(Revised) Research Paper

Topics: Insect repellent, Mosquito, Eucalyptus oil Pages: 11 (2964 words) Published: December 9, 2012
Malayan High School of Science

The Effeciency of Eucalyptus Oil and Citronella Oil
as a Mosquito Repellent Against Aedes aegypti
(Submitted in partial fulfilment of the requirements in Research 1)

Submitted by:
Francesca Magno
Fay Fadul
Maxine Mendoza
Ariana Bacquial
Darren Obligar

Table of Contents

II.Statement of the problem2
III.Significance of the Study2
IV.Scope and limitations2
I.Related Literature3
II.Related Studies5


Fay Margarett Olivares Fadul
3-Big Bang
Unit 1613 EGI Taft Tower, 2339 Taft Ave., Manila
Finished Kumon’s Reading Program
Graduated in PWU-Jose Abad Santos Memorial School Manila

Francesca YsabellaMagno
3-Big Bang
2067-B Hawaii St. Lapaz, Makati City
Grade School Silver Medalist
Received a Plaque for Math
Graduated in St. Scholastica’s College, Manila
Consistent Honor Student since 1st Yr.

Ariana Claudine Bacquial
3-Big Bang
Otis 888 Residences, Paz Guazon St., Paco, Manila
Grade School Bronze Medalist
Graduated in St. Scholastica’s College, Manila
Currently with Distinction

Darren Sabijon Obligar
3-Big Bang
2939 A Lorenzo Dela Paz, Pandacan, Manila
6th Honourable Mention in Grade School
Graduated in Beata Elementary School Manila

Maxine Alexandra Mendoza
3-Big Bang
24C Antonia St. Centerville Homes,Brgy. Pasong Tamo, Quezon City Graduated in St. Scholastica’s College, Manila

I. Introduction
Mosquito repellents gained popularity in the Philippines because of the widespread of Dengue. It is believed to help reduce exposure to mosquito bites that may carry viruses causing serious illnesses and even death. Because of this, a lot of natural mosquito repellents have come out in the market such as geranium oil, soybean oil and the two most famous repellents, citronella oil and eucalyptus oil. This research is conducted to determine if citronella oil and eucalyptus oil are effective in reducing exposure to mosquito bites. According to the Department of Parasitology of University of the Philippines Manila, citronella oil and eucalyptus oil are not effective as a mosquito repellent. The citronella oil is a colourless or sometimes light yellow liquid derived from a dried grassy plant called Cymbopagonnardus. It has been used for over 50 years as an insect repellent and an animal repellent. According to an article published by the US Environmental Protection Agency, the citronella oil “works on insects without harming or killing them. It has a distinctive odor which may make it difficult for some pests to locate a host. The length of repellency time varies with the inert ingredients and the amount of citronella oil in the product”. The eucalyptus oil is extracted from the leaves of Eucalyptus citriodora and is largely produced in Brazil and Australia. When oil of eucalyptus was tested against mosquitoes found in the US, it provided protection similar to repellents with low concentrations of DEET (Mountain Rose Herbs; Novak 2011; US Environmental Protection Agency 1999) II. Statement of the problem

Can eucalyptus oil be as effective as citronella oil when tested using clothing? Hypotheses:
Null: There is no significant difference between the effects of citronella oil and the eucalyptus oil as a mosquito repellent. Alternative: There is a significant difference between the effects of citronella oil and the eucalyptus oil as a mosquito repellent. III. Significance of the Study

The significance of this research is to find out a more effective mosquito repellent between eucalyptus oil and citronella oil when applied on clothes and which will provide longer protection from mosquito bites. IV. Scope and limitations

The research will...
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