysis, plants distributed across 32 families, 90 genera and 175 species were identified. The Lamiaceae, Myrtaceae, Piperaceae, Asteraceae, Rutaceae, Euphorbiaceae and Lauraceae families obtained the highest number of species with toxic properties against larvae from this vector. Practically all plant parts were found to be used for OE extraction. Hydrodistillation and steam distillation were the main extraction methods identified, with GC-MS/GC-FID representing the main analytical techniques used to reveal their chemical composition, especially of terpene compounds. In this context, OEs are promising alternatives for the investigation of natural, ecologically correct and biodegradable insecticides with the potential to be used in Ae. aegypti control programs.
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Affiliation(s)
- Mikael A de Souza
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Larissa da Silva
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Maria A C Dos Santos
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Márcia J F Macêdo
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Luiz J Lacerda-Neto
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Henrique D M Coutinho
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Lígia C C de Oliveira
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
| | - Francisco A B Cunha
- Department of Biological Chemistry, Regional University of Cariri, Crato (CE), Brazil
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Kumar D, Kumar P, Singh H, Agrawal V. Biocontrol of mosquito vectors through herbal-derived silver nanoparticles: prospects and challenges. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:25987-26024. [PMID: 32385820 DOI: 10.1007/s11356-020-08444-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Accepted: 03/13/2020] [Indexed: 05/25/2023]
Abstract
Mosquitoes spread several life-threatening diseases such as malaria, filaria, dengue, Japanese encephalitis, West Nile fever, chikungunya, and yellow fever and are associated with millions of deaths every year across the world. However, insecticides of synthetic origin are conventionally used for controlling various vector-borne diseases but they have various associated drawbacks like impact on non-targeted species, negative effects on the environment, and development of resistance in vector species by alteration of the target site. Plant extracts, phytochemicals, and their nanoformulations can serve as ovipositional attractants, insect growth regulators, larvicides, and repellents with least effects on the environment. Such plant-derived products exhibit broad-spectrum resistance against various mosquito species and are relatively cheaper, environmentally safer, biodegradable, easily accessible, and are non-toxic to non-targeted organisms. Therefore, in this review article, the current knowledge of phytochemical sources exhibiting larvicidal activity and their variations in response to solvents used for their extraction is underlined. Also, different methods such as physical, chemical, and biological for silver nanoparticle (AgNPs) synthesis, their mechanism of synthesis using plant extract, their potent larvicidal activity, and the possible mechanism by which these particles kill mosquito larvae are discussed. In addition, constraints related to commercialization of nanoherbal products at government and academic or research level and barriers from laboratory experiments to field trial have also been discussed. This comprehensive information can be gainfully employed for the development of herbal larvicidal formulations and nanopesticides against insecticide-resistant vector species in the near future. Graphical abstract.
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Affiliation(s)
- Dinesh Kumar
- National Institute of Malaria Research, Dwarka, Delhi, 110077, India
- Medicinal Plant Biotechnology Lab, Department of Botany, University of Delhi, Delhi, 110007, India
| | - Pawan Kumar
- National Institute of Malaria Research, Dwarka, Delhi, 110077, India
| | - Himmat Singh
- National Institute of Malaria Research, Dwarka, Delhi, 110077, India
| | - Veena Agrawal
- Medicinal Plant Biotechnology Lab, Department of Botany, University of Delhi, Delhi, 110007, India.
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