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Table 4 The inhibition zone diameters of A. sieversiana extract against tested bacteria (mm)

From: Metabolomic analysis and antibacterial and antioxidant activities of three species of Artemisia plants in Tibet

Bacteria for test

Petroleum ether layer

Chloroform layer

Ethyl acetate layer

N-butyl layer

Water layer

DMSO

Positive controls

Bacilus cereus

21.60 ± 0.85***

16.70 ± 1.18*

17.13 ± 1.23*

12.87 ± 0.45**

9.17 ± 0.21

-

15.72 ± 0.58

Staphylococcus aureus

23.83 ± 1.39**

21.17 ± 2.69*

18.07 ± 0.21***

13.10 ± 1.81

10.07 ± 0.12

-

20.47 ± 1.09

Streptococcus

19.17 ± 0.25***

14.10 ± 0.53*

17.13 ± 0.53***

11.47 ± 0.37

10.93 ± 0.31

-

17.53 ± 0.73

Proteus mirabilis

24.63 ± 1.11**

19.53 ± 0.76***

19.30 ± 0.59***

12.03 ± 0.25**

9.43 ± 0.41

-

18.30 ± 0.89

Salmonella

22.37 ± 0.66***

21.03 ± 1.43**

14.33 ± 0.31***

13.13 ± 0.87*

9.87 ± 0.33

-

22.43 ± 1.53

Escherichia coli

22.10 ± 2.36

15.70 ± 0.91*

20.60 ± 0.88**

18.30 ± 0.71*

9.50 ± 0.24

-

20.40 ± 0.98

Pseudomonas aeruginosa

22.47 ± 0.71***

19.00 ± 0.14*

20.57 ± 0.93**

14.43 ± 0.41

10.67 ± 0.95

-

20.70 ± 0.90

  1. Notes: *p < 0.05, **p < 0.01, ***p < 0.001