Journal of Analytical Methods in Chemistry / 2020 / Article / Tab 1 / Research Article
Quantification Analysis of 13 Organic Components and 8 Inorganic Elements in Angelica Sinensis Radix and Its Different Parts Combined with Chemical Recognition Pattern Table 1 UHPLC-MS/MS parameters for MRM of compounds of sample.
No. Compound Molecular formula t R [M + H]+ (m/z) [M − H]− (m/z) MS/MS fragments ions Cone voltage (V) Collision energy (eV) 1 Chlorogenic acid C16 H18 O9 1.89 — 353 191 31 30 2 Caffeic acid C9 H8 O4 1.91 — 179 135, 134 32 34 3 Vanillin C8 H8 O3 2.56 153 — 105, 93 31 28 4 Ferulic acid C10 H10 O4 2.71 195 — 117, 89 32 26 5 Senkyunolide I C12 H16 O4 4.64 225 — 189, 119 23 22 6 Senkyunolide H C12 H16 O4 4.92 225 — 189, 119 23 21 7 Coniferyl ferulate C20 H20 O6 6.98 — 355 163, 134 23 26 8 Senkyunolide A C12 H16 O2 7.39 193 — 91 21 23 9 Butylphthalide C12 H14 O2 7.41 191 — 145 29 14 10 Z-ligustilide C12 H14 O2 9.68 191 — 115, 91 23 31 11 butylidenephthalide C12 H12 O2 9.70 189 — 89 19 21 12 neocnidilide C12 H18 O2 10.57 195 — 91 27 33 13 Levistilide A C24 H28 O4 11.87 357 — 191 30 23
