Quality Evaluation of Saposhnikovia divaricata (Turcz.) Schischk from Different Origins Based on HPLC Fingerprint and Chemometrics

Table 2

Standard curves of four kinds of reference components.

Compounds	Regression equations	R^2	Linear ranges (mg·mL^−1)
Prim-o-glucosylcimifugin	y = 5013.2x-4988.3	0.9983	2∼32
4-O-β-D-glucosyl-5-O-methylvisamminol	y = 7810.9x-5120.6	0.9990	3∼48
Cimifugin	y = 6177.9x-3435.5	0.9972	2.3∼29.9
sec-o-glucosylhamaudol	y = 2867.9x-2658.2	0.9992	0.7∼11.2