(a) Compounds identified from the chromatogram of 0.5% w/w Moringa oleifera leaves extracts

Peak	Retention time (RT)	Molecular ion peak (M–H)−	MS2 fragment ions intensity	Tentative compounds identified
1	0.52	117	73 (100), 99, 72	Succinic acid conjugate
2	0.65	164	147 (100), 119, 103, 72	Cinnamic acid conjugate
3	0.92	203	116 (100), 142, 159	Tryptophan
4	1.19	337	191, 163, 119 (100)	4-p-Coumaroylquinic acid
5	1.85	593	383, 353 (100), 325, 297	Apigenin-6,8-di-C-β-D-glucopyranoside
6	2.24	432	284 (100), 283, 312, 269	Apigenin 6 C glucoside (isovitexin)
7	2.36	252	208, 151, 164, 107 (100)	Zeaxanthin derivative
8	2.78	266	222, 178, 170 (100), 151	Unknown
9	3.04	301	257, 108 (100), 109, 65	Quercetin
10	3.73	330	294, 230, 224, 212 (100)	3,30-di-O-Methyl ellagic acid conjugate
11	4.31	309	291, 263, 251, 247, 211, 197 (100), 171	Unknown
12	5.03	481	283, 255 (100), 224, 168, 153	Kaempferol derivative
13	5.42	480	285, 255 (100), 242, 224, 168	Kaempferol derivative
14	8.07	856	596, 575, 431, 297, 279 (100), 241, 153	Inositol derivatives
15	8.72	739	279 (100), 241, 153
16	10.04	858	279 (100), 241, 153
17	10.7	832	277, 255 (100), 241, 153