Repellency Potential, Chemical Constituents of Ocimum Plant Essential Oils, and Their Headspace Volatiles against Anopheles gambiae s. s., Malaria Vector

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dc.contributor.authorAcheampong, Akwasi
dc.contributor.authorOsei-Owusu, Jonathan
dc.contributor.authorHeve, William K.
dc.contributor.authorAidoo, Owusu Fordjour
dc.contributor.authorOpoku, Maxwell Jnr
dc.contributor.authorApau, Joseph
dc.contributor.authorDadzie, Kodwo Ninsin
dc.contributor.authorVigbedor, Bright Yaw
dc.contributor.authorAwuah-Mensah, Kwaafo Akoto
dc.contributor.authorAppiah, Margaret
dc.contributor.authorBirkett, Michael
dc.contributor.authorHooper, Antony
dc.contributor.orcid0000-0003-2481-1126
dc.date.accessioned2024-12-04T12:58:18Z
dc.date.available2024-12-04T12:58:18Z
dc.date.issued2023-04
dc.descriptionThis article is published by Hindawi 2023 and is also available at https://doi.org/10.1155/2023/3848998
dc.description.abstractAfrican malaria mosquitoes (Anopheles gambiae sensu stricto) transmit a malaria parasite (Plasmodium falciparum) to humans. )ecurrent control strategies for the vector have mainly focussed on synthetic products, which negatively impact the environment and human health. Given the potential use of environmentally friendly plant-derived volatiles as a control, this work aims to examine and compare the repellency potential of essential oils and headspace volatiles from Ocimum gratissimum, Ocimum tenui2orum, and Ocimum basilicum and their chemical compositions. )e repellency potential and chemical composition of the plants were achieved by using the protected arm-in-cage method and gas chromatography-mass spectrometry (GC-MS) analysis. Among the three Ocimum species, both the essential oils and the headspace volatiles from O. tenui2orum achieved the longest repellency time lengths of 90–120 minutes. One hundred and one (101) chemical constituents were identi6ed in the headspace volatiles of the three Ocimum spp. Nonetheless, (−)-camphor, (E)-c-bisabolene, terpinolene, 4-chamigrene, cubedol, (E)-farnesol, germacrene D-4-ol, viridi9orol, c-eudesmol, tetracyclo [6.3.2.0 (2,5).0(1,8)] tridecan-9-ol, 4,4-dimethyl, 5-eudesmol, isolongifolol, and endo-borneol were unique only to O. tenui2orum headspace volatiles. Either essential oils or headspace volatiles from O. tenui2orum could o>er longer protection time length to humans against An. gambiae. )ough 6eld studies are needed to assess the complementarity between the chemical constituents in the headspace volatiles of O. tenui2orum, our observations provide a foundation for developing e>ective repellents against An. gambiae.
dc.description.sponsorshipKNUST
dc.identifier.citationHindawi Journal of Chemistry Volume 2023, Article ID 3848998, 12 pages
dc.identifier.urihttps://doi.org/10.1155/2023/3848998
dc.identifier.urihttps://ir.knust.edu.gh/handle/123456789/16029
dc.language.isoen
dc.publisherHindawi
dc.titleRepellency Potential, Chemical Constituents of Ocimum Plant Essential Oils, and Their Headspace Volatiles against Anopheles gambiae s. s., Malaria Vector
dc.typeArticle
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