Authors
EP Springfield, G Amabeoku, F Weitz, W Mabusela, Q Johnson
Publication date
2003/1/1
Journal
Phytomedicine
Volume
10
Issue
5
Pages
434-439
Publisher
Urban & Fischer
Description
For centuries, indigenous people in South Africa have used a variety of medicinal herbs to treat chronic infections. This investigation focused on two Carpobrotus species belonging to the family, Aizoaceae, in an attempt to assess their antimicrobial potential. Extracts of varying polarities of the plants were prepared and tested against Staphylococcus aureus, Pseudomonas aeruginosa, Candida albicans and Mycobacterium smegmatis. For the disc diffusion method, Ciprofloxacin (40 μg/disc) served as positive control for S. aureus, P. aeruginosa and M. smegmatis, whereas amphotericin B (25 μg/disc) was the control for C. albicans. A sample concentration of 10 mg/ml was used. Minimum inhibitory concentrations (MIC) were determined by two-fold serial dilution. Phytochemical analysis was completed to test for the presence of flavo-noids, hydrolysable tannins, phytosterols and aromatic acids. The ethyl acetate …
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