Antidiarrheal and Antibacterial Activities of Calpurnia aurea: Benth Seed Different Extracts

Table 6

Antibacterial effects of both aqueous and 80% methanol seed extracts of C. aurea using microdilution techniques.

Minimum inhibitory concentration and minimum bactericidal concentration
Organism	Methanol extract		Aqueous extract
	MIC	MBC	MIC	MBC
E. coli (ATCC25922)	500 mg/ml	1000 mg/ml	—	—
S. aureus (ATCC25923)	500 mg/ml	1000 mg/ml	1000 mg/ml	—
S. typhimurium (ATCC13331)	250 mg/ml	500 mg/ml	500 mg/ml	1000 mg/ml
S. soni (ATCC12022)	1000 mg/ml	—	—	—

MIC—minimum inhibitory concentration, MBC—minimum bactericidal concentration, the values are the average of triplicate tests. ATCC—American type culture collection. — = no activity.