Chemical composition of essential oil from peels of Citrus Aurantifolia L. grown in South-West Nigeria
Department of Chemistry, Faculty of Physical Sciences, University of Ilorin, PMB 1515 Ilorin, Nigeria.
Research Article
Open Access Research Journal of Science and Technology, 2022, 04(02), 105–113.
Article DOI: 10.53022/oarjst.2022.4.2.0039
Publication history:
Received on 13 March 2022; revised on 25 April 2022; accepted on 27 April 2022
Abstract:
The citrus peels commonly treated as agro-industrial waste are the potential source of valuable secondary plant metabolites and essential oil. A pulverized peels C. aurantifolia L. was subjected to hydrodistillation for 3 hours and yielded 0.75% (w/w).
Characterization of the oil by Gas Chromatography-Mass Spectrometry showed that the oil was predominated by oxygenated monoterpenoids (36.3%). Monoterpenoids hydrocarbon constituted (34.4%) of the oil. Percentage composition of hydrocarbon and oxygenated sesquiterpenoids in the oil were in the range of 7.4%-7.0%. The most abundant constituent of the oil was D-limonene (21.3%). Other principal constituents were as follows p-cymene (7.1%), cis-p-mentha-1 (7), 8-dien-2-ol (5.8%), caryophyllene oxide (4.7%), α-terpineol (4.2%), β-pinene (3.7%), β-bisabolene (3.4%), (-)-myrtenol (3.1%), α-bergamotene (2.7%). The predominance of D-limonene in the oil showed that the oil was D-limonene chemotype.
Keywords:
Citrus aurantifolia L; Essential oil; D-limonene; Chemotype; Terpene synthase
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