1. Introduction
Among the plant families that produce essential oils (EOs),
Poaceae is one of the largest families, comprising approximately
500 genus and 8000 herb species generally known as grasses. Cymbopogon
citratus Stapf originated from India and belongs to the
Poaceae family (Barbosa et al., 2008). This plant is widespread
throughout the world and is easily found in tropical countries such
as Brazil. It is popularly known as citronella grass or lemon grass