Simultaneous Determination of Rutin, Luteolin, Quercetin, and Betulinic Acid in the Extract of Disporopsis pernyi (Hua) Diels by UPLC

Table 1

Regression, correlation coefficient (), LOD, and LOQ of the 4 compounds in Disporopsis pernyi (Hua) Diels.

Compound	UV wavelength	Regression slope	Equation intercept	Linear range (g/mL)		LOD (g/mL)	LOQ (g/mL)
Rutin	254 nm	34.63	−23.36	45.10–451.00	0.9992	0.221	0.729
Luteolin	280 nm	45.32	10.61	62.81–439.60	0.9997	0.264	0.879
Quercetin	254 nm	14.47	−24.34	27.58–275.80	0.9993	0.267	0.881
Betulinic acid	210 nm	53.39	8.372	48.34–338.10	0.9992	0.137	0.456