A Preferable Approach for the Quality Control of Xiaoer Chiqiao Qingre Granules Based on the Combination of Chromatographic Fingerprints and Chemometrics

Table 1

Calibration curve, precision, stability, repeatability, and recovery values of six markers.

No.	Compound	Calibration curves	R	Linear range (μg·mL^−1)	Precision (RSD (%))	Repeatability (RSD (%))	Stability (RSD (%))	Recovery
								Mean (%)	RSD (%)
1	Geniposide	Y = 12.22X + 19.55	0.9997	2.5–253.0	0.67	2.18	0.74	100.68	2.08
2	Paeoniflorin	Y = 13.52X – 1.84	0.9997	1.4–139.7	2.34	1.84	3.54	98.54	2.99
3	Forsythoside A	Y = 11.84X + 7.51	0.9995	4.5–450.2	0.41	0.91	0.53	97.26	2.54
4	Baicalin	Y = 15.54X + 49.18	0.9998	5.9–593.3	0.30	2.08	0.49	101.34	2.49
5	Forsythin	Y = 19.93X + 12.11	0.9998	1.3–126.9	0.78	1.43	0.79	94.93	2.87
6	Wogonoside	Y = 14.57X + 13.63	0.9998	2.2–220.0	0.67	2.16	0.88	101.41	2.43