Chemical composition and antioxidant activity of the essential oil of Croton dybowskii Hutch from Congo-Brazzaville
Tsiba Gouollaly, Kevin Bikindou, Edmond Mabiangana, Aubin Nestor Loumouamou, Sarrah Boumba, Marie Claire Makambila, Gilles Figuérédo and Pierre ChalardAdvancement in Medicinal Plant Research
Published: January 22 2019
Volume 7, Issue 1
Pages 1-7
DOI: https://doi.org/10.30918/AMPR.71.18.028
Abstract
The chemical composition of the essential oil of Croton dibowskii Hutch from Congo-Brazzaville was analyzed by GC/FID and GC/SM. The chemical profile remains, for the most part, dominated by the cyperene (15.1%), borneol (12.5%), (6.9)-guaiadiene (8.2%), α-muurolene (7.9%) and 1.8-cineole (6.7%), representing in general 57.4% of sesquiterpene hydrocarbons and 23.8% of oxygenated monoterpne. We note in some respects, with a low content, the presence of monoterpenic hydrocarbons and sesquiterpenic oxygenated compounds of 5.0 and 3.0%, respectively. The antioxidant activity on the DPPH turns out to be very limited, it reaches inhibition percentage of 35% from the concentration of 2000 μg/ml with a CI50 estimated at 3000 μg/ml.
Keywords: Antioxidant activity, chemical composition, Croton dybowskii, essential oil.
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