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
