Species Classification and Quality Assessment of Cangzhu (Atractylodis Rhizoma) by High-Performance Liquid Chromatography and Chemometric Methods

Table 3

Calibration parameters of HPLC analysis for the 3 compounds. The structures of marker peaks of 2, 10, and 12 can be seen in Figure 1.

No.	Regression equation	Linear range (μg/mL)	R	LODs (μg/mL)	LOQs (μg/mL)
2	𝑦=114567𝑥−49750	2.5–200.0	0.9996	0.1	0.3
10	𝑦=38856𝑥−16893	2.5–200.0	0.9997	0.1	0.3
12	𝑦=114052𝑥−142322	2.5–200.0	0.9999	0.1	0.3