|本期目录/Table of Contents|

[1]孙 瑜,王 健,肖学凤.鱼腥草挥发油中甲基正壬酮的肠吸收动力学研究[J].天津医科大学学报,2015,21(02):113-116.
 SUN Yu,WANG Jian,XIAO Xue-feng.Intestinal absorption dynamics led by methyl nonyl ketone of the volatile oil in houttuynia cordata[J].Journal of Tianjin Medical University,2015,21(02):113-116.
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《天津医科大学学报》[ISSN:1006-8147/CN:12-1259/R]

卷:
21卷
期数:
2015年02期
页码:
113-116
栏目:
基础医学
出版日期:
2015-03-20

文章信息/Info

Title:

Intestinal absorption dynamics led by methyl nonyl ketone of the volatile oil in houttuynia cordata

文章编号:
1006-8147(2015)02-0113-04
作者:
孙 瑜1王 健2肖学凤1
(1.天津中医药大学附属保康医院药剂科,天津 300193;2.天津市儿童医院药剂科,天津 300074)
Author(s):
SUN Yu1WANG Jian2XIAO Xue-feng1
 (1.Department of Pharmacy,Baokang Affiliated Hospital of Tianjin University of Traditional Chinese Medicion,Tianjin 300193,China; 2. Department of Pharmacy,Tianjin Children’s Hospital,Tianjin 300074,China)
关键词:

鱼腥草挥发油甲基正壬酮外翻肠囊法在体肠循环灌流法肠吸收动力学大鼠

Keywords:
volatile oil from Houttuynia cordataMethyl nonyl ketoneeverted gut sacbody circulatory perfusion techniqueintestinal absorption dynamics rat
分类号:
R96
DOI:
-
文献标志码:
A
摘要:

目的:对鱼腥草挥发油中甲基正壬酮进行肠吸收动力学研究。方法:采用大鼠离体外翻肠囊法和大鼠在体肠循环灌流法研究鱼腥草挥发油中甲基正壬酮的肠吸收动力学,以判断甲基正壬酮的吸收方式和途径。结果:大鼠离体外翻肠囊法实验中,相对于十二指肠和空肠,回肠的吸收率最高,4 h吸收率达87.39%;十二指肠、空肠、回肠内药液浓度的对数logC与取样时间t的线性回归方程的相关系数均大于0.9。大鼠在体肠循环灌流法实验中,吸收半衰期 为7.5 h,最大吸收率为72.35%。结论:小肠中回肠段对甲基正壬酮的吸收半衰期短,吸收率大,是甲基正壬酮的主要吸收部位。鱼腥草挥发油中甲基正壬酮肠吸收属一级动力学过程,吸收方式为被动转运。

Abstract:
Objective: To investigate absorption on Methyl nonyl ketone of the volatile oil in Houttuynia cordata in small intestine of rats. Methods: The absorption pattern and channel on Methyl nonyl ketone of the volatile oil from Houttuynia cordata were determined by using reverted gut sac method and body circulatory perfusion technique. Results: In reverted gut sac test, the absorption rate of Methyl nonyl ketone in ileum was the highest, with 87.39% in 4 h; linear regression coefficient correlations of logC and t exceed 0.9 for duodenum, jejunum and ileum. The result from body circulatory perfusion technique showed the maximum absorptivities of Methyl nonyl ketone in the intestine was respectively 72.35% and the absorption was 7.50 h. Conclusion: In the ileum, the absorption is the shortest and the absorptivity is highest, which is considered to be essential part for small intestine absorption. The aborption process on Methyl nonyl ketone of the volatile oil in Houttuynia cordata conforms to the first-order kinetics and passive transport mechanism.

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备注/Memo

备注/Memo:

作者简介 孙瑜(1979—),女,中药师,博士在读,研究方向:药代动力学、药理学;

通信作者:王健,E-mail: kingdom_80@sina.com。

更新日期/Last Update: 2015-03-24