Table 1.
Characterization of compounds of ALR by UHPLC-Q-TOF-MS.
| No. | tR (min) | Identification | Formula | MW calculated | Quasi-molecular | Error (ppm) |
|---|---|---|---|---|---|---|
| B1 | 11.325 | 6,7-Dihydroxy-2-(2-phenylethyl)-5,6,7,8-tetrahydrochromoe | C17H18O4 | 286.1205 | 287.1278 (M + H)+ | –3.50 |
| B2 | 15.452 | 5,6,7,8-Tetrahydroxy-2-(3-hydroxy-4-methoxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one | C18H20O8 | 364.1158 | 387.1050 (M + Na)+ | –6.85 |
| B3 | 17.971 | (5S*,6R*,7S*)-5,6,7-Trihydroxy-2-(3-hydroxy-4-methoxyphenethyl)-5,6,7,8-tetrahydro-4H-chromen-4-one | C18H21O7 | 349.1209 | 372.1179 (M + Na)+ | –6.42 |
| C1 | 18.700 | Aquilarinoside A1 | C28H32O15 | 608.1741 | 609.1834 (M + H)+ | –3.95 |
| B4 | 19.031 | 5,6,7,8-Tetrahydro-5β,6β,7α,8β-tetrahydroxy-2-(2-phenylethyl)chromone | C17H19O6 | 319.1103 | 342.1074 (M + Na)+ | –3.92 |
| C2 | 21.932 | 7,4′-Dimethylapigenin-5-O-xylosylglucoside | C28H32O14 | 592.1792 | 593.1865 (M + H)+ | –4.97 |
| C3 | 23.871 | 7,4′-Dimethyl-5-O-glucosideflavonoide | C23H24O10 | 460.1369 | 461.1442 (M + H)+ | –4.37 |
| B5 | 24.500 | 5-Hydroxy-6-methoxy-2-[2-(3-hydroxy-4-methoxyphenyl)ethyl]chromone | C19H18O6 | 342.11.3 | 343.1176 (M + H)+ | –3.95 |
| A1 | 25.395 | cis-1,10-Epoxyguaia-11-en-2-ol | C15H24O2 | 236.1776 | 237.1749 (M + H)+ | –4.42 |
| A2 | 25.895 | Agarofuran-4-hydroxylbaimuxinol | C15H26O3 | 254.1882 | 259.1669 (M + Na)+ [–H2O] | 0.93 |
| B6 | 27.102 | 6,7-Dimethoxy-2-[2-(3-methoxyphenyl)ethyl]chromone; 5,8-Dihydroxy-2-[2-(4-methoxyphenyl)ethyl]-chromone | C18H16O5 | 312.0998 | 313.1071 (M + H)+ | –4.62 |
| D1 | 28.362 | Dodecanoic acid | C12H24O2 | 200.1776 | 223.1669 (M + Na)+ | –2.20 |
| A3 | 28.941 | Epoxybulnesene | C15H24O | 220.1827 | 203.1794 (M + H)+ [–H2O] | –3.96 |
| A4 | 29.273 | Baimuxinic acid | C15H24O3 | 252.1725 | 275.1618 (M + H)+ | –2.28 |
| A5 | 30.751 | Hinesol | C15H26O | 222.1984 | 205.1951 (M + H)+ [H2O] | 0.66 |
| B7 | 31.046 | 7-Hydroxy-2-(2-phenylethyl)chromone; 6-Hydroxy-2-(2-phenylethyl)chromone | C17H15O3 | 267.0943 | 290.0613 (M + Na)+ | 3.21 |
| B8 | 32.256 | 6,7-Dimethoxy-2-[2-(4′-methoxyphenyl)ethyl]chromone | C20H20O5 | 340.1311 | 363.1203 (M + Na)+ | –5.00 |
| A6 | 32.919 | Nootkanone | C15H22O | 218.1671 | 209.1743 (M + H)+ | –1.78 |
| A7 | 34.808 | β-Vatirenene | C15H22 | 202.1722 | 203.1794 (M + H)+ | –2.06 |
| B9 | 34.924 | 2-(2-Phenyleyhyl)chromone | C17H14O2 | 250.1994 | 251.1067 (M + H)+ | –4.54 |
| A8 | 36.382 | (–)-Guaia-1(10),11-dien-15,2-olide | C15H20O2 | 232.1463 | 255.1356 (M + Na)+ | –5.12 |
| A9 | 37.626 | 7b-H-9(10)-ene-11,12-Epoxy-8-oxoeremophilane; 7a-H-9(10)-ene-11,12-epoxy-8-oxoeremophilane | C15H22O2 | 234.1620 | 235.1693 (M + H)+ | –3.36 |
| D2 | 39.150 | n-Hexadecanoic acid | C16H32O2 | 256.2402 | 279.2295 (M + Na)+ | –4.58 |
t R: retention time; A: sesquiterpenes; B: phenylethyl chromone; C: flavonoids; D: fatty acid.