• Karthika. A.S
• T.M.Sharmila
• S. Revathi

Citrus oil governs the class essential oil from peels. This essential oil is present in the rind of the walls of a citrus fruit.. In the present investigation, grapefruit (citrus paradisi) peels are used for the extraction of citrus oil. Juices from citrus fruits are the most widely consumed beverage today in the world. Within the increased production of processed fruit, waste generated increased enormously. Peel of citrus fruit has numerous glands that contain oil that is typically recovered as a major byproduct. The essential oil is present in the fruit peel in great quantities. This study focuses mainly on steam distillation, where grapefruit peels dried or preheated before distillation. The citrus essential oil is a mixture of volatile compounds and mainly consists of monoterpene hydrocarbons. The grapefruit essential oil composed of 94% limonene, which is used as food flavoring agents to cosmetics. Twenty-four components were detected with total composition of 99.68% of terpenes and oxygenated terpenes. Composition data for grapefruit oil were characterized by FT-IR spectroscopy. The synthesized oil was tested for antimicrobial potential on Escherichia Coli and Staphylococcus aureus. The essential oil shows the inhibition of growth of those microbes. The waste obtained after study are used for vermicomposting which increase NPK value of the soil. Thus the disposal problem of grapefruit or any other citrus peels after essential oil extraction can be overcome by vermicomposting.

limonene, terpenes, grapefruit peel, Escherichia Coli, Staphylococcus aureus.

"Extraction, physico-chemical analysis and antimicrobial potentials of essential oil from grapefruit peel", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 3, page no.a41-a51, March-2022, Available :http://www.jetir.org/papers/JETIR2203006.pdf

"Extraction, physico-chemical analysis and antimicrobial potentials of essential oil from grapefruit peel", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 3, page no. ppa41-a51, March-2022, Available at : http://www.jetir.org/papers/JETIR2203006.pdf