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Bio-Insecticide Impact of Sida Rhombifolia Fabric Treated with Aloe Vera on Wild Anopheles Gambiae

Domaine:

healthcare
Créateur:
ABDSerEfeBet
Éditeur:
Zenodo
Hôte:avatar
Malaria is transmitted to humans through the bite of infected female Anopheles mosquitoes carrying Plasmodium parasites. In Cameroon, mosquito control primarily relies on long-lasting insecticide-treated nets (LLINs), which may cause skin irritation and respiratory discomfort due to synthetic pyrethroids. This study explores a potential natural alternative: weft-knitted Sida rhombifolia fabrics treated with Aloe vera gel. Nine (9) samples were tested, including a positive control (permethrin-treated net), a negative control (untreated net), and seven experimental fabrics: untreated Sida rhombifolia fabric, fabric treated with Aloe vera, the same fabric washed twice, permethrin-treated Sida fabric, and Aloe vera-treated fabrics stored for 1, 2, and 3 months. Two WHO-standard bioassays were conducted: cone tests (3-minute exposure) and cylinder tests (15-minute exposure), using wild Anopheles gambiae populations from Yaoundé. Fabrics treated with Aloe vera showed promising mortality rates, reaching up to 22% in cone tests and 25% in cylinder tests, comparable to those of permethrin. Efficacy declined slightly over time, particularly after 3 months of storage or brief contact exposure. These findings suggest that Aloe vera-treated Sida rhombifolia textiles could serve as natural, biodegradable alternatives to LLINs, subject to further optimisation for long-term stability and field deployment.

Tags

Sida rhombifoliaAloe veranatural insecticidemosquito controlAnopheles gambiaebio-fabric

Licenses

Creative Commons Attribution 4.0 Internationalhttps://creativecommons.org/licenses/by/4.0/legalcode

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