Table 2.

Peak assignment of the metabolites detected in the ethyl acetate fraction of A. maurorum using UPLC-PDA-ESI-MS/MS (negative mode).

Peak #	Rt (Min)	Identified Compound	UV-Vis (λmax)	[M − H]− (m/z)	Fragment Ions (m/z)	Percentage (%)	Occurrence	Reference
1	2.5	Caffeic acid	---	179	135	0.2	A. maurorum	[19]
2	3.5	Sinapic acid hexoside	228	385.0	223, 179	0.65	A. maurorum	[19]
3	3.97	Caffeoyl-hexose-deoxyhexoside	318	487.0	308,179	6.40	-	[20]
4	4.5	Chrysoeriolpentoside (chrysoeriol-7-O-xylosoid)	220, 335	431.1	299	0.21	A. maurorum	[15]
5	7.85	Dihydroxybiflavone derivative	220, 332	521.01	375, 331	0.15	-	[21]
6	17.5	Caffeoyl-hexose-deoxyhexoside	320	487.0	308, 179	0.70	-	[20]
7	20.25	Quercetin hexoside (Quercetin3-O-β-D-glucoside)	221, 330	463	301, 179	1.56	A. maurorum A. maurorum	[22,23,24]
8	21.9	Kampferol hexoside (Kampferol-3-O-β-D-glucoside)	220, 330	447.02	285, 284	2.15	A. maurorum A. sparsifolia	[24,25,26]
9	22.12	Quercetin diglucoside (Quercetin-3-O-di-glucoside)	257, 335	625.3	271, 301,179	1.75	A. maurorum	[27]
10	22.77	Quercetin rhamnoside (quercetin-3-O-β- rhamnoside)	225, 332	447.23	301,179	3.85	A. maurorum A. persarum	[22,23,24]
11	23.7	(Iso)rhamnetin rhamnoside	235, 335	461	315	0.99	-	[28]
12	24.58	Isorhamnetin-3-O-rhamnopyranosyl hexoside (Isorhamnetin-3-O-β-rutinoside)	250, 342	623.12	315, 301, 179, 151	5.35	A. maurorum A. maurorum	[18,24,28]
13	26.5	(Iso)rhamnetin-dirhamnopyranosyl- hexoside Isorhamnetin-3-O-rhamnosyl-rutinoside (Typhaneoside)	230, 330	769.18	454, 315	0.63	A. maurorum	[18,29]
14	29.2	(Iso)rhamnetin 3-O-hexosyl-neo-hesperidoside (Isorhamnetin 3-O-glucosylneo-hesperidoside)	250, 350	803.21	623, 477, 315	0.75	A. maurorum	[15]
15	32.5	Isorhamnetin-3-O-rhamnopyranosyl hexoside (Isorhamnetin-3-O-β-rutinoside)	268, 342	623.21	315, 301, 179, 151	0.88	A. maurorum A. maurorum	[18,24,28]
16	34.47	Apigenin-rhamnosyl-hexoside (Apigenin-8-C-rhamnosyl-6-C-glucoside)	272, 373	577.3	503, 473, 383, 353	2.98	-	[30]
17	35.0	Kaempferol-3-O-rutinoside	262, 362	593.17	285, 284	0.42	A. maurorum	[28,31]
18	35.5	(Iso)rhamnetinhexoside (Isorhamnetin-3- O-β-D-glucopyranoside)	268, 342	477.2	315	0.48	A. saparsifolia	[26]
19	36.12	3′-O-methylorobol	283,357	299.12	284, 271	0.58	A. maurorum	[23,32]
20	36.8	Quercetin	254, 374	301.08	179, 151	0.83	A. maurorum A. saparsifolia	[18,26,28]
21	37.0	Kaempferol	222, 335	285.9	239, 187	0.85	A. maurorum A. saparsifolia	[18,26,33]
22	37.80	Quercetin hexoside (Quercetin-3-O-β-D-glucopyranoside)	221, 330	463	301, 179	2.35	A. maurorum A. maurorum	[22,23,24]
23	38.98	Dihydroxy methoxy diprenyl isoflavone (5,7-dihydroxy-4′-methoxy-6, 8-dipenylisoflavone)	225, 335	419.08	404, 361	4.50	-	[34]
24	39.33	Isorhamnetin	224, 338	315.2	301, 272	2.75	A. maurorum	[18,29]
25	40.5	Tamarixetin	220, 331	315	300, 151	3.12	A. maurorum	[35,36]