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

Table 9

The precision and stability of the metabolites.

Analyte	Volume (μL)	Interprecision (RSD (%))	Intraprecision (RSD (%))	Three freeze–thaw cycles	Auto sampler stability 4°C for 24 h	Short-term stability room stability 25°C for 4 h	Long-term stability −20°C for 21 d
M1	15	7.65	11.84	−6.33	8.70	−8.85	6.60
	40	5.75	5.34	4.98	−13.07	−10.72	2.74
	160	7.72	10.31	−5.20	10.95	8.17	−8.03
M2	15	12.46	3.82	−3.49	−5.60	−5.82	−3.63
	40	8.24	6.77	2.06	4.29	3.08	−2.61
	160	5.39	4.30	−3.42	−4.50	5.61	6.95
M3	15	11.75	5.38	1.70	−5.06	8.13	−7.61
	40	5.00	1.30	5.99	4.61	−1.21	1.99
	160	4.05	11.86	−8.23	7.42	8.57	2.20
M4	15	2.99	7.14	−7.87	8.00	−8.87	−5.08
	40	7.18	6.62	7.20	−6.57	4.41	8.74
	160	10.23	3.07	11.16	9.31	−7.50	−8.72
M5	15	3.12	2.64	7.88	−8.88	3.45	−6.52
	40	5.14	6.25	−9.03	−9.90	−5.83	−5.07
	160	2.31	5.74	7.71	5.18	7.60	7.66
M6	15	11.05	10.25	4.98	−7.22	−9.92	3.86
	40	4.34	7.52	−6.57	7.32	−5.31	−9.45
	160	6.74	6.63	−3.84	6.95	6.44	6.88
M7	15	10.06	3.54	2.16	−5.39	4.90	−9.58
	40	7.59	2.50	6.89	4.42	−3.49	−6.53
	160	3.38	9.02	−2.17	6.30	7.56	5.95
M8	15	6.78	6.61	4.74	−3.74	4.39	−4.31
	40	10.56	9.69	5.64	−2.55	−7.54	5.32
	160	2.02	4.53	−10.05	4.43	8.94	−2.85
M9	15	4.23	7.10	−5.97	8.16	7.46	7.87
	40	7.83	3.14	3.81	−3.20	−4.62	−5.92
	160	6.38	5.25	2.09	5.04	−5.60	4.98