Fifty medicinal plants belongings to 26 families were studied for their ant
imicrobial activity. Among 50 plants tested, 72% showed antimicrobial activ
ity. About 22 plant extracts from 15 families exhibited activity against bo
th Cram-positive and Gram-negative bacteria. Fourteen plants belonging to 1
1 families did not show activity against any of the bacteria tested. Only n
ine plant extracts showed antifungal activity. The bulb extracts of A. cepa
and A. sativum exhibited activity against both filamentous and non-filamen
tous fungus. Eight plant extracts belonging to seven families exhibited bot
h antibacterial and antifungal activity. (C) 2001 Elsevier Science Ireland
Ltd. All rights reserved.