Figure 4From: Antibacterial activity against β- lactamase producing Methicillin and Ampicillin-resistants Staphylococcus aureus: fractional Inhibitory Concentration Index (FICI) determinationMinimum bactericidal Concentration (MBC) of alkaloid compounds from Cienfuegosia digitata Cav. and their combination with Methicillin and with Ampicillin. The results are the means of number of the colonies ± standard deviations.Back to article page