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 conditionGallic acidProtocatechuic acidCatechinProtocatechuic aldehydeEpicatechinFerulic acidRutinEpicatechin gallateLuteolin-7-glucosideLuteolinEmodinUrsolic acidTotal concentrations

50%–20 min134677349051431181211052477685.7274859.7
50%–30 min14358525089644621152906509521.8265004.8
50%–40 min180394955791487191411282499501.0375916.0
70%–20 min189994264198559181701347538510.8606323.8
70%–30 min1683914591122517181591086505420.7565693.7
70%–40 min158193858975515171441083504460.5595551.5
90%–20 min122484353311846715106569355350.5614326.5
90%–30 min138196059511352020144748452420.5685043.5
90%–40 min154193660312452721126966444440.4675399.4

Note. The sample powder (0.100 g) was ultrasonic extracted with 10 mL methanol solution at different concentrations.