Table 4.

Phenolics identified by RP-HPLC analysis (at $\lambda$ = 330 nm) of the methanolic extracts of Fagonia indica, Calotropis procera, Zygophyllum hamiense and S.imbricata

Retention time	Identified constituent	Relative area %
		F. indica	C. procera	Z. hamiense	S. imricata a
3.83	Quercetin	0.034	0.08	0.04	0.031
11.78	Rosmarinic acid	2.83	2.68	2.33	2.734
12.06	Hesperidin	1.21	2.22	-	1.854
12.44	Rutin	-	1.72	10.71	2.101
13.267	Quercitrin	5.29	4.16	0.77	12.692
14.576	Naringenin	1.36	1.15	0.94	1.300
14.952	Hesperitin	1.41	-	-	0.730
15.147	Kampferol	1.61	1.5	-	-
16.167	Apigenin	1.00	0.21	-	0.474
Total identified constituents		14.744	13.72	14.79	21.916

^aResults previously reported [39]