Table 6. Minimum inhibitory concentration (MIC) of plant extracts against gastrointestinal complication bacteria isolates (mg/mL).

Test organism	Plant species	Extract concentrations (mg/mL)
		6.25	12.5	25	50	100	200
K. pneumonae	Vernonia species	–	–	–	–	–	–
	M. parviflora	–	–	–	–	+	+
	A. aspera	–	–	–	+	+	+
	S. hastifolium	–	–	–	–	–	–
	F. caria	–	–	–	+	+	+
S. intermedius	Vernonia species	–	–	–	+	+	+
	M. parviflora	–	–	–	+	+	+
	A. aspera	–	–	–	+	+	+
	S. hastifolium	–	–	–	–	–	–
	F. caria	–	–	–	+	+	+
S. hycus	Vernonia species	–	+	+	+	+	+
	M. parviflora	–	–	–	–	–	–
	A. aspera	+	+	+	+	+	+
	S. hastifolium	–	–	–	–	–	–
	F. caria	–	–	–	–	–	–
E. coli	Vernonia species	–	–	–	+	+	+
	M. parviflora	–	–	–	–	+	+
	A. aspera	+	+	+	+	+	+
	S. hastifolium	–	–	–	–	–	–
	F. caria	–	–	–	+	+	+
S. aureus	Vernonia species	–	–	–	+	+	+
	M. parviflora	–	–	–	–	+	+
	A. aspera	+	+	+	+	+	+
	S. hastifolium	–	–	–	–	–	–
	F. caria	–	–	–	+	+	+