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AMB Express

Table 4 Mean value of zones of inhibition (mm) of A, E, Z, F, and CHX 0.2% in Disc Agar Diffusion test

From: Evaluation of antimicrobial and cytotoxic effects of Echinacea and Arctium extracts and Zataria essential oil

Bacteria

MBC/MFC concentrations

CHX 0.2%

F

Z

E

A

C. albicans

14

13.66

11.66

10

20

S. mutans

20*

19.66*

18

13.33

20.66

S. mitis

16

14.66

16.66

13

21.33

S. salivarius

17.66

16.66

15.33

14

21

L. acidophilus

14.33

11.66

10.66

11.33

21.66

E. coli

16.33

15

14

12

21

S. aureus

15

14.33

11.66

10

20

  1. All samples were tested three times in independent experiments
  2. A: Arctium lappa, E: Echinacea purpurea, Z: Zateria multiflora, F: Formulation, CHX: Chlorhexidine
  3. *shows the insignificant difference (p > 0.05) with Chlorhexidine 0.2%
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