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Table 2 MIC, MBC, and MFC of Echinacea, Arctium, and Zataria

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

Bacteria

Echinacea purpurea

Arctium lappa

Zataria multiflora

MIC (mg/ml)

MBC/MFC (mg/ml)

MIC (mg/ml)

MBC/MFC

(mg/ml)

MIC (%)

MBC/MFC (%)

C. albicans

375

750

750

 > 750

0.187

0.375

S. mitis

187.5

187.5

187.5

375

0.023

0.046

S. mutans

93.75

187.5

187.5

375

0.011

0.011

S. salivarius

93.75

187.5

187.5

375

0.011

0.022

L.acidophilus

187.5

375

375

750

0.046

0.092

E. coli

375

750

375

750

0.023

0.046

S. aureus

750

 > 750

750

 > 750

0.046

0.092

  1. All samples were tested three times in independent experiments