Estimation of antioxidant activities of fixed and volatile oils extracted from Syzygium aromaticum (clove)

The antioxidant activity of fixed and volatile oils were extracted from the dry buds of Syzygium aromaticum (clove) are evaluated by the scavenging activity on 1,1-diphenyl-2-picrylhydrazyl (DPPH) and the reducing power assay, total phenolic and flavonoids are also detected. The result showed that the fixed oil had highest TPC and TFC than the volatile oil in comparison with the standard (pyrogallol, quercetin). Also based on the DPPH radical scavenging activity and reducing power assay the fixed oil is rather strong than the volatile oil, the result compared to standard antioxidant L-ascorbic acid and it is found increase with increase in concentration. Finally, the present study suggests that both fixed and volatile extracted from S.aromaticum have potential activity as source of natural antioxidant

Author(s): Fatma A. Elslimani, Maraia F. Elmhdwi, Fakhri Elabbar and Otman O. Dakhil

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