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中国临床药理学与治疗学 ›› 2014, Vol. 19 ›› Issue (2): 166-170.

• 定量药理学 • 上一篇    下一篇

新藤黄酸大鼠在体肠吸收动力学研究

陈金佩1, 汪珊珊1, 汪电雷1,2, 杨丽丽1, 汪辰吟1, 陶秀华1,3, 曹银1,4, 王淑君1, 陈亚军1   

  1. 1安徽中医药大学药学院,合肥 230031,安徽;
    2安徽中医药大学药物代谢动力学研究室, 合肥 230031,安徽;
    3 安徽中人科技有限责任公司药理组,合肥 230088,安徽;
    4安徽合肥市精神病医院药剂科, 合肥 230022,安徽
  • 收稿日期:2013-07-22 修回日期:2014-02-17 出版日期:2014-02-26 发布日期:2014-03-31
  • 通讯作者: 汪电雷,男,硕导,副教授,研究方向:药物代谢动力学研究。Tel: 0551-5169230 E-mail: dlwang@ahtcm.edu.cn
  • 作者简介:陈金佩,男,硕士研究生,研究方向:药物代谢动力学研究。Tel: 15256034026 E-mail: chenjinpeiaq@126.com
  • 基金资助:
    国家重大新药创制资助项目(2009ZX09103-399);国家自然科学基金资助项目(81001592);教育部科学技术重点项目 (210101);安徽高校省级自然科学研究重点项目资助(KJ2010A210,KJ2012A186)

Studies on absorption kinetics of gambogenic acid in rat's intestines

CHEN Jin-pei1, WANG Shan-shan1, WANG Dian-lei1,2, YANG Li-li1, WANG Chen-yin1, TAO Xiu-hua1,3, CAO Yin1,4, WANG Shu-jun1, CHEN Ya-jun1   

  1. 1College of Pharmacy, Anhui University of Chinese Medicine, Hefei 230031, Anhui,China;
    2Laboratory of Drug Metabolism and Pharmacokinetics, Anhui University of Chinese Medicine, Hefei 230031, Anhui,China;
    3Pharmacology Dept, Anhui Sino-Implant Co., Ltd, Hefei 230088, Anhui, China;
    4Pharmacy Department, Psychiatric Hospital of Hefei, Hefei 230022,Anhui,China
  • Received:2013-07-22 Revised:2014-02-17 Online:2014-02-26 Published:2014-03-31

摘要: 目的: 探讨新藤黄酸在大鼠各肠段的吸收动力学特征,为设计新藤黄酸新型给药系统提供可靠的生物药剂学依据。方法: 采用大鼠在体肠灌流吸收实验模型,并考察新藤黄酸在浓度为3.0、10、30 μg/mL、以及不同肠段(结肠、回肠、空肠、十二指肠)对新藤黄酸吸收的影响,用HPLC-UV测定新藤黄酸的浓度。结果: 在 3.0~30 μg/mL 范围内新藤黄酸的浓度与吸收速率成线性关系,新藤黄酸在结肠、回肠、空肠、十二指肠的吸收速率常数(Ka)分别为(0.03944±0.00158)、(0.04012±0.00103)、(0.04104±0.00124)、(0.08620±0.00272) h-1结论: 新藤黄酸在大鼠肠道符合一级动力学的吸收过程,在大鼠肠道为被动扩散的吸收机制。新藤黄酸在大鼠的各个肠道都有吸收,因此将新藤黄酸设计为控释制剂是可行的。

关键词: 新藤黄酸, 大鼠, 肠吸收动力学, HPLC

Abstract: AIM: To investigate the absorption kinetic characteristics of Gambogenic acid at different intestine segments in rats and provide reliable biopharmaceutics basis of novel drug delivery systems of Gambogenic acid.METHODS: The rat intestinal absorption model was established to investigate the influence of different concentrations (3.0,10.0,30 μg/mL) and intestine segments on the intestinal absorption of GNA. Gambogenic acid concentration was measured by the RP-HPLC.RESULTS: Within the range from 3.0-30.0 μg/mL, the absorption rate and the quality concentration of Gambogenic acid had a linear relation. The permeability coefficient of Gambogenic acid at colon, ileum, jejunum, duodenum were(0.03944±0.00158), (0.04012±0.00103), (0.04104±0.00124) ,(0.08620±0.00272) h-1,respectively.CONCLUSION: The absorption of Gambogenic acid conforms to passive diffusion mechanism and first-order kinetics. Gambogenic acid could be absorbed in whole intestinal segments, so it is feasible for Gambogenic acid to be designed as a controlled-release formulation.

Key words: Gambogenic acid, rat, intestinal absorption kinetics, HPLC

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