Table 3 The inhibitory zone, MIC, and minimum bactericidal concentration (MBC) of the aerial part of the A. fragrantissima extract.

From: Silver nanoparticles synthesized using aerial part of Achillea fragrantissima and evaluation of their bioactivities

Bacterium/Dilution

Positive control

400 µg/mL

200 µg/mL

100 µg/mL

50 µg/mL

MIC (µg/mL)

MBC (µg/mL)

S. aureus (MTCC 29213)

HS

S

MS

MS

LS

25 ± 0.00

50 ± 0.00

S. epidermidis (MTCC 12228)

HS

S

MS

MS

MS

12.5 ± 0.00

25 ± 0.00

E. faecalis (ATCC-29212)

HS

MS

LS

LS

LS

25 ± 0.00

50 ± 0.00

E. coli (ATCC 25922)

HS

S

MS

MS

LS

25 ± 0.00

50 ± 0.00

K. pneumoniae (MTCC 13883)

HS

MS

LS

LS

LS

50 ± 0.00

100 ± 0.00

P. aeruginosa (MTCC 27853)

HS

S

MS

MS

LS

25 ± 0.00

50 ± 0.00

  1. LS = low sensitivity, MS = moderate sensitivity, S = sensitivity, HS = high sensitivity.