A herbal oil in water nano-emulsion prepared through an ecofriendly approach affects two tropical disease vectors

Ferreira, Ricardo M. A.; Duarte, Jonatas Lobato; Cruz, Rodrigo Alves Soares; Oliveira, Anna Eliza Maciel de Faria Mota; Araújo, Raquel Silva; Carvalho, José Carlos Tavares; Mourão, Rosa Helena Veras; Souto, Raimundo Nonato Picanço; Fernandes, Caio P.

doi:10.1016/j.bjp.2019.05.003

Cited by 17 publications

(8 citation statements)

References 39 publications

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“…For instance, nanocrystal emulsion of Ficus glomerata with LC 50 value of 17 μg/mL against A. stephensi [ 40 ]. Moreover, LC 50 values of Azadirachta indica and Lippia alba EOs nanoemulsions were reported at 11.75 and 38.22 μg/mL against C. quinquefasciatus [ 41 , 42 ].…”

Section: Discussionmentioning

confidence: 99%

Nanoliposomes containing limonene and limonene-rich essential oils as novel larvicides against malaria and filariasis mosquito vectors

Sanei-Dehkordi

Moemenbellah‐Fard

Saffari

et al. 2022

BMC Complement Med Ther

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Background Mosquito-borne diseases such as malaria and encephalitis are still the cause of several hundred thousand deaths annually. The excessive use of chemical insecticides for transmission control has led to environmental pollution and widespread resistance in mosquitoes. Botanical insecticides' efficacies improvement has thus received considerable attention recently. Methods The larvicidal effects of three essential oils from the Citrus family and limonene (their major ingredient) were first investigated against malaria and filariasis mosquito vectors. An attempt was then made to improve their efficacies by preparing nanoliposomes containing each of them. Results The larvicidal effect of nanoformulated forms was more effective than non-formulated states. Nanoliposomes containing Citrus aurantium essential oil with a particle size of 52 ± 4 nm showed the best larvicidal activity (LC50 and LC90 values) against Anopheles stephensi (6.63 and 12.29 µg/mL) and Culex quinquefasciatus (4.9 and 16.4 µg/mL). Conclusion Due to the green constituents and high efficacy of nanoliposomes containing C. aurantium essential oil, it could be considered for further investigation against other mosquitoes’ populations and field trials.

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Section: Discussionmentioning

confidence: 99%

Nanoliposomes containing limonene and limonene-rich essential oils as novel larvicides against malaria and filariasis mosquito vectors

Sanei-Dehkordi

Moemenbellah‐Fard

Saffari

et al. 2022

BMC Complement Med Ther

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“…), have been reported in the literature. For instance, LC50 of Lippia alba EO nanoemulsion against A. aegypti was 31.02 μg/mL [21]. LC50 value of nanoemulsion of Mentha piperita EO against C. Pipiens was 31.24 μg/mL [22].…”

Section: Discussionmentioning

confidence: 98%

Nanoemulsion and nanogel containing Artemisia dracunculus essential oil; larvicidal effect and antibacterial activity

et al. 2022

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Objective Microbial infections and mosquito-borne diseases such as malaria, with 627 k deaths in 2020, are still major public health challenges. Results This study prepared nanoemulsion and nanogel containing Artemisia dracunculus essential oil. ATR-FTIR analysis (Attenuated Total Reflection-Fourier Transform InfraRed) confirmed the successful loading of the essential oil in nanoemulsion and nanogel. LC50 values (Lethal Concentration 50%) of nanogel and nanoemulsion against Anopheles stephensi larvae were obtained as 6.68 (2–19 µg/mL) and 13.53 (7–25 µg/mL). Besides, the growth of Staphylococcus aureus after treatment with 5000 μg/mL nanogel and nanoemulsion was reduced by ~ 70%. However, about 20% growth of Pseudomonas aeruginosa was reduced at this dose. Considering the proper efficacy of the nanogel as a larvicide and proper antibacterial effect against S. aureus, it could be considered for further investigations against other mosquitoes’ larvae and gram-positive bacteria.

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“…The above mentioned predominance of the compositional ripening in relation to the Ostwald ripening can be controlled by the choice of the oil phase as was demonstrated by Ferreira et al [175]. They prepared nanoemulsions of Lippia alba essential oil stabilized by Tween 80, and found that the specific composition of the essential oil makes it possible to hinder the Ostwald ripening, resulting in the formation of monodisperse nanoemulsions with long-term stability.…”

Section: Nanoemulsions Containing Essential Oils and Their Componentsmentioning

confidence: 90%

“…They prepared nanoemulsions of Lippia alba essential oil stabilized by Tween 80, and found that the specific composition of the essential oil makes it possible to hinder the Ostwald ripening, resulting in the formation of monodisperse nanoemulsions with long-term stability. The nanoemulsions obtained by Ferreira et al [175] evidences a strong larvicidal activity against Culex quinquefasciatus and Aedes aegypti larvae after 48 hours of exposure, with the dose required for obtaining a mortality of the 100% of the larvae being 2-fold lower when the interaction of the nanoemulsiosn with Aedes aegypti larvae was considered.…”

Section: Nanoemulsions Containing Essential Oils and Their Componentsmentioning

confidence: 95%

Emulsions containing essential oils, their components or volatile semiochemicals as promising tools for insect pest and pathogen management

Lucı́a

Guzmán

2021

Advances in Colloid and Interface Science

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A herbal oil in water nano-emulsion prepared through an ecofriendly approach affects two tropical disease vectors

Cited by 17 publications

References 39 publications

Nanoliposomes containing limonene and limonene-rich essential oils as novel larvicides against malaria and filariasis mosquito vectors

Nanoliposomes containing limonene and limonene-rich essential oils as novel larvicides against malaria and filariasis mosquito vectors

Nanoemulsion and nanogel containing Artemisia dracunculus essential oil; larvicidal effect and antibacterial activity

Emulsions containing essential oils, their components or volatile semiochemicals as promising tools for insect pest and pathogen management

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