Antibacterial activity of hibiscus sabdariffa, acacia seyal var. Seyal and sphaeranthus suaveolens var. Suaveolens against upper respiratory tract pathogens

الملخص EN

Introduction : Medicinal plants constitute an effective source of both traditional and modern medicines.

The emergence of drug resistant bacteria mandates the need for newer antibiotics.

Objective : To evaluate the antibiotic effect of Hibiscus sabdariffa Methods : Three medicinal plants have been selected for investigation of their antibacterial activities ; Hibiscus sabdariffa.

(Dried calyces), cacia seyal var.

seyal (fresh stem bark) and Sphaeranthus suave lens var suave lens (herbs)The extracts of these plants at concentration of 100mg / ml have been tested against seven strains of bacteria.

; qualitative tests using the Agar Well Diffusion Method have been carried out.

Results : E coli showed higher resistance to the plant extracts whereas Pseudomonas aeruginosa is more sensitive.

Conclusion : Hibiscus sabdariffa extracts showed extensive inhibition zone and were, therefore, effective as antibacterial ingredient.