alexa Essential Oil Chemotypes of Three Ocimum Species Found in Sierra Leone and Nigeria
ISSN: 2167-0412

Medicinal & Aromatic Plants
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Research Article

Essential Oil Chemotypes of Three Ocimum Species Found in Sierra Leone and Nigeria

Olugbade TA*

Department of Pharmaceutical Chemistry, Obafemi Awolowo University, Osun State, Nigeria

*Corresponding Author:
Olugbade TA
Department of Pharmaceutical Chemistry
Faculty of Pharmacy
Obafemi Awolowo University
Ile-Ife, Osun State 220005, Nigeria
Tel: +2347038324641
E-mail: [email protected]

Received Date: February 26, 2017 Accepted Date: February 26, 2017 Published Date: March 04, 2017

Citation: Olugbade TA (2017) Essential Oil Chemotypes of Three Ocimum Species Found in Sierra Leone and Nigeria. Med Aromat Plants 6:284. doi: 10.4172/2167-0412.1000284

Copyright: ©2017 Olugbade TA. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.



Chemical composition of the essential oil of Ocimum basilicum L., O. gratissimum L. and O. americanum L. varieties found in Sierra Leone and Nigeria were determined by GC-FID and GC-MS. The antimicrobial test was evaluated by agar diffusion. The Sierra Leone and Nigeria O. americanum L. varieties were identified as the linalool chemotype and similarly, varieties of O. gratissimum L. from both countries are thymol chemotype. The high thymol content is consistent with the relative high antimicrobial activity of the O. gratissimum L oils. The Sierra Leone O. basilicum L. sample was established as the methyl eugenol chemotype while the Nigerian collection is predominantly methyl chavicol in composition. The high methyl eugenol content of the Sierra Leone collection is consistent with the observation of attraction of fruit flies to the distillate. To the best of our knowledge, there has been no report on essential oils of Ocimum species in Sierra Leone, hitherto.


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