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Title: In-vitro evaluation of certain Egyptian traditional medicinal plants against Propionibacterium acnes
Authors: Hamdy, A.A 
Kassem, H.A 
Awad, G.E.A 
El-Kady, S.M 
Benito, M.T 
Doyagüez, E.G 
Jimeno, M.L 
Lall, N 
Hussein, A.A 
Keywords: Egyptian traditional medicine;Myrtus communis L;Antibacterial;Propionibacterium acnes;Acne vulgaris
Issue Date: 2017
Publisher: Elsevier
Journal: South African Journal of Botany 
Abstract: Many plant species are reported in Egyptian traditional medicine for the treatment of different types of skin infections. The present study was designed to screen the methanolic extracts of twenty five Egyptian plants used in traditional medicine for the treatment of skin infections for their antibacterial activities against Propionibacterium acnes, and to isolate the bioactive compound(s) from the most active extract. The results showed that Myrtus communis, Curcuma longa and Myristica fragrans exhibited inhibition on P. acnes growth in which M. communis demonstrated the highest antibacterial effect with an MIC of 7.8 μg/ml. A phytochemical analysis of the extract of M. communis leads to the isolation of eight compounds viz., 5-acetoxy-4-hydroxy-4-isobutyl-2,2,6,6-tetramethylcyclohexan-1,3-dione (1), β-sitosterol (2), isomyrtucommulone-B (3), endoperoxide-G-3-hormone (4), gallic acid (5), myricetin-3-O-α-l-rhamnoside (6), myricetin-3-O-β-d-glucoside (7), and myricetin-3-O-β-d-galactoside-6″-O-gallate (8). Compounds 1 and 3 showed strong inhibition against P. acnes with MIC values of 6.3 and 0.8 μg/ml, respectively. This is the first report on the isolation of compound 3 from M. communis and the validation in the use of Egyptian herbal medicines against P. acnes.
Description: Article
ISSN: 0254-6299
DOI: 10.1016/j.sajb.2016.12.026
Appears in Collections:Appsc - Journal Articles (DHET subsidised)

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