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Annemer S, Ez-Zoubi A, Ez Zoubi Y, Satrani B, Stambouli H, Assouguem A, Ullah R, Bouayoun T, Fettoukh N, Farah A. Optimization and antifungal efficacy against brown rot fungi of combined Salvia rosmarinus and Cedrus atlantica essential oils encapsulated in Gum Arabic. Sci Rep 2023; 13:19548. [PMID: 37945688 PMCID: PMC10636173 DOI: 10.1038/s41598-023-46858-7] [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: 07/21/2023] [Accepted: 11/06/2023] [Indexed: 11/12/2023] Open
Abstract
The stability, sensitivity, and volatility of essential oils are some of their most serious limitations, and nanoencapsulation has been considered one of the most effective techniques for solving these problems. This research aimed to investigate the incorporation of Salvia rosmarinus Speen and Cedrus atlantica Manetti (MEO) essential oil mixture in Gum Arabic (GA) and to evaluate nanoencapsulation's ability to promote antifungal activity against two brown rot fungi responsible for wood decay Gloeophyllum trabeum and Poria placenta. The optimization of encapsulation efficiency was performed using response surface methodology (RSM) with two parameters: solid-to-solid (MEO/GA ratio) and solid-to-liquid (MEO/ethanol). The recovered powder characterization was followed by various techniques using a scanning electron microscope (SEM), X-ray diffractometry (XRD), dynamic light scattering (DLS), Fourier transform infrared spectroscopy (FTIR), and thermo-gravimetric analysis (TGA). The optimal nanoencapsulating conditions obtained from RSM were ratios of MEO/GA of 1:10 (w/w) and MEO/ethanol of 10% (v/v), which provided the greatest encapsulation efficiency (87%). The results of SEM, XRD, DLS, FTIR, and TGA showed that the encapsulation of MEO using GA modified particle form and molecular structure and increased thermal stability. An antifungal activity assay indicated that an effective concentration of MEO had an inhibitory effect on brown rot fungi. It had 50% of the maximal effect (EC50) value of 5.15 ± 0.88 µg/mL and 12.63 ± 0.65 µg/mL for G. trabeum and P. placenta, respectively. Therefore, this product has a great potential as a natural wood preservative for sustainable construction and green building.
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Affiliation(s)
- Saoussan Annemer
- Laboratory of Applied Organic Chemistry, Faculty of Sciences and Technology, University Sidi Mohammed Ben Abdellah, B P 2202, Fez, Morocco
| | - Amine Ez-Zoubi
- Laboratory of Applied Organic Chemistry, Faculty of Sciences and Technology, University Sidi Mohammed Ben Abdellah, B P 2202, Fez, Morocco
| | - Yassine Ez Zoubi
- Laboratory of Applied Organic Chemistry, Faculty of Sciences and Technology, University Sidi Mohammed Ben Abdellah, B P 2202, Fez, Morocco
- Biotechnology, Environmental Technology and Valorization of Bio-Resources Team, Department of Biology. Laboratory of Research and Development in Engineering Sciences Faculty of Sciences and Techniques Al-Hoceima, Abdelmalek Essaadi University, Tétouan, Morocco
| | - Badr Satrani
- Forestry Research Center - Rabat, Avenue Omar Ibn Al Khattab, BP 763, 10050, Rabat, Morocco
| | - Hamid Stambouli
- Forensic Sciences Institute of Royal Gendarmerie, Rabat-Institut, BP 6597, 10000, Rabat, Morocco
| | - Amine Assouguem
- Laboratory of Functional Ecology and Environment, Faculty of Sciences and Technology, Sidi Mohamed Ben Abdellah University, Imouzzer Street, 30000, Fez, Morocco
- Department of Tourism and Culinary Management, Faculty of Economics, University of Food Technologies, 4000, Plovdiv, Bulgaria
| | - Riaz Ullah
- Department of Pharmacognosy, College of Pharmacy, King Saud University, 4545, Riyadh, Saudi Arabia
| | - Taoufik Bouayoun
- Forensic Sciences Institute of Royal Gendarmerie, Rabat-Institut, BP 6597, 10000, Rabat, Morocco
| | - Nezha Fettoukh
- Forensic Sciences Institute of Royal Gendarmerie, Rabat-Institut, BP 6597, 10000, Rabat, Morocco
| | - Abdellah Farah
- Laboratory of Applied Organic Chemistry, Faculty of Sciences and Technology, University Sidi Mohammed Ben Abdellah, B P 2202, Fez, Morocco.
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Tan W, Zhang N, Wang J, Pu T, Hu J, Li C, Song Y. Fumigant activity and transcriptomic analysis of two plant essential oils against the tea green leafhopper, Empoasca onukii Matsuda. Front Physiol 2023; 14:1217608. [PMID: 37795270 PMCID: PMC10546945 DOI: 10.3389/fphys.2023.1217608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 09/04/2023] [Indexed: 10/06/2023] Open
Abstract
Introduction: The tea green leafhopper, Empoasca (Matsumurasca) onukii Matsuda, R., 1952 (Hemiptera: Cicadellidae), is currently one of the most devastating pests in the Chinese tea industry. The long-term use of chemical pesticides has a negative impact on human health, impeding the healthy and sustainable development of the tea industry in this region. Therefore, there is a need for non-chemical insecticides to control E. onukii in tea plants. The essential oils from plants have been identified for their potential insecticidal ability; however, there is a lack of knowledge regarding the effect of plant essential oils on E. onukii and its gene expression. Methods: In order to address these knowledge gaps, the components of Pogostemon cablin and Cinnamomum camphora essential oils were analyzed in the present study using gas chromatography-mass spectrometry. The fumigation toxicity of two essential oils on E. onukii was tested using sealed conical flasks. In addition, We performed comparative transcriptome analyses of E. onukii treated with or without P. cablin essential oil. Results: The 36-h lethal concentration (LC50) values for E. onukii treated with P. cablin and C. camphora essential oils were 0.474 and 1.204 μL mL-1 respectively. Both essential oils exhibited the potential to control E. onukii, but the fumigation activity of P. cablin essential oil was more effective. A total of 2,309 differentially expressed genes were obtained by transcriptome sequencing of E. onukii treated with P. cablin essential oil. Conclusion: Many of differentially expressed genes were found to contain detoxifification genes, indicating that these families may have played an important role when E. onukii was exposed to essential oil stress. We also found differential expression of genes related to redox-related gene families, suggesting the upregulation of genes associated with possible development of drug and stress resistance. This work offers new insights for the prevention and management of E. onukii in the future.
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Affiliation(s)
- Weiwen Tan
- School of Karst Science, Guizhou Normal University, Guiyang, China
- State Engineering Technology Institute for Karst Desertification Control, Guiyang, China
| | - Ni Zhang
- School of Karst Science, Guizhou Normal University, Guiyang, China
- State Engineering Technology Institute for Karst Desertification Control, Guiyang, China
| | - Jinqiu Wang
- School of Karst Science, Guizhou Normal University, Guiyang, China
- State Engineering Technology Institute for Karst Desertification Control, Guiyang, China
| | - Tianyi Pu
- School of Karst Science, Guizhou Normal University, Guiyang, China
- State Engineering Technology Institute for Karst Desertification Control, Guiyang, China
| | - Jifeng Hu
- Huaxi District Plant Protection Station of Guiyang City, Guiyang, China
| | - Can Li
- Guizhou Provincial Key Laboratory for Rare Animal and Economic Insect of the Mountainous Region, Guiyang University, Guiyang, China
| | - Yuehua Song
- School of Karst Science, Guizhou Normal University, Guiyang, China
- State Engineering Technology Institute for Karst Desertification Control, Guiyang, China
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Bioactivity of brassica seed meals and its compounds as ecofriendly larvicides against mosquitoes. Sci Rep 2023; 13:3936. [PMID: 36894606 PMCID: PMC9998646 DOI: 10.1038/s41598-023-30563-6] [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: 10/11/2022] [Accepted: 02/25/2023] [Indexed: 03/11/2023] Open
Abstract
Strategic, sustainable, and ecofriendly alternatives to chemical pesticides are needed to effectively control mosquitoes and reduce the incidence of their vectored diseases. We evaluated several Brassicaceae (mustard family) seed meals as sources of plant derived isothiocyanates produced from the enzymatic hydrolysis of biologically inactive glucosinolates for the control of Aedes aegypti (L., 1762). Five defatted seed meals (Brassica juncea (L) Czern., 1859, Lepidium sativum L., 1753, Sinapis alba L., 1753, Thlaspi arvense L., 1753, and Thlaspi arvense-heat inactivated and three major chemical products of enzymatic degradation (allyl isothiocyanate, benzyl isothiocyanate and 4-hydroxybenzyl isothiocyanate) were assayed to determine toxicity (LC50) to Ae. aegypti larvae. All seed meals except the heat inactivated T. arvense were toxic to mosquito larvae. L. sativum seed meal was the most toxic treatment to larvae (LC50 = 0.04 g/120 mL dH2O) at the 24-h exposure. At the 72-h evaluation, the LC50 values for B. juncea, S. alba and T. arvense seed meals were 0.05, 0.08 and 0.1 g/120 mL dH2O, respectively. Synthetic benzyl isothiocyanate was more toxic to larvae 24-h post treatment (LC50 = 5.29 ppm) compared with allyl isothiocyanate (LC50 = 19.35 ppm) and 4-hydroxybenzyl isothiocyanate (LC50 = 55.41 ppm). These results were consistent with the higher performance of the benzyl isothiocyanate producing L. sativum seed meal. Isothiocyanates produced from seed meals were more effective than the pure chemical compounds, based on calculated LC50 rates. Using seed meal may provide an effective method of delivery for mosquito control. This is the first report evaluating the efficacy of five Brassicaceae seed meals and their major chemical constituent against mosquito larvae and demonstrates how natural compounds from Brassicaceae seed meals can serve as a promising ecofriendly larvicides to control mosquitoes.
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Radu CM, Radu CC, Bochiș SA, Arbănași EM, Lucan AI, Murvai VR, Zaha DC. Revisiting the Therapeutic Effects of Essential Oils on the Oral Microbiome. PHARMACY 2023; 11:pharmacy11010033. [PMID: 36827671 PMCID: PMC9958697 DOI: 10.3390/pharmacy11010033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/30/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
The extensive use of antibiotics has resulted in the development of drug-resistant bacteria, leading to a decline in the efficacy of traditional antibiotic treatments. Essential oils (EOs) are phytopharmaceuticals, or plant-derived compounds, that possess beneficial properties such as anti-inflammatory, antibacterial, antimicrobial, antiviral, bacteriostatic, and bactericidal effects. In this review, we present scientific findings on the activity of EOs as an alternative therapy for common oral diseases. This narrative review provides a deeper understanding of the medicinal properties of EOs and their application in dentistry. It not only evaluates the effectiveness of these oils as antibacterial agents against common oral bacteria but also covers general information such as composition, methods of extraction, and potential toxicity. Further nonclinical and clinical studies must be conducted to determine their potential use and safety for treating oral diseases.
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Affiliation(s)
- Casandra-Maria Radu
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania
| | - Carmen Corina Radu
- Department of Forensic Medicine, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 38 Gheorghe Marinescu Street, 540139 Targu Mures, Romania
- Doctoral School of Medicine and Pharmacy, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania
- Correspondence: ; Tel.: +40-735852110
| | - Sergiu-Alin Bochiș
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania
| | - Emil Marian Arbănași
- Doctoral School of Medicine and Pharmacy, George Emil Palade University of Medicine, Pharmacy, Sciences and Technology of Targu Mures, 540142 Targu Mures, Romania
- Clinic of Vascular Surgery, Mureș County Emergency Hospital, 540136 Targu Mures, Romania
- Department of Vascular Surgery, George Emil Palade University of Medicine, Pharmacy, Science, and Technology of Targu Mures, 38 Gheorghe Marinescu Street, 540139 Targu Mures, Romania
| | - Alexandra Ioana Lucan
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania
- Faculty of Medicine and Pharmacy, Department of Preclinical Disciplines, University of Oradea, 1 December Sq, 410028 Oradea, Romania
| | - Viorela Romina Murvai
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania
- Faculty of Medicine and Pharmacy, Department of Preclinical Disciplines, University of Oradea, 1 December Sq, 410028 Oradea, Romania
| | - Dana Carmen Zaha
- Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania
- Faculty of Medicine and Pharmacy, Department of Preclinical Disciplines, University of Oradea, 1 December Sq, 410028 Oradea, Romania
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Li BY, Zhang JW, Zheng Y, Wang D, Wan CF, Du SS. Insecticidal and Repellent Effects of the Essential Oils Extract from Zanthoxylum myriacanthum against Three Storage Pests. Chem Biodivers 2023; 20:e202200493. [PMID: 36627746 DOI: 10.1002/cbdv.202200493] [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: 05/23/2022] [Revised: 12/31/2022] [Accepted: 01/10/2023] [Indexed: 01/12/2023]
Abstract
The co-storage of two or more Chinese herbal medicines can effectively prevent the herbs from the damage by pests. Thus, it is important to protect herbs and crops to study Chinese herbal medicines and their medicinal components against storage pests. This study aimed to assess the insecticidal activities and repellent effect of essential oils (EOs) extracted from fruits at different periods from Zanthoxylum myriacanthum Wall. ex Hook. f. (1 h, 2 h, 3-5 h and 5-7 h), and their major compounds against three kinds of pests (Tribolium castaneum, Lasioderma serricorne, and Liposcelis bostrychophila). The results of gas chromatography-mass spectrometer analysis revealed homomyrtenol (22.56 %, 28.01 %, 28.48 % and 28.41 %, respectively) and p-cymene (30.58 %, 13.95 %, 24.97 % and 6.85 %, respectively) were the common major compounds of the EOs at 1 h, 2 h, 3-5 h, and 5-7 h. m-Cymene contents in EOs of fruits, 1 h, 2 h and 3-5 h were 3.85 %, 0.95 %, 6.71 %, and 6.15 %, respectively. According to Principal component analysis (PCA), the composition of fruits' EO was significantly different from other EOs due to the different collection times. The bio-assays showed that EOs and major compounds were toxic to all three pests, but the fumigation effect on L. bostrychophila was not noticeable. EOs extracted at different times had a repellent effect on the three pests at the highest concentration (78.63 nL/cm2 ), but the attractive effects of the EOs of 3-5 h, 5-7 h, and p-cymene were observed at the low concentrations (3.15, 0.63 and 0.13 nL/cm2 ). Our results suggest that Z. myriacanthum have the potential to be developed as biological insecticides.
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Affiliation(s)
- Bo-Ya Li
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100091, P. R. China
- Department of Biomedical Science, Beijing City University, No. 269 North 4th Ring Middle Road, Haidian District, Beijing, 100191, P. R. China
| | - Jia-Wei Zhang
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100091, P. R. China
| | - Yu Zheng
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100091, P. R. China
| | - Dan Wang
- Department of Biomedical Science, Beijing City University, No. 269 North 4th Ring Middle Road, Haidian District, Beijing, 100191, P. R. China
| | - Cheng-Fang Wan
- National Institute for Radiological Protection, Chinese Center for Disease Control and Prevention, 2 Xinkang Street, Dewai, Beijing, 100088, P. R. China
| | - Shu-Shan Du
- Beijing Key Laboratory of Traditional Chinese Medicine Protection and Utilization, Faculty of Geographical Science, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, 100091, P. R. China
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Taylor S, Walther D, Fernando DD, Swe-Kay P, Fischer K. Investigating the Antibacterial Properties of Prospective Scabicides. Biomedicines 2022; 10:biomedicines10123287. [PMID: 36552044 PMCID: PMC9776028 DOI: 10.3390/biomedicines10123287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/02/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
Abstract
Scabies is a dermatological disease found worldwide. Mainly in tropical regions, it is also the cause of significant morbidity and mortality due to its association with potentially severe secondary bacterial infections. Current treatment strategies for scabies do not consider the role of opportunistic bacteria, and here we investigate whether current and emerging scabicides can offer any anti-bacterial protection. Using the broth microdilution method, we examined antimicrobial potential of the current scabicide ivermectin and emerging scabies treatments: abametapir, mānuka oil, and its individual β-triketones. Our results demonstrate that the two novel scabicides abametapir and mānuka oil have antimicrobial properties against common scabies-associated bacteria, specifically Staphylococcus aureus, Streptococcus pyogenes, Streptococcus dysgalactiae subsp. equisimilis and Acinetobacter baumannii. The current scabicide ivermectin offers some antimicrobial activity and is capable of inhibiting the growth aforementioned bacteria. This research is important as it could help to inform future best treatment options of scabies, and scabies-related impetigo.
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Doll KM, Muturi EJ, Flor-Weiler LB. Combining TEMPO and methyl undecenoate to produce an effective anti-mosquito compound with convenient spin-labeling. Exp Parasitol 2022; 244:108440. [PMID: 36495953 DOI: 10.1016/j.exppara.2022.108440] [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: 07/21/2022] [Revised: 11/17/2022] [Accepted: 11/27/2022] [Indexed: 12/12/2022]
Abstract
A general method to spin-label a fatty acid was demonstrated as well as an assay of the effectiveness of methyl 10-undecenoate and the spin-labeled version, against the larvae of Aedes aegypti. The LC50s were 66 and 58 μL/120 mL (55 and 48 ppm) respectively, and the LC90s were 108 and 90 μL/120 mL (113 and 90) ppm. This shows that the spin-label has very little effect on the larvicidal activity of the compound. This opens the possibility of the use of spin-labeling as a tool to determine mechanisms of larvicidal effectiveness, as it can be employed without altering the system under study.
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Affiliation(s)
- Kenneth M Doll
- United States Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Bio-Oils Research Unit, 1815 N. University Street, Peoria, IL, 61604, USA.
| | - Ephantus J Muturi
- United States Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Crop Bioprotection Research Unit, 1815 N. University Street, Peoria, IL, 61604, USA
| | - Lina B Flor-Weiler
- United States Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Crop Bioprotection Research Unit, 1815 N. University Street, Peoria, IL, 61604, USA.
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Balboné M, Diloma Soma D, Fogné Drabo S, Namountougou M, Konaté H, Benson Meda G, Sawadogo I, Romba R, Bilgo E, Nebié RCH, Bassolé IHN, Dabire RK, Gnankine O. Alternatives to Pyrethroid Resistance: Combinations of Cymbopogon nardus and Ocimum americanum Essential Oils Improve the Bioefficiency Control Against the Adults' Populations of Aedes aegypti (Diptera: Culicidae). JOURNAL OF MEDICAL ENTOMOLOGY 2022; 59:2102-2109. [PMID: 36223259 DOI: 10.1093/jme/tjac148] [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: 06/08/2022] [Indexed: 06/16/2023]
Abstract
Dengue vector control strategies are mostly based on chemicals use against Aedes aegypti populations. The current study aimed at investigating the insecticidal effects of essential oils (EOs) obtained from five plant species, Cymbopogon citrates (D. C.) Stapf. (Poaceae), Cymbopogon nardus (Linn.) Rendle (Poaceae), Eucalyptus camaldulensis Linn. (Myrtaceae), Lippia multiflora Moldenke (Verbenaceae), and Ocimum americanum Linn. Lamiaceae, and combinations of Cymbopogon nardus and Ocimum americanum on Ae. aegypti populations from Bobo-Dioulasso. For this purpose, adults of the susceptible and field strains of Ae. aegypti were tested in WHO tubes with EO alone and binary combinations of O. americanum (OA) and C. nardus (CN; scored from C1 to C9). The extraction of the essential oils was done by hydrodistillation, and their components were determined by GC/MS. Among the 5 EOs tested, L. multiflora essential oil was the most efficient, with KDT50 values below 60 min on all Ae. aegypti strains tested, and also with a rate of mortality up to 100 and 85% for Bora Bora and Bobo-Dioulasso strains, respectively. This efficacy may be due to its major compounds which are with major compounds as β-caryophyllene, p-cymene, thymol acetate, and 1.8 cineol. Interestingly, on all strains, C8 combination showed a synergistic effect, while C2 showed an additive effect. These combinations exhibit a rate of mortality varying from 80 to 100%. Their toxicity would be due to the major compounds and the putative combined effects of some major and minor compounds. More importanly, L. multiflora EO and combinations of C. nardus and O. americanum EO, may be used as alternatives against pyrethroid resistant of Ae. aegypti.
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Affiliation(s)
- Mahamoudou Balboné
- Laboratoire d'Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre (UFR-SVT), Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
| | - Dieudonné Diloma Soma
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso BP 545, Burkina Faso
| | - Samuel Fogné Drabo
- Laboratoire d'Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre (UFR-SVT), Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
| | - Moussa Namountougou
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso BP 545, Burkina Faso
- Université Nazi Boni, Bobo-Dioulasso, Burkina Faso
| | - Hamadou Konaté
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso BP 545, Burkina Faso
- Université Nazi Boni, Bobo-Dioulasso, Burkina Faso
| | - Georges Benson Meda
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso BP 545, Burkina Faso
| | - Ignace Sawadogo
- Institut de Recherche en Sciences Appliquées et Technologies, Ouagadougou 03 BP 7047, Burkina Faso
| | - Rahim Romba
- Laboratoire d'Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre (UFR-SVT), Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
| | - Etienne Bilgo
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso BP 545, Burkina Faso
| | - Roger C H Nebié
- Institut de Recherche en Sciences Appliquées et Technologies, Ouagadougou 03 BP 7047, Burkina Faso
| | - Imaël H N Bassolé
- Laboratoire d'Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre (UFR-SVT), Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
| | - Roch K Dabire
- Institut de Recherche en Sciences de la Santé/Centre Muraz, Bobo-Dioulasso BP 545, Burkina Faso
| | - Olivier Gnankine
- Laboratoire d'Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre (UFR-SVT), Université Joseph KI-ZERBO, Ouagadougou, Burkina Faso
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Balboné M, Sawadogo I, Soma DD, Drabo SF, Namountougou M, Bayili K, Romba R, Meda GB, Nebié HCR, Dabire RK, Bassolé IHN, Gnankine O. Essential oils of plants and their combinations as an alternative adulticides against Anopheles gambiae (Diptera: Culicidae) populations. Sci Rep 2022; 12:19077. [PMID: 36352066 PMCID: PMC9646863 DOI: 10.1038/s41598-022-23554-6] [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: 04/30/2022] [Accepted: 11/02/2022] [Indexed: 11/11/2022] Open
Abstract
The persistence of malaria and the increasing of resistance of Anopheles gambiae species to chemicals remain major public health concerns in sub-Saharan Africa. Faced to these concerns, the search for alternative vector control strategies as use of essential oils (EOs) need to be implemented. Here, the five EOs from Cymbopogon citratus, Cymbopogon nardus, Eucalyptus camaldulensis, Lippia multiflora, Ocimum americanum obtained by hydro distillation were tested according to World Health Organization procedures on An. gambiae "Kisumu" and field strains collected in "Vallée du Kou". Also, the binary combinations of C. nardus (Cn) and O. americanum (Oa) were examined. As results, among the EOs tested, L. multiflora was the most efficient on both An. gambiae strains regarding KDT50 (50% of mosquitoes knock down time) and KDT95 and rate of morality values. Our current study showed that C8 (Cn 80%: Oa 20%) and C9 (Cn 90%: Oa 10%), were the most toxic to An. gambiae strain "Vallée de Kou" (VK) with the mortality rates reaching 80.7 and 100% at 1% concentration, respectively. These two binary combinations shown a synergistic effect on the susceptible population. However, only C9 gave a synergistic effect on VK population. The bioactivity of the two EOs, C. nardus and O. americanum, was improved by the combinations at certain proportions. The resistance ratios of all EOs and of the combinations were low (< 5). The combinations of C. nardus and O. americanum EOs at 90: 10 ratio and to a lesser extent L. multiflora EO, could be used as alternative bio-insecticides against malaria vectors resistant to pyrethroids in vector control programmes.
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Affiliation(s)
- Mahamoudou Balboné
- Laboratoire d’Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre, Université Joseph KI-ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Ignace Sawadogo
- grid.433132.40000 0001 2165 6445Institut de Recherche en Sciences Appliquées et Technologies, 03 BP 7047, Ouagadougou, Burkina Faso
| | - Dieudonné Diloma Soma
- grid.418128.60000 0004 0564 1122Institut de Recherche en Sciences de la Santé/Centre Muraz, BP 545, Bobo-Dioulasso, Burkina Faso
| | - Samuel Fogné Drabo
- Laboratoire d’Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre, Université Joseph KI-ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Moussa Namountougou
- grid.418128.60000 0004 0564 1122Institut de Recherche en Sciences de la Santé/Centre Muraz, BP 545, Bobo-Dioulasso, Burkina Faso ,grid.442667.50000 0004 0474 2212Université Nazi Boni, 01 BP 1091, Bobo-Dioulasso, Burkina Faso
| | - Koama Bayili
- grid.418128.60000 0004 0564 1122Institut de Recherche en Sciences de la Santé/Centre Muraz, BP 545, Bobo-Dioulasso, Burkina Faso
| | - Rahim Romba
- Laboratoire d’Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre, Université Joseph KI-ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Georges Benson Meda
- grid.418128.60000 0004 0564 1122Institut de Recherche en Sciences de la Santé/Centre Muraz, BP 545, Bobo-Dioulasso, Burkina Faso
| | - Honorat Charles Roger Nebié
- grid.433132.40000 0001 2165 6445Institut de Recherche en Sciences Appliquées et Technologies, 03 BP 7047, Ouagadougou, Burkina Faso
| | - Roch K. Dabire
- grid.418128.60000 0004 0564 1122Institut de Recherche en Sciences de la Santé/Centre Muraz, BP 545, Bobo-Dioulasso, Burkina Faso
| | - Imaël H. N. Bassolé
- Laboratoire d’Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre, Université Joseph KI-ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
| | - Olivier Gnankine
- Laboratoire d’Entomologie Fondamentale et Appliquée, Unité de Formation et de Recherche en Sciences de la Vie et de la Terre, Université Joseph KI-ZERBO, 03 BP 7021, Ouagadougou, Burkina Faso
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10
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Boukraa N, Ladjel S, Benlamoudi W, Goudjil MB, Berrekbia M, Eddoud A. Insecticidal and repellent activities of Artemisia herba alba Asso, Juniperus phoenicea L and Rosmarinus officinalis L essential oils in synergized combinations against adults of Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae). BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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11
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Wangrawa DW, Ochomo E, Upshur F, Zanré N, Borovsky D, Lahondere C, Vinauger C, Badolo A, Sanon A. Essential oils and their binary combinations have synergistic and antagonistic insecticidal properties against Anopheles gambiae s. l. (Diptera: Culicidae). BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Bautista-Hernández I, Aguilar CN, Martínez-Ávila GCG, Torres-León C, Ilina A, Flores-Gallegos AC, Kumar Verma D, Chávez-González ML. Mexican Oregano ( Lippia graveolens Kunth) as Source of Bioactive Compounds: A Review. Molecules 2021; 26:molecules26175156. [PMID: 34500592 PMCID: PMC8434378 DOI: 10.3390/molecules26175156] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/03/2021] [Accepted: 07/13/2021] [Indexed: 05/08/2023] Open
Abstract
Lippia graveolens is a traditional crop and a rich source of bioactive compounds with various properties (e.g., antioxidant, anti-inflammatory, antifungal, UV defense, anti-glycemic, and cytotoxicity) that is primarily cultivated for essential oil recovery. The isolated bioactive compounds could be useful as additives in the functional food, nutraceuticals, cosmetics, and pharmaceutical industries. Carvacrol, thymol, β-caryophyllene, and p-cymene are terpene compounds contained in oregano essential oil (OEO); flavonoids such as quercetin O-hexoside, pinocembrin, and galangin are flavonoids found in oregano extracts. Furthermore, thermoresistant compounds that remain in the plant matrix following a thermal process can be priced in terms of the circular economy. By using better and more selective extraction conditions, the bioactive compounds present in Mexican oregano can be studied as potential inhibitors of COVID-19. Also, research on extraction technologies should continue to ensure a higher quality of bioactive compounds while preventing an undesired chemical shift (e.g., hydrolysis). The oregano fractions can be used in the food, health, and agricultural industries.
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Affiliation(s)
- Israel Bautista-Hernández
- Bioprocesses and Bioproducts Research Group, Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo 25280, Mexico; (I.B.-H.); (A.I.); or (A.C.F.-G.)
| | - Cristóbal N. Aguilar
- Bioprocesses and Bioproducts Research Group, Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo 25280, Mexico; (I.B.-H.); (A.I.); or (A.C.F.-G.)
- Correspondence: (M.L.C.-G.); (C.N.A.); Tel.: +52-844-4161238 (C.N.A.)
| | - Guillermo C. G. Martínez-Ávila
- Laboratory of Chemistry and Biochemistry, School of Agronomy, Universidad Autónoma de Nuevo León, General Escobedo, Monterrey 66050, Mexico;
| | - Cristian Torres-León
- Ethnobiological Garden and Research Center-UadeC (CIJE), Universidad Autónoma de Coahuila, Saltillo 27480, Mexico;
| | - Anna Ilina
- Bioprocesses and Bioproducts Research Group, Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo 25280, Mexico; (I.B.-H.); (A.I.); or (A.C.F.-G.)
| | - Adriana C. Flores-Gallegos
- Bioprocesses and Bioproducts Research Group, Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo 25280, Mexico; (I.B.-H.); (A.I.); or (A.C.F.-G.)
| | - Deepak Kumar Verma
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721 302, India;
| | - Mónica L. Chávez-González
- Bioprocesses and Bioproducts Research Group, Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo 25280, Mexico; (I.B.-H.); (A.I.); or (A.C.F.-G.)
- Correspondence: (M.L.C.-G.); (C.N.A.); Tel.: +52-844-4161238 (C.N.A.)
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13
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Pereira Filho AA, Pessoa GCD, Yamaguchi LF, Stanton MA, Serravite AM, Pereira RHM, Neves WS, Kato MJ. Larvicidal Activity of Essential Oils From Piper Species Against Strains of Aedes aegypti (Diptera: Culicidae) Resistant to Pyrethroids. FRONTIERS IN PLANT SCIENCE 2021; 12:685864. [PMID: 34149785 PMCID: PMC8213341 DOI: 10.3389/fpls.2021.685864] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 04/27/2021] [Indexed: 06/12/2023]
Abstract
The continuous and indiscriminate use of insecticides has been responsible for the emergence of insecticide resistant vector insect populations, especially in Aedes aegypti. Thus, it is urgent to find natural insecticide compounds with novel mode of action for vector control. The goal of this study was to investigate the larvicidal activity of essential oils (EOs) from Piper species against A. aegypti characterized as resistant and susceptible strains to pyrethroids. The EOs from leaves of 10 Piper species were submitted to the evaluation of larvicidal activity in populations of A. aegypti in agreement with the (World Health Organization, 2005) guidelines. The resistance of the strains characterized by determining the lethal concentrations (LCs) with the insecticide deltamethrin (positive control). The major compounds of the EOs from Piper species was identified by GC-MS. The EOs from Piper aduncum, P. marginatum, P. gaudichaudianum, P. crassinervium, and P. arboreum showed activity of up to 90% lethality at 100 ppm (concentration for screening). The activities of the EOs from these 6 species showed similar LCs in both susceptible strain (Rockefeller) and resistant strains (Pampulha and Venda Nova) to pyrethroids. The major compounds identified in the most active EO were available commercially and included β-Asarone, (E)-Anethole, (E)-β-Caryophyllene, γ-Terpinene, p-Cymene, Limonene, α-Pinene, and β-Pinene. Dillapiole was purified by from EO of P. aduncum. The phenylpropanoids [Dillapiole, (E)-Anethole and β-Asarone] and monoterpenes (γ-Terpinene, p-Cymene, Limonene, α-Pinene, and β-Pinene) showed larvicidal activity with mortality between 90 and 100% and could account for the toxicity of these EOs, but the sesquiterpene (E)-β-Caryophyllene, an abundant component in the EOs of P. hemmendorffii and P. crassinervium, did not show activity on the three populations of A. aegypti larvae at a concentration of 100 ppm. These results indicate that Piper's EOs should be further evaluated as a potential larvicide, against strains resistant to currently used pesticides, and the identification of phenylpropanoids and monoterpenes as the active compounds open the possibility to study their mechanism of action.
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Affiliation(s)
- Adalberto Alves Pereira Filho
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia/ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Grasielle C. D‘Ávila Pessoa
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia/ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lydia F. Yamaguchi
- Laboratory of Natural Product Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, Brazil
| | - Mariana Alves Stanton
- Laboratory of Natural Product Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, Brazil
| | - Artur M. Serravite
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia/ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Rafael H. M. Pereira
- Laboratório de Fisiologia de Insetos Hematófagos, Departamento de Parasitologia/ICB, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Welber S. Neves
- Laboratory of Natural Product Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, Brazil
| | - Massuo Jorge Kato
- Laboratory of Natural Product Chemistry, Department of Fundamental Chemistry, University of São Paulo, São Paulo, Brazil
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Subaharan K, Senthoorraja R, Manjunath S, Thimmegowda GG, Pragadheesh VS, Bakthavatsalam N, Mohan MG, Senthil-Nathan S, David KJ, Basavarajappa S, Ballal C. Toxicity, behavioural and biochemical effect of Piper betle L. essential oil and its constituents against housefly, Musca domestica L. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 174:104804. [PMID: 33838705 DOI: 10.1016/j.pestbp.2021.104804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 02/15/2021] [Accepted: 02/20/2021] [Indexed: 05/06/2023]
Abstract
Housefly, Musca domestica L. is a pest of public health importance and is responsible for spreading diseases like typhoid, diarrhoea, plague etc. Indiscriminate reliance on synthetic insecticides has led to development of insecticide resistance and ill effect to humans and nontarget animals. This demands an alternative and safer pest control option. This study evaluates the biological effect of Piper betle L essential oil and its constituent eugenol, eugenol acetate, and β - caryophyllene on the housefly. The major components present in P. betel EO were safrole (44.25%), eugenol (5.16%), β -caryophyllene (5.98%), β -selinene (5.93%), α-selinene (5.27%) and eugenol acetate (9.77%). Eugenol caused 4.5fold higher ovicidal activity (EC50 86.99 μg/ml) than P. betle EO (EC50 390.37 μg/ml). Eugenol caused fumigant toxicity to adults (LC50 88.38 mg/dm3). On contact toxicity by topical application, eugenol acetate, eugenol and β-caryophyllene caused higher mortality to larval and adult stages than EO. FESEM (Field Emission Scanning Electron Microscope) images reveal that exposure to P. betle EO causes the shrinkage of the larval cuticle. Both EO and eugenol induced the detoxifying enzymes Carboxyl esterase (Car E) and Glutathione S - transferases (GST) in larvae and adults. EO and eugenol at 0.2% caused effective repellence and oviposition deterrence to M. domestica adults and this merits their use as alternative strategy to manage M. domestica.
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Affiliation(s)
- Kesavan Subaharan
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India.
| | - Rajendran Senthoorraja
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India; DOS in Zoology, University of Mysore, Mysore 570006, India
| | - Sowmya Manjunath
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India
| | | | - Vppalayam Shanmugam Pragadheesh
- National Centre for Biological Sciences - TIFR, Bengaluru 560065, India; CSIR- Central Institute of Medicinal and Aromatic Plants, Regional Centre, Bengaluru 560065, India
| | - Nandagopal Bakthavatsalam
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India
| | - Muthu Gounder Mohan
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India
| | - Sengottayan Senthil-Nathan
- Division of Biopesticides and Environmental Toxicology, Sri Paramakalyani Centre for Excellence in Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tirunelveli 627412, Tamil Nadu, India
| | - Karamankodu Jacob David
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India
| | | | - Chandish Ballal
- Division of Germplasm Conservation and Utilization, ICAR - National Bureau of Agricultural Insect Resources, Bengaluru 560024, India
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Aljaafari MN, AlAli AO, Baqais L, Alqubaisy M, AlAli M, Molouki A, Ong-Abdullah J, Abushelaibi A, Lai KS, Lim SHE. An Overview of the Potential Therapeutic Applications of Essential Oils. Molecules 2021; 26:628. [PMID: 33530290 PMCID: PMC7866131 DOI: 10.3390/molecules26030628] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 12/27/2022] Open
Abstract
The emergence of antimicrobial resistance (AMR) has urged researchers to explore therapeutic alternatives, one of which includes the use of natural plant products such as essential oils (EO). In fact, EO obtained from clove, oregano, thymus, cinnamon bark, rosemary, eucalyptus, and lavender have been shown to present significant inhibitory effects on bacteria, fungi, and viruses; many studies have been done to measure EO efficacy against microorganisms. The strategy of combinatory effects via conventional and non-conventional methods revealed that the combined effects of EO-EO or EO-antibiotic exhibit enhanced efficacy. This paper aims to review the antimicrobial effects of EO, modes of EO action (membrane disruption, efflux inhibition, increase membrane permeability, and decrease in intracellular ATP), and their compounds' potential as effective agents against bacteria, fungi, and viruses. It is hoped that the integration of EO applications in this work can be used to consider EO for future clinical applications.
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Affiliation(s)
- Mariam Nasser Aljaafari
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
| | - Asma Obaid AlAli
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
| | - Laila Baqais
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
| | - Maream Alqubaisy
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
| | - Mudhi AlAli
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
| | - Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Karaj 31585-854, Iran;
| | - Janna Ong-Abdullah
- Department of Cell and Molecular Biology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, 43400 Selangor, Malaysia;
| | | | - Kok-Song Lai
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
| | - Swee-Hua Erin Lim
- Health Sciences Division, Abu Dhabi Women’s College, Higher Colleges of Technology, 41012 Abu Dhabi, UAE; (M.N.A.); (A.O.A.); (L.B.); (M.A.); (M.A.); (K.-S.L.)
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16
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Lu T, Zhang Q, Zhang Z, Hu B, Chen J, Chen J, Qian H. Pollutant toxicology with respect to microalgae and cyanobacteria. J Environ Sci (China) 2021; 99:175-186. [PMID: 33183695 DOI: 10.1016/j.jes.2020.06.033] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/24/2020] [Accepted: 06/28/2020] [Indexed: 05/11/2023]
Abstract
Microalgae and cyanobacteria are fundamental components of aquatic ecosystems. Pollution in aquatic environment is a worldwide problem. Toxicological research on microalgae and cyanobacteria can help to establish a solid foundation for aquatic ecotoxicological assessments. Algae and cyanobacteria occupy a large proportion of the biomass in aquatic environments; thus, their toxicological responses have been investigated extensively. However, the depth of toxic mechanisms and breadth of toxicological investigations need to be improved. While existing pollutants are being discharged into the environment daily, new ones are also being produced continuously. As a result, the phenomenon of water pollution has become unprecedentedly complex. In this review, we summarize the latest findings on five kinds of aquatic pollutants, namely, metals, nanomaterials, pesticides, pharmaceutical and personal care products (PPCPs), and persistent organic pollutants (POPs). Further, we present information on emerging pollutants such as graphene, microplastics, and ionic liquids. Efforts in studying the toxicological effects of pollutants on microalgae and cyanobacteria must be increased in order to better predict the potential risks posed by these materials to aquatic ecosystems as well as human health.
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Affiliation(s)
- Tao Lu
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Qi Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Zhenyan Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Baolan Hu
- Department of Environmental Engineering, Zhejiang University, Hangzhou 310058, China
| | - Jianmeng Chen
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Jun Chen
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Haifeng Qian
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China.
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17
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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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18
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Mānuka Oil-A Review of Antimicrobial and Other Medicinal Properties. Pharmaceuticals (Basel) 2020; 13:ph13110343. [PMID: 33114724 PMCID: PMC7694078 DOI: 10.3390/ph13110343] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/07/2020] [Accepted: 10/09/2020] [Indexed: 12/16/2022] Open
Abstract
Mānuka oil is an essential oil derived from Leptospermum scoparium, a plant that has been used by the indigenous populations of New Zealand and Australia for centuries. Both the extracted oil and its individual components have been associated with various medicinal properties. Given the rise in resistance to conventional antibiotics, natural products have been targeted for the development of antimicrobials with novel mechanism of action. This review aimed to collate available evidence on the antimicrobial, anti-parasitic and anti-inflammatory activities of mānuka oil and its components. A comprehensive literature search of was conducted using PubMed and Embase (via Scopus) targeting articles from database inception until June 2020. Chemical structures and IUPAC names were sourced from PubChem. Unpublished information from grey literature databases, Google search, targeted websites and Google Patents were also included. The present review found extensive in vitro data supporting the antimicrobial effects of mānuka oil warrants further clinical studies to establish its therapeutic potential. Clinical evidence on its efficacy, safety and dosing guidelines are necessary for its implementation for medical purposes. Further work on regulation, standardization and characterization of the medicinal properties of mānuka oil is required for establishing consistent efficacy of the product.
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19
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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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Gong X, Ren Y. Larvicidal and ovicidal activity of carvacrol, p-cymene, and γ-terpinene from Origanum vulgare essential oil against the cotton bollworm, Helicoverpa armigera (Hübner). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:18708-18716. [PMID: 32207008 DOI: 10.1007/s11356-020-08391-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/10/2020] [Indexed: 05/27/2023]
Abstract
This study evaluated the larvicidal activity, and ovicidal activity of Origanum vulgare EO and its major components against the cotton bollworm, Helicoverpa armigera. The chemical composition of the O. vulgare EO was analyzed by gas chromatography-mass spectroscopy. GC-MS analysis revealed that the O. vulgare EO was composed of ten compounds. The major constituents were carvacrol (78.35%), followed by p-cymene (6.85%) and γ-terpinene (3.70%). In larvicidal activity assay, the O. vulgare EO achieved a LC50 value of 265.51 μg/ml. The three major constituents from the O. vulgare EO were tested individually for toxicity against larvae of H. armigera. Carvacrol, p-cymene, and γ-terpinene appeared to be most effective against H. armigera, with LC50 values of 51.53, 121.32, and 150.15 μg/ml, respectively. Moreover, EC50 values of carvacrol, p-cymene, and γ-terpinene against H. armigera eggs were 33.48, 47.85, and 56.54 μg/ml, respectively. Overall, this study showed that O. vulgare EO and its major constituents have the potential to develop as new eco-friendly insecticides against H. armigera.
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Affiliation(s)
- Xue Gong
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
| | - Yujian Ren
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Virology and Biotechnology, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
- Zhejiang A&F University, Hangzhou, 311300, China
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Borrero-Landazabal MA, Duque JE, Mendez-Sanchez SC. Model to design insecticides against Aedes aegypti using in silico and in vivo analysis of different pharmacological targets. Comp Biochem Physiol C Toxicol Pharmacol 2020; 229:108664. [PMID: 31707089 DOI: 10.1016/j.cbpc.2019.108664] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Revised: 10/29/2019] [Accepted: 11/01/2019] [Indexed: 01/10/2023]
Abstract
Compounds having insecticidal activity can be used to control Aedes aegypti mosquitoes, a major worldwide vector, and several plants have a source of such molecules. A principal component analysis (PCA) was carried out to determine the criterion to select larvicidal metabolites. The insecticidal activity of seven selected metabolites by PCA was validated by determining its lethal concentrations 50 (LC50) by probit analysis. Six of the seven evaluated molecules presented LC50 values <100 ppm. The effects of these six molecules on acetylcholinesterase and the respiratory chain complexes of the mitochondria of Ae. aegypti were evaluated. Four metabolites presenting the highest inhibition effects on these targets were mixed in 11 different combinations, and the percentage of mortality of each mixture on Ae. aegypti larvae were determined. Secondary metabolites such as geranyl acetate, α-humulene, β-caryophyllene, geraniol, nerol, and n-octanol presented LC50 values under 100 ppm (44, 41, 48, 84, 87, and 98 ppm, respectively), whereas 1,8-cineole presented a LC50 value of 183 ppm. We found that, geranyl acetate, α-humulene, β-caryophyllene, nerol, n-octanol, and geraniol inhibited at least one of the six targets with an efficiency between 25 and 41%. Overall, the evaluation of the different mixtures revealed a synergistic effect between geranyl acetate and geraniol, and an antagonistic effect between α-humulene and β-caryophyllene compounds.
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Affiliation(s)
- Mayra A Borrero-Landazabal
- Grupo de Investigaciones en Bioquímica y Microbiología (GIBIM), Escuela de Química, Universidad Industrial de Santander, Bucaramanga A.A. 678, Colombia; Centro de Investigaciones en Enfermedades Tropicales - CINTROP, Facultad de Salud, Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander Parque Tecnológico y de Investigaciones Guatiguara, Km 2 Vía El Refugio, Piedecuesta, Santander, Colombia
| | - Jonny E Duque
- Centro de Investigaciones en Enfermedades Tropicales - CINTROP, Facultad de Salud, Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander Parque Tecnológico y de Investigaciones Guatiguara, Km 2 Vía El Refugio, Piedecuesta, Santander, Colombia.
| | - Stelia C Mendez-Sanchez
- Grupo de Investigaciones en Bioquímica y Microbiología (GIBIM), Escuela de Química, Universidad Industrial de Santander, Bucaramanga A.A. 678, Colombia.
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Leptospermum scoparium essential oil is a promising source of mosquito larvicide and its toxicity is enhanced by a biobased emulsifier. PLoS One 2020; 15:e0229076. [PMID: 32078653 PMCID: PMC7032722 DOI: 10.1371/journal.pone.0229076] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 01/28/2020] [Indexed: 11/19/2022] Open
Abstract
Synthetic pesticides are the cornerstone of vector-borne disease control, but alternatives are urgently needed to tackle the growing problem of insecticide resistance and concerns over environmental safety. Leptospermum scoparium J.R. Forst and G. Forst (manuka) essential oil and its four fractions were analyzed for chemical composition and toxicity against Aedes aegypti larvae. The use of bio-based amylose-N-1-hexadecylammonium chloride inclusion complexes (Hex-Am) as an emulsifier for L. scoparium essential oil was also investigated. Fraction 1 was inactive, fractions 2 (LC50 = 12.24 ppm) and 3 (LC50 = 20.58 ppm) were more toxic than the whole essential oil (LC50 = 47.97 ppm), and fraction 4 (LC50 = 35.87 ppm) had similar toxicity as the whole essential oil. Twenty-one chemical constituents were detected in L. scoparium essential oil compared to 16, 5, 19 and 25 chemical constituents in fractions, 1, 2, 3 and 4 respectively. The two most dominant chemical constituents were calamenene (17.78%) and leptospermone (11.86%) for L. scoparium essential oil, calamenene (37.73%) and ledene (10.37%) for fraction 1, leptospermone (56.6%) and isoleptospermone (19.73) for fraction 2, cubenol (24.30%) and caryophyllene oxide (12.38%) for fraction 3, and γ-gurjunene (21.62%) and isoleptospermone (7.88%) for fraction 4. Alpha-pinene, ledene, and aromandendrene were 2–7 times less toxic than the whole essential suggesting that the toxicity of L. scoparium essential oil was either due to other chemical constituents that were not tested or due synergist interactions among chemical constituents. Leptospermum scoparium essential oil-Hex-Am emulsion (LC50 = 29.62) was more toxic than the whole essential oil. These findings suggest that L. scoparium essential oil is a promising source of mosquito larvicide and that Hex-Am is an excellent emulsifier for L. scoparium essential oil for use as a larvicide.
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Huang Y, Lin M, Jia M, Hu J, Zhu L. Chemical composition and larvicidal activity against Aedes mosquitoes of essential oils from Arisaema fargesii. PEST MANAGEMENT SCIENCE 2020; 76:534-542. [PMID: 31270930 DOI: 10.1002/ps.5542] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/22/2019] [Accepted: 06/28/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Dengue fever is caused by the spread of dengue virus by Aedes mosquito vectors. Currently, the most effective way to control dengue is by preventing mosquitoes from spreading the disease. Arisaema fargesii is a Chinese herbal medicine commonly used to repel mosquitoes. In our laboratory, anti-mosquito chemical components were extracted from A. fargesii, and the effects of these substances on mosquito larvae were examined. RESULTS In total, 48 compounds corresponding to 98.79% of the total oil were identified and the major compounds identified were linalool (12.38%), carvacrol (8.27%), eugenol (5.21%), and β-selinene (5.36%). Essential oil had larvicidal activity against Ae. aegypti and Ae. albopictus with LC50 values of 40.49 mg/L, 47.01 mg/L, respectively. The LC50 values of carvacrol, eugenol, linalool and β-selinene were 32.78, 56.34, 70.56, 136.03 mg/L against Ae. aegypti larvae, and 39.08, 52.07, 82.34, 151.74 mg/L, respectively, against Ae. albopictus larvae. Biochemical assays of Aedes larvae showed that the activities of acetylcholinesterase (AChE), monooxygenases (MO), glutathione-S-transferase (GST), p-Nitrophenyl acetate (p-NPA) esterase, α-esterase and β-esterase were significantly affected by carvacrol. Essential oil induced the detoxification mechanism for the action of GST and MO. CONCLUSION The result indicates that essential oil of A. fargesii and its isolated constituent have good inhibitory effects on the defense enzymes of Aedes mosquito larvae. A. fargesii essential oil can be used to control Aedes mosquito larvae to prevent the spread of dengue fever. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Yuting Huang
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Mengya Lin
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Mengmeng Jia
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Junpeng Hu
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
| | - Liang Zhu
- School of Food Science and engineering, South China University of Technology, Guangzhou, Guangdong Province, China
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Amylose Inclusion Complexes as Emulsifiers for Garlic and Asafoetida Essential Oils for Mosquito Control. INSECTS 2019; 10:insects10100337. [PMID: 31614606 PMCID: PMC6835272 DOI: 10.3390/insects10100337] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 09/20/2019] [Accepted: 10/08/2019] [Indexed: 01/24/2023]
Abstract
Although the insecticidal properties of some plant essential oils are well-documented, their use in integrated pest and vector management is complicated by their high volatility, low thermal stability, high sensitivity to oxidation, and low solubility in water. We investigated the use of bio-based N-1-hexadecylammonium chloride and sodium palmitate amylose inclusion complexes as emulsifiers for two essential oils, garlic and asafoetida, known to be highly toxic to mosquito larvae. Four emulsions of each essential oil based on amylose hexadecylammonium chloride and amylose sodium palmitate inclusion complexes were evaluated for their toxicity against Aedes aegypti L. larvae relative to bulk essential oils. All emulsions were significantly more toxic than the bulk essential oil with the lethal dosage ratios ranging from 1.09-1.30 relative to bulk essential oil. Droplet numbers ranged from 1.11 × 109 to 9.55 × 109 per mL and did not change significantly after a 6-month storage period. These findings demonstrated that amylose inclusion complexes enhanced the toxicity of essential oils and could be used to develop new essential oil based larvicides for use in integrated vector management.
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Xie Y, Huang Q, Rao Y, Hong L, Zhang D. Efficacy of Origanum vulgare essential oil and carvacrol against the housefly, Musca domestica L. (Diptera: Muscidae). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:23824-23831. [PMID: 31209751 DOI: 10.1007/s11356-019-05671-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 06/03/2019] [Indexed: 05/27/2023]
Abstract
The toxicity of Origanum vulgare essential oil to the housefly Musca domestica L. was evaluated. The major constituents of the O. vulgare essential oil by gas chromatographic mass spectrometry (GC-MS) analysis were carvacrol (58.13%), p-cymene (17.85%), thymol (8.15%), γ-terpinene (4.96%), and linalool (3.69%). Toxicity of O. vulgare essential oil against larvae and pupae was evaluated using fumigation and contact assays. The contact toxicity (LC50) of O. vulgare essential oil and carvacrol for larvae was 0.23 and 0.03 μL/cm2, respectively. The fumigation toxicity (LC50) of O. vulgare essential oil and carvacrol for larvae was 9.52 and 2.78 μL/L, respectively. Pupal toxicity was evaluated by percentage inhibition rate (PIR). PIR of O. vulgare essential oil at 0.25 μL/cm2 was 90.9% for the contact assay and 100% at 20 μL/L for the fumigation assay. PIR of carvacrol was 29.5% (0.025 μL/cm2) and 81.8% (1.25 μL/L) for the contact toxicity and fumigation assay, respectively. O. vulgare essential oil and carvacrol have significant toxicity to the housefly and are potential insecticides for housefly control.
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Affiliation(s)
- Yongjian Xie
- School of Agricultural and Food Science, Zhejiang A&F University, Hangzhou, 311300, People's Republic of China
| | - Qianqian Huang
- School of Agricultural and Food Science, Zhejiang A&F University, Hangzhou, 311300, People's Republic of China
| | - Yuqing Rao
- School of Agricultural and Food Science, Zhejiang A&F University, Hangzhou, 311300, People's Republic of China
| | - Liang Hong
- School of Agricultural and Food Science, Zhejiang A&F University, Hangzhou, 311300, People's Republic of China
| | - Dayu Zhang
- School of Agricultural and Food Science, Zhejiang A&F University, Hangzhou, 311300, People's Republic of China.
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26
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Muturi EJ, Doll K, Berhow M, Flor-Weiler LB, Rooney AP. Honeysuckle essential oil as a potential source of ecofriendly larvicides for mosquito control. PEST MANAGEMENT SCIENCE 2019; 75:2043-2048. [PMID: 30632272 DOI: 10.1002/ps.5327] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 12/19/2018] [Accepted: 01/07/2019] [Indexed: 06/09/2023]
Abstract
BACKGROUND Some plant essential oils have insecticidal properties against mosquitoes and can be harnessed as ecofriendly tools for mosquito control. We conducted bioassays to determine the toxicity of Italian honeysuckle (Lonicera caprifolium) essential oil and its fractions against larvae of the yellow fever mosquito, Aedes aegypti. RESULTS Sixteen constituents were identified in honeysuckle essential oil compared to 15, 15, 15, and 11 constituents in fractions A, B, C, and E, respectively. The chemical constituents for fraction D were not determined due to lack of enough fraction sample. The two major constituents identified were patchouli alcohol (29.3%) and 6-acetyl-1,1,2,4,4,7-hexamethyltetralin (20.6%) in whole essential oil, alpha-bulnesene (27.6%) and 6-acetyl-1,1,2,4,4,7-hexamethyltetralin (23.2%) in fraction A, unknown chemical (47.3%) and diethyl phthalate (19.5%) in fraction B, unknown chemical (38.3%) and diethyl phthalate (23.2%) in fraction C, and patchouli alcohol (58.7%) and diethyl phthalate (20.5%) in fraction E. The LC50 for whole essential oil was 34.4 ppm and significantly higher than 20.6, 19.7, 18.6, and 17.7 ppm for fractions B, C, D, and E, respectively. In contrast, fraction A was inactive. At 50 ppm, all individual constituents tested were less toxic than the whole essential oil with exception of patchouli alcohol, which caused 100% mortality. CONCLUSION These findings suggest that patchouli alcohol is one of the chemical constituents responsible for bioactivity of honeysuckle essential oil and some of its fractions. The findings also demonstrate that honey suckle essential oil and its fractions can be exploited as a source of ecofriendly larvicides for mosquito control. Published 2019. This article is a U.S. Government work and is in the public domain in the USA.
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Affiliation(s)
- Ephantus J Muturi
- Crop Bioprotection Research Unit, U.S. Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Peoria, IL, USA
| | - Kenneth Doll
- Bio-Oils Research Unit, U.S. Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Peoria, IL, USA
| | - Mark Berhow
- Functional Foods Research Unit, U.S. Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Peoria, IL, USA
| | - Lina B Flor-Weiler
- Crop Bioprotection Research Unit, U.S. Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Peoria, IL, USA
| | - Alejandro P Rooney
- Crop Bioprotection Research Unit, U.S. Department of Agriculture, Agricultural Research Service, National Center for Agricultural Utilization Research, Peoria, IL, USA
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Jeong YE, Lee MY. Anti-Inflammatory Activity of Populus deltoides Leaf Extract via Modulating NF-κB and p38/JNK Pathways. Int J Mol Sci 2018; 19:ijms19123746. [PMID: 30477268 PMCID: PMC6320835 DOI: 10.3390/ijms19123746] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 11/16/2018] [Accepted: 11/21/2018] [Indexed: 12/14/2022] Open
Abstract
Populus deltoides, known as eastern cottonwood, has been commonly used as a medicinal plant. The aim of the present study was to investigate the mechanism underlying the anti-inflammatory activity of P. deltoides leaf extract (PLE). PLE effectively inhibited the expression of inducible nitric oxide synthase (iNOS) and nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells, but not that of cyclooxygenase-2 (COX-2) and prostaglandin E2. Proinflammatory tumor necrosis factor alpha (TNF-α) levels were also reduced by the extract. PLE inhibited the phosphorylation of nuclear factor-kappa B (NF-κB) and inhibitor of Kappa Bα (IκBα), and blunted LPS-triggered enhanced nuclear translocation of NF-κB p65. In mitogen-activated protein kinase (MAPK) signaling, PLE effectively decreased the phosphorylation of p38 and c-Jun N-terminal protein kinase (JNK), but not of extracellular signal-regulated kinase 1/2 (ERK1/2). Taken together, these results suggest that anti-inflammatory activity of P. deltoides leaf extract might be driven by iNOS and NO inhibition mediated by modulation of the NF-κB and p38/JNK signaling pathways.
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Affiliation(s)
- Ye Eun Jeong
- Department of Medical Science, College of Medical Science, Soonchunhyang University, Asan, Chungnam 31538, Korea.
| | - Mi-Young Lee
- Department of Medical Biotechnology, College of Medical Science, Soonchunhyang University, Asan, Chungnam 31538, Korea.
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Lee MY. Essential Oils as Repellents against Arthropods. BIOMED RESEARCH INTERNATIONAL 2018; 2018:6860271. [PMID: 30386794 PMCID: PMC6189689 DOI: 10.1155/2018/6860271] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 09/06/2018] [Indexed: 12/31/2022]
Abstract
The development of effective and safe repellents against arthropods is very important, because there are no effective vaccines against arthropod-borne viruses (arboviruses) and parasites. Arboviruses and parasites are transmitted to humans from arthropods, and mosquitoes are the most common arthropods associated with dengue, malaria, and yellow fever. Enormous efforts have been made to develop effective repellents against arthropods, and thus far synthetic repellents have been widely used. However, the use of synthetic repellents has raised several concerns in terms of environmental and human health risks and safety. Thus, plant essential oils (EOs) have been widely used as an alternative to synthetic repellents. In this review, we briefly introduce and summarize recent studies that have investigated EOs as insect repellents. Current technology and research trends to develop effective and safe repellents from plant EOs are also described in this review.
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Affiliation(s)
- Mi Young Lee
- Department of Medical Biotechnology, Soonchunhyang University, 22 Soonchunhyang–ro, Asan, Chungnam 31537, Republic of Korea
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Muturi EJ, Ramirez JL, Zilkowski B, Flor-Weiler LB, Rooney AP. Ovicidal and Larvicidal Effects of Garlic and Asafoetida Essential Oils Against West Nile Virus Vectors. JOURNAL OF INSECT SCIENCE (ONLINE) 2018; 18:4969330. [PMID: 29718505 PMCID: PMC5905380 DOI: 10.1093/jisesa/iey036] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Indexed: 05/09/2023]
Abstract
We examined the chemical composition of garlic and asafoetida essential oils and their individual and combined toxicity against larvae of Culex pipiens Linnaeus and Culex restuans Theobald (Diptera: Culicidae). The effect of the two essential oils on egg hatch was also examined. Ten and 12 compounds, respectively, were identified in garlic and asafoetida essential oils. Allyl disulfide (49.13%) and diallyl trisulfide (31.08%) were the most abundant compounds in garlic essential oil accounting for 80.2% of the total oil. In contrast, (E)-sec-butyl propenyl disulfide (30.03%), (Z)-sec-butyl propenyl disulfide (24.32%), and disulfide, methyl 1-(methylthio)propyl (21.87%) were the most abundant compounds in asafoetida essential oil. Allyl disulfide accounted for 7.38% of the total oil in asafoetida essential oil and was one of only three compounds found in both oils. For both mosquito species, garlic essential oil was more toxic than asafoetida essential oil with Cx. restuans (LC50: garlic = 2.7 ppm; asafoetida = 10.1 ppm) being more sensitive than Cx. pipiens (LC50: garlic = 7.5 ppm; asafoetida = 13.5 ppm). When combined, the two essential oils had antagonistic effects. The majority of Culex egg rafts exposed to garlic (73.1%) or asafoetida (55.8%) essential oils failed to hatch and larvae of the few that did hatch mostly died as first instars. Allyl disulfide exhibited strong ovicidal and larvicidal activity suggesting its important contribution to the overall toxicity of the two essential oils. Thus, garlic and asafoetida essential oils are potent mosquito ovicides and larvicides but if used jointly, they could undermine vector control programs.
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Affiliation(s)
- Ephantus J Muturi
- Crop Bioprotection Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Peoria, IL
- Corresponding author, e-mail: ;
| | - Jose L Ramirez
- Crop Bioprotection Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Peoria, IL
| | - Bruce Zilkowski
- Crop Bioprotection Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Peoria, IL
| | - Lina B Flor-Weiler
- Crop Bioprotection Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Peoria, IL
| | - Alejandro P Rooney
- Crop Bioprotection Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Peoria, IL
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