Essential oils of four wild plants inhibit the blood seeking behaviour of female Aedes aegytpi

Iqbal, Sajid; Khan, Fawad; Haris, Abdullah; Mozūratis, Raimondas; Binyameen, Muhammad; Azeem, Muhammad

doi:10.1016/j.exppara.2022.108424

Cited by 4 publications

(3 citation statements)

References 38 publications

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“…According to a study from Pakistan, M. longifolia EO showed repellent effect for 90 min against Ae. aegypti at the concentration of 330 μg/cm 2 while its major identified compound was piperitone oxide [ 47 ]. The study from Saudi Arabia revealed that the M. longifolia EO was active against C. pipiens and showed repellent effect for more than 43 min but at higher concentration of 1000 μg/cm 2 [ 48 ] which was about three times higher than that used in current study.…”

Section: Discussionmentioning

confidence: 99%

Prolonged Repellent Activity of Plant Essential Oils against Dengue Vector, Aedes aegypti

et al. 2023

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Repellents are effective personal protective means against outdoor biting mosquitoes. Repellent formulations composed of EOs are finding increased popularity among consumers. In this study, after an initial screening of 11 essential oils (EOs) at the concentration of 33 μg/cm2, five of the most repellent EOs, Perovskia atriplicifolia, Citrus reticulata (fruit peels), C. reticulata (leaves), Mentha longifolia, and Dysphania ambrosioides were further investigated for repellent activity against Aedes aegypti mosquitoes in time span bioassays. When tested at the concentrations of 33 μg/cm2, 165 μg/cm2 and 330 μg/cm2, the EO of P. atriplicifolia showed the longest repellent effect up to 75, 90 and 135 min, respectively, which was followed by C. reticulata (peels) for 60, 90 and 120 min, M. longifolia for 45, 60 and 90 min, and C. reticulata (leaves) for 30, 45 and 75 min. Notably, the EO of P. atriplicifolia tested at the dose of 330 μg/cm2 showed complete protection for 60 min which was similar to the commercial mosquito repellent DEET. Gas chromatographic-mass spectrometric analyses of the EOs revealed camphor (19.7%), limonene (92.7%), sabinene (24.9%), carvone (82.6%), and trans-ascaridole (38.8%) as the major constituents of P. atriplicifolia, C. reticulata (peels), C. reticulata (leaves), M. longifolia, and D. ambrosioides, respectively. The results of the present study could help develop plant-based commercial repellents to protect humans from dengue mosquitoes.

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Section: Discussionmentioning

confidence: 99%

Prolonged Repellent Activity of Plant Essential Oils against Dengue Vector, Aedes aegypti

et al. 2023

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“…The difference in the bioactivity of the plant species could be explained based on the extraction method, the specific chemistry of the extracts due to the chemical variation within species, and the concentration of the tested products. Many studies have shown that the concentration of a substance plays a significant role in determining its bioactivity [ 24 , 25 , 26 , 27 ].…”

Section: Discussionmentioning

confidence: 99%

Chemical Composition, Repellent, and Oviposition Deterrent Potential of Wild Plant Essential Oils against Three Mosquito Species

Abbas,

Azeem,

Bashir

et al. 2024

Molecules

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In this study, the chemical composition, repellent, and oviposition deterrent effects of five plant essential oils (EOs) extracted from Lantana camara (Verbenaceae), Schinus terebinthifolia (Anacardiaceae), Callistemon viminalis (Myrtaceae), Helichrysum odoratissimum (Asteraceae), and Hyptis suaveolens (Lamiaceae) were evaluated against Aedes aegypti, Anopheles gambiae, and Culex quinquefasciatus. When tested at 33.3 µg/cm2, L. camara, S. terebinthifolia, C. viminalis, and H. odoratissimum were effective repellents against Ae. aegypti (89%, 91%, 90%, and 51% repellency, respectively), but they were less repellent against An. gambiae (66%, 86%, 59%, and 49% repellency, respectively). Interestingly, L. camara, S. terebinthifolia, C. viminalis, and H. odoratissimum exhibited 100% repellency against Cx. quinquefasciatus at 33.3 μg/cm2. In time-span bioassays performed at 333 μg/cm2, the EO of L. camara exhibited 100% repellence against Ae. aegypti and An. gambiae for up to 15 min and against Cx. quinquefasciatus for 75 min. The oviposition bioassays revealed that L. camara exhibited the highest activity, showing 85%, 59%, and 89% oviposition deterrence against Ae. aegypti, An. gambiae, and Cx. quinquefasciatus, respectively. The major compounds of L. camara, S. terebinthifolia, and C. viminalis were trans-β-caryophyllene (16.7%), α-pinene (15.5%), and 1,8-cineole (38.1%), respectively. In conclusion, the L. camara and S. terebinthifolia EOs have the potential to be natural mosquito repellents.

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“…Agrimonia eupatoria L. (also called church steeples, stickwort, common agrimony, and liverwort) is a perennial herb that has been used in folk medicine for its beneficial effects since the time of Ancient Greece [ 12 ]. It has been used for gastrointestinal disorders, diarrhea, cholecystitis, pneumonia, hepatopathy, pyelonephritis, cystitis, bleeding disorders, skin defects, and oral mucosal inflammatory diseases [ 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

In Situ Gel with Silver Nanoparticles Prepared Using Agrimonia eupatoria L. Shows Antibacterial Activity

Balážová

Wolaschka

Rohaľová

et al. 2023

Life

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Silver nanoparticles (Ag NPs) with antibacterial activity can be prepared in different ways. In our case, we used ecological green synthesis with Agrimonia eupatoria L. The plant extract was used with Ag NPs for the first time to prepare termosensitive in situ gels (ISGs). Such gels are used to heal human or animal skin and mucous membranes, as they can change from a liquid to solid state after application. Ag NPs were characterized with various techniques (FTIR, TEM, size distribution, zeta potential) and their antibacterial activity was tested against Staphylococcus aureus and Escherichia coli. In accordance with the TEM data, we prepared monodispersed spherical Ag NPs with an average size of about 20 nm. Organic active compounds from Agrimonia eupatoria L. were found on their surfaces using FTIR spectroscopy. Surprisingly, only the in situ gel with Ag NPs showed antibacterial activity against Escherichia coli, while Ag NPs alone did not. Ag NPs prepared via green synthesis using plants with medicinal properties and incorporated into ISGs have great potential for wound healing due to the antibacterial activity of Ag NPs and the dermatological activity of organic substances from plants.

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Essential oils of four wild plants inhibit the blood seeking behaviour of female Aedes aegytpi

Cited by 4 publications

References 38 publications

Prolonged Repellent Activity of Plant Essential Oils against Dengue Vector, Aedes aegypti

Prolonged Repellent Activity of Plant Essential Oils against Dengue Vector, Aedes aegypti

Chemical Composition, Repellent, and Oviposition Deterrent Potential of Wild Plant Essential Oils against Three Mosquito Species

In Situ Gel with Silver Nanoparticles Prepared Using Agrimonia eupatoria L. Shows Antibacterial Activity

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