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Table 3 Antibacterial activity of A. lasiantha extracts against pathogenic bacteria

From: Bio-guided profiling and HPLC-DAD finger printing of Atriplex lasiantha Boiss

Extracts Codes Diameter of growth zone inhibition Zone (mm ± SD at 100 μg/disc; MIC: μg/ml)
Gram negative bacteria Gram positive bacteria
K. pneumoniae MIC M. luteus MIC E.coli MIC B. subtilis MIC S.aureus MIC
N 7.9 ± 0.45 > 100*** 7 ± 0.97 > 100*** 8.6 ± 1.20 > 100*** 7.1 ± 0.62 > 100***
C 7.7 ± 0.9 > 100*** 8 ± 0.43 > 100*** 8.3 ± 0.9 > 100*** 7.4 ± 1.04 > 100***
EA 7.2 ± 0.61 > 100*** 9 ± 0.57 > 100*** 7.5 ± 0.78 > 100*** 7 ± 0.36 > 100***
A 7.5 ± 0.54 > 100***
E 7.1 ± 0.54 > 100*** 8 ± 0.68 > 100*** 7.1 ± 0.69 > 100***
M 7.0 ± 0.82 > 100*** 8.5 ± 1.2 > 100***
W  
NEA 8.5 ± 0.29 > 100*** 7 ± 0.43 > 100*** 7.1 ± 0.25 > 100***
EN 7.3 ± 0.84 > 100*** 8 ± 0.53 > 100*** 7.3 ± 0.19 > 100***
MEC 8.1 ± 0.32 > 100*** 7.1 ± 0.23 > 100***
MEEA 9 ± 0.74 100***
MEA 8.3 ± 0.63 >  100***
AW 11 ± 0.65 100***
MD
PC 12 ± 1.12 1.56 23 ± 1.04 0.78 28 ± 1.09 0.39 21 ± 0.9 3.12 14 ± 0.7 6.25
  1. Results were presented as mean ± S.D. (n = 3). ***: P < 0.001. -- = No activity, PC: Positive Control (Cefixime), N: n-hexane, C: Chloroform, EA: Ethyl acetate, A: Acetone, E: Ethanol, M: Methanol, W: Distilled water, NEA: n-hexane-Ethyl acetate, EN: ethanol-n-hexane, MEC: methanol-chloroform MEEA: Methanol-Ethyl acetate, MEA: methanol-acetone, AW: acetone-water, MD: methanol-water