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. 2018 Mar 13;23(3):643. doi: 10.3390/molecules23030643

Table 1.

Retention time, and related MS data of the target compounds.

No. Compounds RT (min) Precursor Ion [M − H] (m/z) Product Ion (m/z) Fragmentor (V) CE (eV)
1 Catalpol 0.90 361.2 169.0 −60 −18
2 Aucubin 1.18 345.1 183.0 −50 −22
3 Harpagide 1.26 363.0 201.0 −135 −18
4 Geniposidic acid 1.47 373.1 123.0 −130 −26
5 Neochlorogenic acid 2.24 353.0 191.0 −95 −20
6 Protocatechuic acid 2.37 152.9 109.0 −85 −16
7 * Syringin 2.59 395.2 232.1 136 31
8 Chlorogenic acid 2.71 353.0 191.0 −95 −20
9 Pinoresinol-di-O-β- d-glucopyranoside 2.79 681.2 357.3 −155 −34
10 Geniposide 2.82 387.1 225.0 −180 −12
11 Cryptochlorogenic acid 2.89 353.0 191.0 −95 −20
12 Caffeic acid 3.05 179.0 134.6 −125 −20
13 Rutin 3.15 609.1 300.0 −245 −46
14 Isoquercitrin 3.31 463.0 299.9 −180 −36
15 Genipin 3.33 225.0 101.1 −30 −16
16 Pinoresinol-4’-O-β- d-glucopyranoside 3.36 519.2 357.1 −160 −22
17 Astragalin 3.45 447.1 283.9 −100 −36
18 Isochlorogenic acid A 3.53 515.1 191.0 −145 −38
19 Kaempferol 4.98 285.0 116.9 −180 −48
20 Baicalein 5.15 269.0 139.0 −130 −40
21 Quercetin 10.78 301.1 255.1 −45 −10

* The compound was detected in positive mode as Na-adduct.