Research Article
Simultaneous Determination of Phenolic Acids, Anthraquinones, Flavonoids, and Triterpenes of Cynomorii Herba in Different Harvest Times by LC-MS/MS
Table 2
The effect of the different extract conditions on the target components (ng/mL).
| Extract condition | Gallic acid | Protocatechuic acid | Catechin | Protocatechuic aldehyde | Epicatechin | Ferulic acid | Rutin | Epicatechin gallate | Luteolin-7-glucoside | Luteolin | Emodin | Ursolic acid | Total concentrations |
| 50%–20 min | 1346 | 773 | 490 | 51 | 431 | 18 | 121 | 1052 | 477 | 68 | 5.7 | 27 | 4859.7 | 50%–30 min | 1435 | 852 | 508 | 96 | 446 | 21 | 152 | 906 | 509 | 52 | 1.8 | 26 | 5004.8 | 50%–40 min | 1803 | 949 | 557 | 91 | 487 | 19 | 141 | 1282 | 499 | 50 | 1.0 | 37 | 5916.0 | 70%–20 min | 1899 | 942 | 641 | 98 | 559 | 18 | 170 | 1347 | 538 | 51 | 0.8 | 60 | 6323.8 | 70%–30 min | 1683 | 914 | 591 | 122 | 517 | 18 | 159 | 1086 | 505 | 42 | 0.7 | 56 | 5693.7 | 70%–40 min | 1581 | 938 | 589 | 75 | 515 | 17 | 144 | 1083 | 504 | 46 | 0.5 | 59 | 5551.5 | 90%–20 min | 1224 | 843 | 533 | 118 | 467 | 15 | 106 | 569 | 355 | 35 | 0.5 | 61 | 4326.5 | 90%–30 min | 1381 | 960 | 595 | 113 | 520 | 20 | 144 | 748 | 452 | 42 | 0.5 | 68 | 5043.5 | 90%–40 min | 1541 | 936 | 603 | 124 | 527 | 21 | 126 | 966 | 444 | 44 | 0.4 | 67 | 5399.4 |
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Note. The sample powder (0.100 g) was ultrasonic extracted with 10 mL methanol solution at different concentrations.
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