Title
In vitro evaluation of antimicrobial and antioxidant activities of some Tunisian vegetables In vitro evaluation of antimicrobial and antioxidant activities of some Tunisian vegetables
Author
Faculty/Department
Faculty of Pharmaceutical, Biomedical and Veterinary Sciences . Biomedical Sciences
Publication type
article
Publication
Capetown
Subject
Biology
Pharmacology. Therapy
Source (journal)
South African journal of botany. - Capetown
Volume/pages
78(2012) , p. 252-256
ISSN
0254-6299
ISI
000301016800032
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
The aim of the present study was the investigation of antimicrobial and antioxidant activities of aqueous and methanolic extracts obtained from some Tunisian vegetables. The antimicrobial activity was evaluated by the microdilution method. Total phenolic contents were determined by the FolinCiocalteu colorimetric method. The antioxidant activity was evaluated using the DPPH assay. Among tested extracts, the methanolic extract of Apium graveolens had the best antifungal activity against Candida albicans, Candida kreussei and Candida parapsilosis with MIC values ranging between 0.08 and 0.31 mg/ml. Concerning the antioxidant activity we conclude that aqueous extracts of A. graveolens, Solanum melongena and Anethum graveolens showed the best antioxidant activity with IC50 of 20 μg/ml. These results may suggest that methanolic extracts of Solanum tuberosum and A. graveolens possess good antimicrobial activity, and therefore, they can be used in biotechnological fields as natural preservative ingredients in food and/or pharmaceutical industry.
E-info
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