Antibacterial activity of Thymus vulgaris and Prunus amygdalus extracts against bacterial wound infection

Abstract

Eighty clinical swabs were collected from Patients suffering from wound infection, attending medical city hospital Sixty seven isolates were diagnosed as
causative agents, they were Klebsiella spp. (22.4 %), Escherichia coli (22.4%), Pseudomonas spp. (18%), Staphylolcoccus aureus(15%),Enterobacter spp(10.4%), Proteus spp (7.5%) Streptococcus spp (3%) and Acinetobacter spp.(1.5%); Eleven antibiotics were used for suscpitbility test of drugs. Most of isolates were sensitive to lmipenem in percentage 97% and Amikacin in percentage of 89.5% while most isolate were resistance for many antibiotics like Cefotaxim (89.5%), Tetracyclin (82%), Tobramycin (77.6%), Pipracilin (77.6%) and Gentamycin (77.6%), isolates from gram positive bacteria showed sensitivity (100%) for Vancomycin .
Antimicrobial activity of Thymus vulgaris and prunus amygdalus against higher resistance isolates was estimated, using two folds dilution extracts in agar
diffusion technique at concentrations of 1:2, 1:4 , 1:8, 1:16, 1:32 .Thymus vulgaris has shown anti bacterial activity against Acinetobacter spp., proteus
spp. And Klebsiella spp.in all concentration were used .The lowest effect was on E.coli (12 mm, 8 mm) at concentration 1:2, 1:4. No effect was clear on
Pseudomonas spp., Staphylococus aureus and Streptococcus spp .
Hexane extract of Sweet almond extract showed the best effect on Klebsiella spp.,Enterobacter spp., Proteus spp. at all concentrations used, while E.coli and
pseudomonas spp showed sensitivity concentrations of 1:2, 1:4, 1:8, the activity on Gram positive bacteria :Staphylococus aureus and Straptococus spp. was at
concentrations of 1:2 , 1:4 by measuring inhibition zone which was (8mm,7mm) and (10mm,9mm) respectively.