MIC values of 3–15 lg/
mL confirmed the bacteriostatic activity of all the tested
extracts against the respective bacterial strains used. The
results of the present study are also of interest since they have
been obtained with crude fractions, and it is widely accepted
that plant extracts that are active at 100 mg/mL dilution could
be considered to have a good potency level (Rios et al., 1988).