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Journal of Analytical Methods in Chemistry
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Journal of Analytical Methods in Chemistry
/
2012
/
Article
/
Tab 1
/
Research Article
HPLC Method Determination of Isoliquiritin Apioside and Isoliquiritin in Rat Plasma for Application in Pharmacokinetic Study after an Oral Administration of Zhigancao Extract
Table 1
Intraday and interday precision and accuracy for QC samples.
Analyte
Spiked concentration
Measured concentration
Intraday (
)
Measured concentration
Interday (
)
(
μ
g/mL)
(
μ
g/mL)
RSD (%)
RE (%)
(
μ
g/mL)
RSD (%)
RE (%)
ILA
0.12
0.12 ± 0.01
6.2
−3.6
0.12 ± 0.01
9.0
0.4
0.48
0.46 ± 0.02
5.6
−3.4
0.48 ± 0.03
7.0
−0.8
3.07
3.08 ± 0.16
5.4
0.2
3.02 ± 0.16
4.8
0.7
IL
0.15
0.15 ± 0.01
5.9
1.4
0.15 ± 0.01
9.7
−2.3
0.6
0.62 ± 0.03
6.8
3.1
0.61 ± 0.04
6.8
1.0
3.84
3.78 ± 0.24
5.0
−1.7
3.73 ± 0.18
3.5
−2.7
(Inter-day) RSD
, (Inter-day) RSD
.