Pharmacokinetic Study of Coadministration with Cefuroxime Sodium for Injection Influencing ReDuNing Injection-Derived Seven Phytochemicals and Nine Metabolites in Rats

Table 3

The regression equations, linear ranges, LLODs, and LLOQs of the seven analytes and cefuroxime.

Analyte	Calibration curves	Correlation coefficient	Range (ng/mL)	LLOD (ng/mL)	LLOQ (ng/mL)
Geniposide	y = 0.0165x−0.0048	0.9996	62–61904	8.5	25.4
Shanzhiside	y = 0.0688x + 0.0031	0.9994	8–7786	0.8	2.3
Genipin-1-β-gentiobioside	y = 0.0163x + 0.0327	0.9995	25–24952	2.1	6.6
Secoxyloganin	y = 0.1029x + 0.0241	0.9993	26–25752	1.6	5.9
Neochlorogenic acid	y = 0.0551x + 0.0518	0.9994	25–25190	4.3	8.2
Chlorogenic acid	y = 0.0883x + 0.0418	0.9993	30–30000	4.6	13.3
Cryptochlorogenic acid	y = 0.1215x + 0.0386	0.9994	22–21752	2.7	7.4
Cefuroxime	y = 0.0504x + 0.0526	0.9990	557–557000	16.4	47.5