Table 1.

Acquisition parameters of HPLC-MS/MS (dynamic-MRM mode) used for the analysis of the 29 phenolic compounds.

No.	Analytes	Precursor ion, m/z	Product Ion, m/z	Fragmentor, V	Collision Energy, V	Polarity	Retention Time (Rt, min)
1	Gallic acid	169	125.2 *	97	12	Neg.	6.96
2	Neochlorogenic acid	353	191.2 *, 179	82	12, 12	Neg.	9.52
3	(+)-Catechin	289	245.2 *,109.2	131	8, 20	Neg.	11.44
4	Procyanidin B2	576.99	576.99 *, 321.2	160	0, 32	Neg.	12.41
5	Chlorogenic acid	353	191.2 *, 127.5	82	12, 20	Neg.	12.42
6	p-Hydroxybenzoic acid	137	93.2 *	92	16	Neg.	12.86
7	(−)-Epicatechin	289	245.1 *, 109.1	126	8, 20	Neg.	13.03
8	3-Hydroxybenzoic acid	137	93.2 *	88	8	Neg.	13.59
9	Caffeic acid	179	135.2 *, 134.1	92	12, 24	Neg.	13.65
10	Vanillic acid	167	152.4 *, 108.1	88	12, 20	Neg.	14.32
11	Syringic acid	196.9	182.2 *, 121.2	93	8, 12	Neg.	15.28
12	Procyanidin A2	575	575 *, 285	170	0, 20	Neg.	16.18
13	p-Coumaric acid	163	119.2 *, 93.2	83	12, 36	Neg.	16.70
14	Ferulic acid	193	134.2 *, 131.6	83	12, 8	Neg.	17.10
15	3,5-Dicaffeoylquinic acid	514.9	353.1 *, 191	117	8, 28	Neg.	17.61
16	Rutin	609	300.2 *, 271.2	170	32, 50	Neg.	17.73
17	Hyperoside	465.01	303 *, 61.1	97	8, 50	Pos.	18.33
18	Isoquercitrin	463	271.2 *, 300.2	155	44, 24	Neg.	18.36
19	Phloridzin	435.39	273 *, 167	155	8, 28	Neg.	18.83
20	Quercitrin	446.99	300.2 *, 301.2	160	24, 16	Neg.	19.61
21	Myricetin	316.99	179.1 *, 182	150	16, 24	Neg.	19.61
22	Naringin	578.99	271.3 *, 151.3	170	32, 44	Neg.	19.62
23	Kaempferol-3-glucoside	447	284.2 *, 255.2	170	24, 40	Neg.	19.77
24	Hesperidin	611.01	303 *, 334.8	112	20, 12	Pos.	20.19
25	Ellagic acid	301	301 *, 229	170	0, 24	Neg.	21.41
26	Quercetin	300.99	151.2 *, 179.2	145	16, 12	Neg.	21.87
27	Phloretin	272.99	167 *, 123	116	8, 20	Neg.	22.30
28	Kaempferol	287.01	153 *, 69.1	60	36, 50	Pos.	23.84
29	Isorhamnetin	314.99	300.2 *, 196.1	145	16, 4	Neg.	24.57

* These product ions were utilized for quantitation; neg., negative; pos., positive.