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| Content Provider | Springer Nature Link |
|---|---|
| Author | Govindarajan, Marimuthu Rajeswary, Mohan Arivoli, Subramanian Tennyson, Samuel Benelli, Giovanni |
| Copyright Year | 2016 |
| Abstract | Mosquitoes (Diptera: Culicidae) are important vectors of terms of public health relevance, especially in tropical and sub-tropical regions. The continuous and indiscriminate use of conventional pesticides for the control of mosquito vectors has resulted in the development of resistance and negative impacts on non-target organisms and the environment. Therefore, there is a need for development of effective mosquito control tools. In this study, the larvicidal and repellent activity of Zingiber nimmonii rhizome essential oil (EO) was evaluated against the malaria vector Anopheles stephensi, the dengue vector Aedes aegypti, and the lymphatic filariasis vector Culex quinquefasciatus. The chemical composition of the EO was analyzed by gas chromatography–mass spectroscopy (GC-MS). GC-MS revealed that the Z. nimmonii EO contained at least 33 compounds. Major constituents were myrcene, β-caryophyllene, α-humulene, and α-cadinol. In acute toxicity assays, the EO showed significant toxicity against early third-stage larvae of An. stephensi, Ae. aegypti, and Cx. quinquefasciatus, with LC50 values of 41.19, 44.46, and 48.26 μg/ml, respectively. Repellency bioassays at 1.0, 2.0, and 5.0 mg/cm2 of Z. nimmonii EO gave 100 % protection up to 120, 150, and 180 min. against An. stephensi, followed by Ae. aegypti (90, 120, and 150 min) and Cx. quinquefasciatus (60, 90, and 120 min). Furthermore, the EO was safer towards two non-target aquatic organisms, Diplonychus indicus and Gambusia affinis, with LC50 values of 3241.53 and 9250.12 μg/ml, respectively. Overall, this research adds basic knowledge to develop newer and safer natural larvicides and repellent from Zingiberaceae plants against malaria, dengue, and filariasis mosquito vectors. |
| Starting Page | 1807 |
| Ending Page | 1816 |
| Page Count | 10 |
| File Format | |
| ISSN | 09320113 |
| Journal | Parasitology Research |
| Volume Number | 115 |
| Issue Number | 5 |
| e-ISSN | 14321955 |
| Language | English |
| Publisher | Springer Berlin Heidelberg |
| Publisher Date | 2016-01-21 |
| Publisher Place | Berlin/Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Malaria Arbovirus Biosafety GC-MS Mosquito vectors Zingiberaceae Medical Microbiology Microbiology Immunology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Veterinary Parasitology Insect Science |
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