Notice of RetractionChemical Composition and Antioxidant Activity of the Extracts of the Chinese Wild Plant Oenanthe javanica DC

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.

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In present work, the chemical composition of the essential oil (EO) and semi-volatile fractions (SVF) of wild Oenanthe javanica DC and their biological activity were investigated. The components of the EO were identified by GC-MS which revealed that the EO contained 4-mefhylene-1-(1-methylethyl)-bicyclo [3.1.0]hexane, β-pinene, 1-methyl-4-(1-methylethyl)-1,4-cyclohexadiene, apiol, 1-methyl-4-(1-methylethylidene)-cyclohexene, α-phellandrene, caryophyllene and carotol. The antioxidant properties of the extracts were evaluated by the 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay, the O₂^-· and OH· test, and compared with those of the L-Ascorbic acid (Vc). The results showed that the antioxidant activity of SVF was higher than that of EO and lower than that of Vc in the DPPH radical scavenging assay and O₂^-·. However, in the OH· test, the antioxidant activity of SVF was approximately equal to Vc at the IC50. There was no a significant difference (p >;0.01). Our data suggested that the Oenanthe javanica DC had pharmaceutical benefits, and are also a potential source of natural antioxidants.