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Table 2 Antibacterial and anti-yeast activity of the tested plant extracts determined by agar well diffusion assay

From: Antimicrobial activity of some plant materials used in Armenian traditional medicine

Plant species

Part tested

Extract

Diameter of growth inhibition zone with standard deviation (mm)

SA a

BS

PA

EC

ST

CG

CA

Agrimonia eupatoria

Whole plant

Water

9 ± 0.6

Methanol

10 ± 0.6

11 ± 0.6

11 ± 0.6

11 ± 0.6

11 ± 0.6

Chloroform

9

11 ± 0.6

10 ± 0.6

10 ± 0.6

11 ± 0.6

12 ± 0.6

9 ± 0.6

Acetone

12 ± 0.6

10 ± 0.6

11 ± 0.6

10 ± 0.6

10 ± 0.6

12 ± 1

9 ± 0.6

Hexane

13 ± 0.6

10 ± 0.6

10 ± 0.6

9 ± 0.6

9 ± 0.6

Hypericum alpestre

Aerial part

Water

11 ± 0.6

Methanol

10 ± 0.6

11 ± 0.6

18 ± 0.6

10 ± 0.6

Chloroform

13 ± 0.6

12 ± 0.6

23 ± 1

Acetone

15 ± 0.6

13 ± 0.6

21 ± 0.6

10 ± 0.6

9 ± 0.6

Hexane

17 ± 0.6

16 ± 0.6

21 ± 0.6

Lilium armenum

Stalk with leaf

Water

10 ± 0.6

Methanol

9 ± 0.6

13 ± 0.6

Chloroform

9 ± 0.6

10 ± 0.6

Acetone

10 ± 0.6

9

11 ± 0.6

Hexane

9 ± 0.6

12 ± 0.6

Lilium armenum

Bulb

Water

9 ± 0.6

Methanol

9 ± 0.6

9 ± 0.6

11 ± 0.6

9 ± 0.6

Chloroform

9 ± 0.6

13 ± 0.6

9 ± 0.6

Acetone

10 ± 0.6

9 ± 0.6

11 ± 0.6

9 ± 0.6

9 ± 0.6

Hexane

11 ± 0.6

9 ± 0.6

Rumex obtusifolius

Leaf

Water

Methanol

9 ± 0.6

10 ± 0.6

14 ± 0.6

Chloroform

11 ± 0.6

10 ± 0.6

10 ± 0.6

9 ± 0.6

Acetone

11 ± 0.6

12 ± 0.6

10 ± 0.6

12 ± 0.6

Hexane

9 ± 0.6

11 ± 0.6

9 ± 0.6

Rumex obtusifolius

Root

Water

11 ± 0.6

Methanol

10 ± 0.6

10 ± 0.6

9 ± 0.6

Chloroform

11 ± 0.6

10 ± 0.6

9 ± 0.6

12 ± 0.6

9 ± 0.6

Acetone

10 ± 0.6

9 ± 0.6

12 ± 0.6

13 ± 0.6

9 ± 0.6

Hexane

9 ± 0.6

12 ± 0.6

Rumex obtusifolius

Inflorescence

Water

Methanol

9 ± 0.6

9 ± 0.6

10 ± 0.6

Chloroform

9 ± 0.6

9 ± 0.6

9 ± 0.6

Acetone

11 ± 0.6

11 ± 0.6

9 ± 0.6

10 ± 0.6

9 ± 0.6

9 ± 0.6

Hexane

9 ± 0.6

9 ± 0.6

10 ± 0.6

Rumex obtusifolius

Seed

Water

9 ± 0.6

10 ± 0.6

Methanol

12 ± 0.6

11 ± 0.6

10 ± 0.6

11 ± 0.6

12 ± 0.6

10 ± 0.6

Chloroform

9 ± 0.6

9 ± 0.6

Acetone

12 ± 0.6

12 ± 0.6

10 ± 0.6

10 ± 0.6

12 ± 0.6

10 ± 0.6

Hexane

9 ± 0.6

9 ± 0.6

10 ± 0.6

Sanguisorba obtusifolius

Aerial part

Water

10 ± 0.6

9 ± 0.6

Methanol

12 ± 0.6

11 ± 0.6

10 ± 0.6

10 ± 0.6

12 ± 0.6

9 ± 0.6

10 ± 0.6

Chloroform

10 ± 0.6

9 ± 0.6

10 ± 0.6

12 ± 0.6

11 ± 0.6

Acetone

13 ± 0.6

13 ± 0.6

12 ± 1

12 ± 0.6

11 ± 0.6

10 ± 0.6

10 ± 0.6

Hexane

11 ± 0.6

10 ± 0.6

10 ± 0.6

9 ± 0.6

10 ± 0.6

9 ± 0.6

Sanguisorba officinalis

Root

Water

Methanol

10 ± 0.6

10 ± 0.6

10 ± 0.6

10 ± 0.6

10 ± 0.6

Chloroform

10 ± 0.6

11 ± 0.6

Acetone

10 ± 0.6

10 ± 0.6

10 ± 0.6

10 ± 0.6

10 ± 0.6

10 ± 0.6

Hexane

10 ± 0.6

 

PCb

 

20 ± 0.6

30 ± 1

28 ± 1

19 ± 0.6

23 ± 0.6

24 ± 0.6

23 ± 0.6

  1. aUsed test strains: Escherichia coli WKPM-M17 (EC), Pseudomonas aeruginosa GRP3 (VKPH B-82–5) (PA), Bacillus subtilis WT-A1 (BS), Salmonella typhimurium WDCM 1754 (ST), Staphylococcus aureus WDCM 5233 (SA), Candida albicans 174 (CA), Candida guilliermondii HP-17 (CG)
  2. bPC – positive control (gentamicin (10 μg ml−1) (for bacteria), nystatin 20 μg ml−1 (for yeasts))
  3. All experiments were independently repeated three times. Average means with standard deviations are represented. Standard deviations were calculated with GraphPad Prism 5.03 (GraphPad Software, Inc.; USA) software