Pharmacokinetic Comparisons of Eight Active Components from Raw Farfarae Flos and Honey-Processed Farfarae Flos after Oral Administration in Rats by UHPLC-MS/MS Approaches

Table 2

The regression equations, linear range, and LLOQs of the 8 analytes.

Analytes	Range (ng/mL)	Calibration curves	Correlation coefficient (r^2)	LLOQ (ng/mL)
Ferulic acid	2.05–1000.00	y = 0.027x−0.857	0.993	2.05
Caffeic acid	2.78–8840.00	y = 0.035x−14.394	0.999	2.78
Chlorogenic acid	4.35–118500.00	y = 0.002x−1.566	0.999	4.35
Neochlorogenic acid	2.67–39000.00	y = 0.013x−2.914	0.990	2.67
Cryptochlorogenic acid	2.38–168000.00	y = 0.032x−32.266	0.990	2.38
Isochlorogenic acid B	1.30–211000.00	y = 0.031x−2.370	0.991	1.30
Isochlorogenic acid C	4.87–230000.00	y = 0.057x−9.097	0.990	4.87
Rutin	1.45–8150.00	y = 0.020x + 1.045	0.994	1.45