Mi-mi LU, Lu PANG, Pei CHENG, et al. Investigation of Integrated Pharmacokinetics of Active Components in Moutan Cortex and Its Correlation with Pharmacodynamics[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(15): 148-154.
DOI:
Mi-mi LU, Lu PANG, Pei CHENG, et al. Investigation of Integrated Pharmacokinetics of Active Components in Moutan Cortex and Its Correlation with Pharmacodynamics[J]. Chinese journal of experimental traditional medical formulae, 2019, 25(15): 148-154. DOI: 10.13422/j.cnki.syfjx.20190646.
Investigation of Integrated Pharmacokinetics of Active Components in Moutan Cortex and Its Correlation with Pharmacodynamics
To study on the correlation between integrated pharmacokinetics and pharmacodynamic effects of five active components(oxidized paeoniflorin
paeoniflorin
quercetin
gallic acid
paeonol) in Moutan Cortex.
Method:
2
Rats were divided into blank group
model group(syndrome of blood-heat and blood stasis) and drug-administered group.The concentration of five active components in serum were detected with UPLC-MS at different time points after being administrated ethanol extract of Moutan Cortex.The integrated concentrations were calculated according to area under the curve(AUC) self-defined weighting coefficiency.At the same time
the enzyme-linked immunosorbent assay(ELISA) was used to determine the contents of thromboxane B
2
(TXB
2
) and 6-keto-prostaglandin F
1
α
(6-keto-PGF
1
α
) in serum at different time points
and then correlation between pharmacodynamics and integrated pharmacokinetics of these five active ingredients was analyzed.
Result:
2
At different time points(0.083
0.25
0.5
0.75
1
2
3
4
6
8
10
12 h)
the integrated plasma concentrations of these five active ingredients in Moutan Cortex(158.65
174.60
220.13
227.23
244.31
251.51
404.28
654.39
472.62
355.04
231.56
199.40 mg·L
-1
) had a good correlation with concentration of TXB
2
(264.44
261.03
284.93
273.30
264.04
278.90
274.83
303.58
260.03
264.78
264.40
256.62 μg·L
-1
) and value of TXB
2
/6-keto-PGF
l
α
(4.50
4.47
3.66
3.37
3.29
3.66
3.71
4.30
3.63
3.65
3.75
3.66).
Conclusion:
2
There is a good correlation between the dynamic changes
in vivo
of active components from Moutan Cortex and pharmacodynamic effects of activating blood circulation of this herb.
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