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Table 4 Minimum bactericidal concentrations (MBC) of essential oil of T. minuta flower

From: Chemical constituents, antibacterial and antioxidant properties of the essential oil flower of Tagetes minuta grown in Cala community Eastern Cape, South Africa

Bacteria Concentrations of essential oil (mg/mL) and MBC (mg/mL)
0.5 0.25 0.125 0.06 0.03 MBC (mg/mL)
Gram positive A B A B A B A B A B Oil Ciprofloxacin
S. aureus + + + + + + 0.00 0.06
L. ivanovii + + + + + 0.00 0.00
M. smegatis + + + + + + 0.00 0.06
S. uberis + + + + 0.5 0.00
Gram negative
E. cloacae + 0.06 0.00
E. coli + + + 0.06 0.125
Vibro spp. + + + + + 0.125 0.25
  1. Key: A = oil, B = ciprofloxacin, + = Growth, − = no growth