Table 1.

HPLC-PDA/ESI-MS (negative ionization mode) polyphenolic fingerprint of Bff-EAF. Results are expressed as µg/g fraction ± SD (n = 3).

N.	tR (min)	UVmax (nm)	[M-H]−	Fragments	Compound	Bff-EAF (µg/g)	Refs.
1	29.12	314	325	-	Unknown	Nq	-
2	33.03	328	355	193	Feruloyl-glucose	Nq	[21]
3	35.10	328	385	223	Sinapic acid-glucose	Nq	[21]
4	44.24	322	625	301	Quercetin-O-dihexoside	8.77 ± 0.29	[13,21,22]
5	44.84	327	753	341	1,2-Disinapoyl-gentiobiose	Nq	[13,20,23]
6	44.98	332	753	341	1,2-Disinapoyl-gentiobiose isomer	Nq	[13,21,22]
7	46.42	323	723	223, 193	Disinapoyl-feruloyl-triglucoside	Nq	[13,21,22]
8	47.65	321	723	223, 193	Disinapoyl-feruloyl-triglucoside isomer	Nq	[13,21,22]
9	48.02	332	787	301, 353	Quercetin 3-O-sophoroside-7-O-glucoside	28.00 ± 2.44	[13,21,22]
10	49.55	323	693	387	1,2-Diferuloylgentiobiose	Nq	[13,21,22]
11	49.59	329	423	-	Unknown	Nq	-
12	50.64	327	801	443	Unknown	Nq	-
13	51.59	327	609	285	Kaempferol-3-O-diglucoside	12.24 ± 2.02	[13,21,22]
14	53.14	333	963	801	Kaempferol-3-O-hydroxyferuloylsophoroside-7-O-glucoside	22.47 ± 1.21	[13,21,22]
15	54.22	266, 331	771	285	Kaempferol-3-triglucoside	68.95 ± 1.79	[13,21,22]
16	54.76	317	771	285, 353	Kaempferol-3-O-sophoroside-7-O-glucoside	12.76 ± 0.48	[13,21,22]
17	55.25	329	977	815, 353	Kaempferol-3-O-sinapoylsophoroside-7-O-glucoside	18.59 ± 2.06	[13,21,22]
18	55.69	350	463	301	Quercetin 3-O-glucoside	11.77 ± 0.27	[13,21,22]
19	59.10	267, 328	785	285	Kaempferol-feruloyldihexoside	50.52 ± 0.53	[13,21,22]
20	60.69	266, 327	857	-	Unknown	Nq	-
21	61.07	267, 317	755	-	Unknown	Nq	-
22	62.02	345	447	285	Kaempferol-3-O-glucoside	23.06 ± 0.17	[22]
23	63.7	346	477	285	Isorhamnetin-O-glucoside	24.66 ± 1.05	[22]
24	65.31	327	871	-	Unknown	Nq	-
25	74.02	327	959	341	Trisinapoylgentiobiose	Nq	[21]
26	79.39	326	869	527	1,2,2′-Triferuloylgentiobiose	Nq	[24]

Nq: not quantified.