Table 5.

Antibacterial activities of alkaloid rich fractions

Solvent/Organism	Root			Stem
	Zone (mm)	MIC µg/ml	MBC µg/ml	Zone (mm)	MIC µg/ml	MBC µg/ml
CH2Cl2
S aureus (MDRS.)	11	1000	1000	11	2000	2000
S. aureus (MRSA)	10	1000	1000	10	2000	2000
B. subtilis (L)	10	1000	1000	10	2000	2000
E. faecalis (Std.)	13	1000	1000	10	2000	2000
S.typhi (L)	-	-	-	-	-	-
CH2Cl2 - MeOH (4:1)
S. aureus (Std.)	13	15.6	250	11	15.6	250
S. aureus (MRSA)	13	31.25	250	11	31.25	250
B. subtilis (L)	14	31.25	31.25	13	31.25	31.25
E. faecalis (Std.)	14	31.25	250	11	31.25	250
S. typhi (L)	-	-	-	-	-	-

Key; L = drug sensitive local strain, MDRS = multiple drug resistant local strain, Std. = standard strain, CH₂Cl₂= dichloromethane and MeOH = methanol