Table 1.

(Epi) catechin glycosides isomer peaks with their related retention time and fragmentation pattern from MS/MS analysis.

Peaks	RT (min)	Tissues, Seeds (se), Skins (sk)	MS/MS Product Ions m/z	Compounds (Corresponding m/z)
1	36.95	se, sk	177; 289; 341	(epi) catechin monoglycoside (451)
2	38.60	sk	177; 341
3	45.72	se, sk	177; 341
4/5	52.33	se, sk	177; 289; 341
6/7	53.77	se, sk	177; 289; 341
8/9/10	55.99	se, sk	177; 341
11/12	23.33	se	577; 289	(epi) catechin diglycoside (613)
13	24.15	se
14	27.74	se
15/16	30.57	se
17/18	32.64	se
19	44.17	se
20/21	18.48	se, sk	177; 287; 289; 451; 577	(epi) catechin dimer monoglycoside (739)
22	19.54	se	177; 287; 289; 451; 577
23/24/25	21.20	se, sk	177; 287; 289; 339; 451; 577
26	22.21	se, sk	177; 287; 289; 339; 451; 577
27/28	23.52	se, sk	177; 287; 289; 339; 451; 577
29/30	26.17	se	177; 287; 289; 339; 451; 577
31/32	28.04	se	177; 289; 451; 577
33	34.13	se, sk	177; 287; 289; 339; 451; 577
34	35.75	se, sk	177; 287; 289; 339; 451; 577
35/36	37.85	se, sk	177; 289; 339; 451; 577
37	48.39	se	287; 289; 339; 451
38	53.73	se	287; 289; 339; 451; 577
39	18.09	se	407	(epi) catechin dimer diglycoside (901)
40	19.25	se
41	21.43	se