Lemongrass or known as Cymbopogon citratus is a tall
perennial grass. It is a genus of about 55 species of grasses,
native to warm temperature and cultured in almost all
tropical and subtropical countries [8]. It is an herb that
belongs to the genus Cymbopogon of aromatic grasses and
contains essential oil with fine lemon flavour. The biological
active or active agent of lemongrass constituent is citral
which is more than 75% by weight of essential oil [6].
Lemongrass is widely used as essential ingredient in Asia
cuisine due to its sharp lemon flavour. In India, a tea
prepared from lemongrass is used as sedatives for the central
nervous system [1]. The essential oil from lemongrass has
also been used to treat a wide variety of health condition
such as acne, oily skin, scabies, flatulence, excessive
perspiration, antimicrobial and antibacterial [9].