Simultaneous Determination of 5 Components in the Leaves of Dimocarpus longan by Quantitative Analysis of Multicomponents by Single Marker (QAMS) Based on UPLC and HPLC

Table 1

Results of linear relationships for the 5 components.

Component	UPLC			HPLC
	Calibration curve	r	Linear range (µg)	Calibration curve	r	Linear range (µg)
C1	Y = 7794.28x − 16.64	0.99988	0.0490∼0.245	Y = 1354.52x + 17.42	0.99985	0.490∼2.450
C2	Y = 9618.87x − 13.22	0.99972	0.0216∼0.108	Y = 1713.83x + 4.38	0.99981	0.216∼1.080
C3	Y = 19503.76x − 50.67	0.99992	0.0832∼0.416	Y = 3574.23x + 80.52	0.99992	0.832∼4.160
C4	Y = 16010.58x − 7.42	0.99983	0.00920∼0.0460	Y = 2903.01x − 3.15	0.99966	0.0920∼0.460
C5	Y = 17806.81x − 15.31	0.99976	0.0144∼0.0722	Y = 3249.11x − 16.06	0.99964	0.144∼0.722