I. RESEARCH BACKGROUND
Insect repellents help to prevent and control the outbreaks of insect-borne diseases such as malaria, Lyme disease, dengue fever, and bubonic plaque. Actions to reduce vector- borne diseases can result in major health gains and relieve an important constraint on development in poor regions. Insect repellents are important to the public health tools for the prevention of vector-borne infectious diseases.
Technically, an insect repellent is any chemical or natural, that causes insects or other arthropods to make directed, oriented movements away from the source of repellent. And lemon grass can use as natural insect repellent.
According to an article of new tech bio, lemon grass is a very popular and used for medicinal, food and insect repellent products. The lemon grass oils are used in cosmetics, soaps, perfumes, dyes and odorizes along with thousands of other products. Lemon grass has thin stems, and the flowers are white, cream or green. It grows around 8 feet in height in some cases with the majority of species tapering off at 4 feet. Lemon grass is mainly found in tropical Asia in countries such as India, Ceylon, Brazil, Philippines, Malaysia, Myanmar, Guatemala, Madagascar, Mauritius, New Guinea and countries in Africa and South America. In the Philippines, it has a local named known as “tanglad”.
Many repellent products pertaining chemical compound like DEET (N,N-Diethyl-meta-toluamide) used as active chemical ingredient in insect repellent , are now turn all natural ingredients as more and more negative data is released. Lemon grass is extremely safe and is listed on the EPA’s GRAS list (generally regarded as safe). People all over the world have come to rely on the potent insect repellent properties of lemon grass and utilize it as a personal and area spray.
II. STATEMENT OF THE PROBLEM
This study was conducted to answer the following:
Will extract of lemon grass is a way of natural insect repellent?
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