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March 28, 20260 citationsOpen Access

Comparative Study on the Mosquito Repellent Properties of Lemongrass, Basil, and Lemonsito Leaf Extracts

RCRhiane T. Candog LALeann T. Abo-abo CSCharline P. Sabsal

Key Points

The aim is to compare the mosquito repellent properties of lemongrass, basil, and lemonsito leaf extracts.
Conducted an experimental-comparative design under controlled lab conditions.
Used 95% ethyl alcohol for extracting plant leaves through maceration.
Prepared spray solutions at concentrations of 5%, 10%, and 15%, with a control group (0%).
Measured repellent effectiveness by calculating the percentage of mosquito displacement.
All extracts showed mosquito repellent properties, increasing with higher concentrations.
At 15% concentration, lemongrass achieved the highest displacement at 86.67%.
Lemonsito followed with 83.33%, and basil had 76.67%.
Average displacement rankings were lemongrass (74.45%), lemonsito (72.22%), and basil (67.78%).

Abstract

Abstract: This study aimed to produce and compare the mosquito repellent properties of lemongrass (Cymbopogon citratus), basil (Ocimum basilicum), and lemonsito (Citrus macrocarpa) leaf extracts against Culex pipiens mosquitoes. The research utilized an experimental-comparative design conducted under controlled laboratory conditions. The plant leaves were extracted using 95% ethyl alcohol through maceration and prepared into spray solutions at concentrations of 5%, 10%, and 15%, with distilled water (0%) as the control. Repellent effectiveness was measured through the percentage of mosquito displacement. Results showed that all extracts exhibited repellent properties, with increasing effectiveness at higher concentrations. At 15% concentration, lemongrass recorded the highest displacement (86.67%), followed by lemonsito (83.33%) and basil (76.67%). Based on the average displacement, lemongrass ranked first (74.45%), lemonsito second (72.22%), and basil third (67.78%). The findings indicate that lemongrass extract is the most effective natural mosquito repellent among the three. The study concludes that plant-based repellents, particularly lemongrass, can serve as safe, affordable, and eco-friendly alternatives to synthetic chemical repellents. Keywords: Lemongrass extract, basil extract, lemonsito extract, mosquito repellent, Culex pipiens, plant-based repellent, mosquito displacement. Title: COMPARATIVE STUDY ON THE MOSQUITO REPELLENT PROPERTIES OF LEMONGRASS, BASIL, AND LEMONSITO LEAF EXTRACTS Author: Candog, Rhiane T.; Abo-abo, Leann T.; Sabsal, Charline P.; Libardo, Janine E.; Rose, Victor P.; Manliguez, James B. International Journal of Life Sciences Research ISSN 2348-313X (Print), ISSN 2348-3148 (online) Vol. 14, Issue 1, January 2026 - March 2026 Page No: 31-32 Research Publish Journals Website: www.researchpublish.com Published Date: 25-March-2026 DOI: https://doi.org/10.5281/zenodo.19223524 Paper Download Link (Source) https://www.researchpublish.com/papers/comparative-study-on-the-mosquito-repellent-properties-of-lemongrass-basil-and-lemonsito-leaf-extracts

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Candog et al. (Wed,) studied this question.

synapsesocial.com/papers/69c772938bbfbc51511e31b9 https://doi.org/https://doi.org/10.5281/zenodo.19223523

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