Simultaneous Determination of Six Chromones in Saposhnikoviae Radix via Quantitative Analysis of Multicomponents by Single Marker

Table 1

Regression equations, correlation coefficients, linearity ranges, limits of detection, and limits of quantification for six indicators.

Indicator	Regression equation^1	R	Linearity range (μg·ml^−1)	LOD (μg·ml^−1)	LOQ (μg·ml^−1)
Prim-O-glucosylcimifugin	y = 1815300x + 8028	0.9999	2.10–209.60	0.29	0.96
Cimifugin	y = 2928940x + 7329	0.9999	1.22–122.00	0.28	0.92
4′-O-β-D-glucosyl-5-O-methylvisammino	y = 1894482x + 14466	0.9999	3.34–334.00	0.28	0.94
5-O-methylvisamminol	y = 3222987x + 4879	0.9999	0.81–80.80	0.18	0.61
Sec-O-glucosylhamaudol	y = 2660022x + 6702	0.9999	1.64–163.60	0.22	0.73
Hamaudol	y = 4418335x + 1757	0.9999	0.37–36.90	0.09	0.31

¹In the regression equation y = ax + b, where y refers to the peak area and x refers to the concentration of the indicator (μg·mL⁻¹).