Antimicrobial activity of plectranthus tenuiflorus extracts

الملخص EN

The antimicrobial activity of different extracts of Plectra thus tenuiflorus, on Gram +ve (Staphylococcus aurous) and Gram -ve (Escherichia coli and Pseudomonas aeruginosa) bacteria, Candida albinos, Aspergillums fumigates, and A.

niger revealed that essential oil extract of the plant (85% thimble ) showed higher antimicrobial activity on all the tested organisms than pure thimble.

Aqueous and organic solvents extracts showed antimicrobial activity on the tested organisms, but not comparable to the high activity obtained by essential oil extract.

Aqueous extracts using cold and boiling water were more efficient in inhibiting the growth of P.

aeruginosa and the two molds, on the other hand, organic solvents, polar and non-polar (ethyl alcohol and diethyl ether), extracts showed stronger antimicrobial activity on.

E.

coli, S.

aurous and albinos than aqueous extracts..C