Study on <italic style="font-style: italic">in vitro</italic> dissolution and <italic style="font-style: italic">in vivo </italic>pharmacokinetics of Luteolin solid dispersion

HUANG Ziting; WANG Mengyan; CHANG Jinhua; LIU Pei; WANG Ruxing; LIU Xigang

doi:10.6039/j.issn.1001-0408.2024.10.11

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Study on in vitro dissolution and in vivo pharmacokinetics of Luteolin solid dispersion

更新时间：2025-09-25

- Study on in vitro dissolution and in vivo pharmacokinetics of Luteolin solid dispersion
- ZHONGGUO YAOFANG Vol. 35, Issue 10, Pages: 1215-1219(2024)
- 作者机构：
  
  承德医学院中药研究所，河北承德　067000
- 作者简介：
- 基金信息：
- DOI：10.6039/j.issn.1001-0408.2024.10.11
  CLC： R944;R969.1
- Received：01 November 2023，
  
  Revised：2024-04-20，
  
  Accepted：23 April 2024，
  
  Published：30 May 2024
- 稿件说明：
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黄子婷,王梦颜,常金花,等.木犀草素固体分散体的体外溶出度和体内药动学研究[J].中国药房,2024,35(10):1215-1219.

HUANG Ziting,WANG Mengyan,CHANG Jinhua,et al.Study on in vitro dissolution and in vivo pharmacokinetics of Luteolin solid dispersion[J].ZHONGGUO YAOFANG,2024,35(10):1215-1219.
黄子婷,王梦颜,常金花,等.木犀草素固体分散体的体外溶出度和体内药动学研究[J].中国药房,2024,35(10):1215-1219. DOI： 10.6039/j.issn.1001-0408.2024.10.11.

HUANG Ziting,WANG Mengyan,CHANG Jinhua,et al.Study on in vitro dissolution and in vivo pharmacokinetics of Luteolin solid dispersion[J].ZHONGGUO YAOFANG,2024,35(10):1215-1219. DOI： 10.6039/j.issn.1001-0408.2024.10.11.

摘要

目的

研究木犀草素固体分散体的体外溶出度和在Beagle犬体内的药动学行为。

方法

按照2020年版《中国药典》（四部）“溶出度测定法”第二法（桨法）测定木犀草素固体分散体的溶出度。采用超高效液相色谱-串联质谱（UPLC-MS/MS）法测定Beagle犬血浆中木犀草素浓度。取Beagle犬12只，随机分为木犀草素原料药组和木犀草素固体分散体组，每组6只，均口服相应药物，给药剂量相当于木犀草素10 mg/kg。分别于给药前（0 h）、给药后5、10、15、30、45 min和1、2、4、6、8、10、12、24、48 h取血，用乙腈沉淀蛋白后，采用UPLC-MS/MS法测定Beagle犬体内木犀草素血药浓度。运用DAS 3.2.8药动学软件，采用非房室模型计算药动学参数。

结果

木犀草素固体分散体在纯水、0.1%十二烷基硫酸钠溶液中的溶出度高于木犀草素原料药，在0.1%十二烷基硫酸钠溶液中120 min的溶出度可达95%。木犀草素固体分散体组Beagle犬体内木犀草素的峰浓度（

max

）是木犀草素原料药组的5.62倍，其相对生物利用度为348%。与木犀草素原料药组比较，木犀草素固体分散体组Beagle体内木犀草素的

max

和药时曲线下面积均显著升高，表观分布容积显著降低（

＜0.05）。

结论

木犀草素固体分散体可提高木犀草素的体外溶出度和在Beagle犬体内的生物利用度。

Abstract

OBJECTIVE

To explore

in vitro

dissolution and

in vivo

pharmacokinetics of Luteolin solid dispersion in Beagle dogs.

METHODS

The dissolution of Luteolin solid dispersion was investigated according to the second method （paddle method） of the “dissolution determination method” in the 2020 edition of

Chinese Pharmacopoeia

（Part Ⅳ）. UPLC-MS/MS method was established to determine the concentration of luteolin in the plasma of Beagle dogs. Twelve Beagle dogs were randomly divided into luteolin group and Luteolin solid dispersion group， with 6 dogs in each group. They were given relevant medicine orally at the dose of 10 mg/kg luteolin. Blood was collected before medication （0 h）， at 5， 10， 15， 30， 45 min and 1， 2， 4， 6， 8， 10， 12， 24， 48 h after administration. After protein precipitation with acetonitrile， the blood concentration of luteolin in Beagle dogs was determined by UPLC-MS/MS and the major pharmacokinetic parameters were calculated with non-compartmental models by using DAS 3.2.8 pharmacokinetic software.

RESULTS

The dissolutions of Luteolin solid dispersion in purified water and 0.1% sodium dodecyl sulfate solution was significantly higher than those of luteolin； the dissolution rate reached 95% in 0.1% sodium dodecyl sulfate solution for 120 minutes. The peak concentration （

max

） of luteolin in the Luteolin solid dispersion group of Beagle dogs was 5.62 times higher than the luteolin group， and the relative bioavailability was 348%. Compared with luteolin group，

max

and the area under the drug time curve of luteolin in the Luteolin solid dispersion group of Beagle dogs were significantly increased， while the apparent distribution volume was significantly reduced （

＜0.05）.

CONCLUSIONS

Luteolin solid dispersion can improve

in vitro

dissolution and bioavailability of luteolin in Beagle dogs.

关键词

Keywords

references

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Study on in vitro dissolution and in vivo pharmacokinetics of Luteolin solid dispersion

DOI：10.6039/j.issn.1001-0408.2024.10.11

摘要

Abstract

关键词

Keywords

references