Retention time (R_t), wavelengths of maximum absorption (λ_max), mass spectral data, and tentative identification of phenolic compounds detected in W. filifera seeds.

Peak	R t (min)	λ max (nm)	Pseudomolecular ion [m – H]− (m/z)	MS2 (m/z)	Tentative identification
1	12.0	260, 293	331		Galloylglucose
2	16.3	280, 307	451		(epi)Catechin glucoside
3	20.2	279	577	451, 425, 407, 289	B-type procyanidin dimer (B3)
4	20.7	279	577		B-type procyanidin dimer (B1)
5	21.1	278	865	695, 577, 425, 407, 287	B-type procyanidin trimer (C2)
6	22.5		577		B-type procyanidin dimer (B4)
7	22.9		577		B-type procyanidin dimer (B2)
8	23.7		863		A-type procyanidin trimer
9	25.4		1153	849, 577, 407, 287	B-type procyanidin tetramer
10	27.5	278	289	245, 203, 179, 109	Epicatechin
11	28.4		561	435, 407, 289	(epi)Catechin–(epi)afzelechin dimer
12	29.4	283	449	287, 269	Dihydrokaempferol hexoside
13	30.9		863	711, 575, 423	A-type procyanidin trimer
14	32.6		865		B-type procyanidin trimer
15	34.1		865		B-type procyanidin trimer
16	38.3		865		B-type procyanidin trimer
17	39.1		1153		B-type procyanidin tetramer
18	40.5		865		B-type procyanidin trimer
19	41.4		849	697, 577, 407, 287	B-type proanthocyanidin trimer containing one afzelechin unit
20	43.3	254, 353	689	301	Quercetin rutinoside sulfate
21	43.8		1441		B-type procyanidin pentamer
22	45.3	256, 358	703	315	Isorhamnetin rutinoside sulfate
23	45.3		577		B-type procyanidin dimer
24	46.5		849		B-type procyanidin trimer containing one afzelechin unit
26	50.4		557	315	Isorhamnetin glucoside sulfate
28	61.8	255, 353	463	301	Quercetin glucoside
29	65.1		577		B-type procyanidin dimer
30			865		B-type procyanidin trimer