Table 4.

minimum inhibition concentration of M. Macrantha root against selected bacteria

Microorganism	Solvents	Concentration of M. Macrantha root extracts
		100,000μg/ml	33,000μg/ml	10,890μg/ml	3,580μg/ml	1,190μg/ml	390μg/ml
S. aureus	Methanol	-	-	-	α	+	+
	Ethanol	-	α	+	+	+	+
	Water	-	-	α	+	+	+
	Acetone	-	α	+	+	+	+
E. coli	Methanol	-	+	+	+	+	+
	Ethanol	-	α	+	+	+	+
	Water	-	-	-	α	+	+
	Acetone	-	+	+	+	+	+
S. typhi	Methanol	-	-	-	-	α	+
	Ethanol	-	-	-	-	α	+
	Water	-	-	-	-	α	+
	Acetone	-	α	+	+	+	+

-: no bacterial growth; +: bacterial growth; α: minimum inhibition concentration (MIC) value