Abstract:
:The antimicrobial activity of the methanolic extract from the stem bark of Irvingia gabonensis (IGM), fractions and compounds isolated from IGM [3-friedelanone (1), betulinic acid (2), oleanolic acid (3), 3,3',4'-tri-O-methylellagic acid (4), 3,4-di-O-methylellagic acid (5) and hardwickiic acid (6)] was evaluated against Gram-positive bacteria (6 species), Gram-negative bacteria (13 species) and three Candida species using dilution methods for the determination of the minimal inhibition concentration (MIC) and the minimal microbicidal concentration (MMC). From the obtained results, IGM prevented the growth of all the species of microorganisms tested at a concentration limit of 312.50 microg/ml. Compounds 4-6 also inhibited the growth of all the tested microbial species while compounds 1-3 showed selective activities. The lowest MIC values (78.12 microg/ml) were obtained with IGM on 13 of the 22 microorganisms tested. The corresponding value of 1.22 microg/ml (4.26 microM) for compounds was recorded with compound 6 on Neisseria gonorrhoeae. The obtained results confirmed the use of Irvingia gabonensis in the treatment of bacterial and fungal infections.
journal_name
J Ethnopharmacoljournal_title
Journal of ethnopharmacologyauthors
Kuete V,Wabo GF,Ngameni B,Mbaveng AT,Metuno R,Etoa FX,Ngadjui BT,Beng VP,Meyer JJ,Lall Ndoi
10.1016/j.jep.2007.07.025subject
Has Abstractpub_date
2007-10-08 00:00:00pages
54-60issue
1eissn
0378-8741issn
1872-7573pii
S0378-8741(07)00359-5journal_volume
114pub_type
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