Table 5.

Tentative identification of phytochemical compounds in kiwifruit by using UPLC–MS/MS.

No.	RT (min)	[M–H]−	MS2 Ion Fragments (m/z)	Formula	Identified Compounds	References
1	0.90	175	115, 87	C6H8O6	Ascorbic acid	[47]
2	0.98	115	71	C4H4O4	Fumaric acid	[49,51]
3	1.01	133	115	C4H6O5	Malic acid	[49,51]
4	1.17	129	85	C5H6O4	Itaconic acid	[50]
5	1.3	191	111	C6H8O7	Citric acid	[49]
6	1.38	117	73	C4H6O4	Succinic acid	[49,51]
7	2.61	218	88	C9H17NO5	D-Pantothenic acid	[48]
8	3.17	315	153	C13H16O9	Protocatechuic acid-O-hexoside	[46,55]
9	3.80	353	191, 179, 135	C16H18O9	Neochlorogenic acid	[25,55]
10	4.97	339	177	C15H18O9	Esculin	[58]
11	7.16	289	245, 179, 205	C15H14O6	Catechin	[25,46]
12	7.26	341	179, 135	C15H18O9	Caffeic acid-O-hexoside	[55]
13	7.90	177	133	C9H6O4	Esculetin	[46]
14	8.75	179	135	C9H8O4	Caffeic acid	[25,54]
15	10.07	353	191, 179, 135	C16H18O9	Chlorogenic acid	[25,55]
16	11.07	577	407, 289, 245	C30H26O12	Procyanidin dimer B-type isomer	[46,59]
17	11.65	577	407, 289, 245	C30H26O12	Procyanidin dimer B-type isomer	[46,59]
18	13.69	289	245, 179, 125	C15H14O6	Epicatechin	[25,46,55]
19	26.44	463	301, 151	C21H20O12	Quercetin 3-O-glucoside	[46,55]
20	29.33	447	301, 151	C21H20O11	Quercetin 3-O-rhamnoside	[46,55]