Modulation of the Antibiotic Activity by Extracts from Amburana cearensis A. C. Smith and Anadenanthera macrocarpa (Benth.) Brenan

Table 7

Minimal inhibitory concentration (MIC) of beta-lactam in the presence and absence of ethanolic extracts of Amburana cearensis and Anadenanthera macrocarpa and a concentration of MIC/8 (128 μg/mL).

	EC 27			SA 358
Antibiotics	MIC	MIC; combined		MIC	MIC; combined
		EEAC	EEAM		EEAC	EEAM
Benzetacil	≥1024	≥1024	≥1024	512	512	512
Cephalothin	16	16	16	≤0.5	≤0.5	≤0.5
Ampicillin	≥1024	≥1024	≥1024	128	512	512
Oxacillin	≥1024	≥1024	≥1024	≤0.5	≤0.5	≤0.5

EEAC: ethanolic extract of Amburana cearensis; EEAM: ethanolic extract of Anadenanthera macrocarpa. EC: Escherichia coli, SA: Staphylococcus aureus.