Date of Completion

2024

Document Type

Research Project

Degree Name

Grade 12

Keywords

mentha piperita, aedes aegypti, larvicides, mortality rate, duration of effect

Abstract

Mosquito bites can lead to serious diseases like malaria, dengue, Zika, and West Nile virus, with potentially disabling or deadly consequences. Mosquitoes hatch from eggs to larvae, highlighting the need for effective control measures. This study aimed to evaluate peppermint's larvicidal properties against Aedes aegypti, or in more common terms, the yellow fever mosquito. The study utilized an experimental research design using different peppermint concentrations (100%, 75%, 50%, and 25%). It was monitored over three consecutive interval days; (1) 24 hours; (2) 48 hours; and (3) 72 hours, adding 15 larvae inside each of the three cups per concentration.

Based on the results, the different concentrations of peppermint extract achieved 100% mortality within 24 hours. The peppermint extracts and Temephos showed no significant difference based on their mortality rate and duration of effect. Thus, all the concentrations of the peppermint extract were as efficient as commercially available larvicide. It also recommends investigating further research focusing on the variance in the effectiveness of peppermint larvicide against larvae within a shorter time interval, such as a 24-hour duration.

First Advisor

Pancho E. Ercilla

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