Qualitative and Quantitative Analysis for the Chemical Constituents of Tetrastigma hemsleyanum Diels et Gilg Using Ultra-High Performance Liquid Chromatography/Hybrid Quadrupole-Orbitrap Mass Spectrometry and Preliminary Screening for Anti-Influenza Virus Components

Table 3

Linear eq1uation, linear range, correlation coefficient, and detection limit of 10 constituents.

Compound	Regression equation	Linear range (μg/ml)	Correlation coefficient (r^2)	Detection limit (pg)	Quantification limit (pg)
Rutin	y = 0.025x -1.099	7.125-1320	0.9924	0.1113	14.4926
Kaempferol	y = 0.062x + 1.015	1.828-58.50	0.9961	0.9141	0.9290
Astragalin	y = 0.111x – 2.688	6.888-1100	0.9971	0.1074	7.4910
Quercitrin	y = 6.393x – 196.137	8.313-1330	0.9992	2.0781	9.5661
Quercetin	y = 7.378x – 292.807	3.344-1070	0.9992	0.1045	9.2285
Vitexin-rhamnoside	y = 0.000436x + 0.0240	1.735-58	0.9997	1.7344	15.5142
Isorhamnetin	y = 0.00673x + 0.152	1.688-54	0.9954	0.4531	11.6001
Vitexin	y = 3.629x + 0.000187	4.125-132	0.9978	2.0625	3.5940
Emodin-8-O-β-D-glucopyranoside	y = 0.000982x + 0.0139	1.813-116	0.9986	0.4531	2.7285
Isoquercetin	y = 0.00313x + 0.0602	3.625-116	0.9955	0.1133	6.1772