May 2008

Phytochemical and antimicrobial activity of Terminalia avicennioides extracts against some bacteria pathogens associated with patients suffering from complicated respiratory tract diseases

Ethanolic extracts of the stem bark, root bark and leaves of Terminalia avicennioides were assayed against Staphylococcus aureus, Escherichia coliand Pseudomonas aeruginosa obtained from patients suffering from complicated respiratory tract infections for their antimicrobial activity. Analysis of variance showed that the ethanolic extracts of the plant material exhibit a...

Author(s): A. Mann, Y. Yahaya, A. Banso and F. John    

May 2008

Antimicrobial activity of native and naturalized plants of Minnesota and Wisconsin

The antimicrobial activity of aqueous ethanol extracts of stems, leaves, flowers and roots from 336 native and naturalized species (597 extracts) collected in Minnesota and Wisconsin was tested against Staphylococcus aureus,Escherichia coli, Pseudomonas aeruginosa and Candida albicans. Twenty-four percent, or 142 extracts, exhibited antimicrobial activity. Extracts from Betula papyrifera Marshall...

Author(s): Joy R. Borchardt, Donald L. Wyse, Craig C. Sheaffer, Kendra L. Kauppi,R. Gary Fulcher Nancy J. Ehlke, David D. Biesboer and Russell F. Bey    

May 2008

The essentials oils and antimicrobial activity of four Nepeta species from Morocco

The chemical composition of essential oils (EO) isolated from four Nepeta species (Nepeta atlantica Ball, Nepeta tuberosa L. subsp reticulata (Desf.) Maire,Nepeta cataria L., Nepeta granatensis Boiss) were characterized and the antibacterial activity tested. Chemical analyses indicated that the major component of these EO was the sterioisomere 4a-, 7-, 7a--nepetalactonewhich...

Author(s): Laila Zenasni, Houssine Bouidida, Amina Hancali, Amina Boudhane, Hassan Amzal Abdelkader Il Idrissi, Rajae El Aouad, Youssef Bakri and Abdelaziz Benjouad