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has been cited by the following article:

• TITLE: Antioxidant Activity of the Natural Flavonoid 7-Hydroxy-5,6,4’-trimethoxyflavone Isolated from the Leaves of Lippia rugosa A. Chev

  AUTHORS: Jean Momeni, Jean Paul Tsopmejio, Francine T. Nkouam, Martin B. Ngassoum

  KEYWORDS: 7-Hydroxy-5, 6, 4’-trimethoxyflavone, Phenolic Compounds, Antioxidant Activity, DPPH Assay, Lippia rugosa, Organic Extracts

  JOURNAL NAME: Natural Science, Vol.8 No.2, February 22, 2016

  ABSTRACT: Phytochemical studies and antioxidant activities were carried out on n-hexane, ethyl acetate, ethanol and methanol extracts of the leaves of Lippia rugosa A. Chev (Verbenaceae), a medicinal plant used traditionally in the Cameroonian savannah’s region to protect foodstuffs and to cure degenerative diseases. Results indicated that theses extracts contain terpenoids, phenolic and flavonoid compounds. Except the n-hexane extract, all of the obtained extracts exhibit antioxidant activities with the ethanol extract being the most effective with an inhibition percentage of 85.668% ± 1.233% and an inhibition concentration (IC50) of 58 μg/ml (R2 = 0.987, P 50) of 221 μg/ml (R2 = 0.966, P L. rugosa and its antioxidant activity evaluated.