Skip to main content
. 2021 May 26;26(11):3186. doi: 10.3390/molecules26113186

Table 2.

UPLC/MS/MS of mandarin peels.

No RT [Min] Metabolite Identification Chemical Formula [M − H]− Ref.
Measured Fragmentation
1 2.03 Trehalose C12H22O11 341.1092 179.0552 [19]
2 2.08 Citric acid C7H11O6 191.0552 173.0445 [19]
3 2.15 Hexose C6H12O6 179.0550 161.0443 [19]
4 2.16 Malic acid C4H6O5 133.0128 115.0022 [20]
6 3.21 Tryptophan C11H12N2O2 203.0818 186.0546, 159.0915, 142.0650, 116.0491 [21]
7 3.39 Vanillic acid hexoside C14H18O9 329.0879 167.0337 [22]
8 3.41 Caffeic acid C9H8O4 179.0551 134.9866 [23]
9 4.25 Feruloyl quinic acid C17H20O9 367.1033 193.0497, 191.0185 [24]
10 4.29 Sinapic acid hexouronide C17H20O11 399.0932 223.0462, 193.0497 [25]
11 4.46 Apigenin-di-C-hexoside (vicenin 2) C27H30O15 593.1360 503.1203, 473.1094, 383.0774, 353.0667 [26]
12 4.48 Sinapic acid hexoside C17H22O10 385.1854 223.1331 [27]
13 4.73 Meranzin hydrate C15H18O5 277.1080 259.0951, 233.1181, 215.1074, 189.9480, 87.0070 [28]
14 4.75 Methoxyluteolin di-C-hexoside C30H38O16 623.1752 533.1318, 503.1197, 413.6878, 383.0773 [26]
15 4.87 Syringic acid C9 H10 O5 197.0446 169.0130, 125.0227 [22]
16 4.89 Orientin C21H20O11 447.0935 357.0616, 327.0511 [19]
17 5.28 Vitexin C21H20O10 431.0985 341.0668, 311.0562 [29]
18 5.47 Naringenin-7-O-rutinoside C27H32O14 579.1774 271.0612 [19]
19 5.48 Feruloyl-O-malic acid ester C14H13O8 309.0616 193.0498, 134.0360, 115.0017 [30]
20 5.55 Hesperidin C28H34O15 609.1814 475.2522, 430.9161, 367.2440, 301.0651 [31]
21 5.52 Isosakuranetin-7-O-neohesperidoside C28H34O14 593.1551 285.0405 [26]
22 5.59 Diosmetin-C-hexoside C22H22O11 461.1085 371.0770, 341.0664, 298.0481 [32]
23 5.68 Naringenin-7-O-Hexoside C21H22O10 433.1142 271.0614 [26]
24 5.79 Rhiofolin C27H29O14 577.0258 269.0456 [33]
25 5.88 Isorhamnetin-3-O-hexoside C22H22O12 477.1044 315.0505, 314.0432, 300.0292 [34]
26 7.41 Diosmetin C16H12O6 299.0550 284.0326 [19]
27 7.51 hesperitin C16H14O6 301.0618 286.0382 [19]
28 8.04 Dihydroxy trimethoxy flavone C18H15O7 343.0823 328.0589, 313.0355, 298.0126, 285.0407 [26]
29 8.10 Dihydroxy dimethoxy flavone C17H13O7 329.0328 314.0423, 300.509, 299.0182 [26]
30 8.23 Dihydroxy tetramethoxy flavone C19H18O8 373.0932 358.0694, 343.0458, 328.0222, 300.0268 [26]
31 8.25 Dihydroxy trimethoxy flavone C18H15O7 343.0819 328.0589, 313.0355, 298.0126, 285.0407 [26]
32 9.12 Hydroxy-hexadecanoic acid C16H31O3 271.1914 253.1805, 209.1901 [26]
33 10.25 Linolenic acid C18H30O2 277.2170 233.1541, 205.1590, 59.0121 [31]