Research Article

Chemical Composition and Antibacterial and Cytotoxic Activities of Allium hirtifolium Boiss

Table 2

In vitro antibacterial activity of hydromethanolic extract of Allium hirtifolium Boiss against particular pathogens.

PathogensDiameter of inhibition zone (mm)
Concentration of extract (mg/mL)Gentamycina
120b60c

Gram-positive bacteria
 MRSA ATCC 700698
 MSSA ATCC 29247
Staphylococcus aureus ATCC 25923
Staphylococcus epidermidis ATCC 12228
Streptococcus pneumonia ATCC 10015
Gram-negative bacteria
Escherichia coli ATCC 25922
Escherichia coli O157:H7 ATCC 35159
Salmonella typhimurium ATCC 13311
Proteus mirabilis ATCC 29906
Klebsiella pneumoniae ATCC 13883

Note: acommercial antibiotic disk (Sigma) at 30  g/diskagainst gram-positive and gram-negative bacteria; bpotential of disk 2.4 mg/mL; cpotential of disk 1.2 mg/mL; ; values are means ± SD of two replicates from three experiments.