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Updated: Jun 21, 2026

Preparation of Naringenin Solution for In Vivo Application

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Published on: August 10, 2021

[Evaluation of nasal absorption for geniposide solution].

Na Wan¹, Haiyan Zhang, Runchun Xu

¹Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Nanchang 330004, China.

Zhongguo Zhong Yao Za Zhi = Zhongguo Zhongyao Zazhi = China Journal of Chinese Materia Medica

|July 24, 2009

Summary

Geniposide nasal absorption was studied using a rat model. The study found geniposide absorption follows passive diffusion kinetics, indicating a consistent absorption rate independent of dose.

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Area of Science:

Pharmacokinetics
Drug Delivery
Nasal Absorption Research

Background:

Geniposide, a bioactive compound, has potential therapeutic applications.
Understanding its nasal absorption is crucial for developing effective drug delivery systems.

Purpose of the Study:

To elucidate the regulatory mechanisms governing geniposide's absorption through the nasal mucosa.
To determine the kinetic parameters of geniposide nasal absorption.

Main Methods:

Employed the rat in situ nasal recirculation model for experimental investigation.
Systematically evaluated the impact of perfusion volume, flow rate, and concentration on geniposide absorption.

Main Results:

Geniposide demonstrated stability within the rat nasal lavage solution.
Absorption rate remained constant and dose-independent at a perfusion volume of 5 mL and flow rate of 2.5 mL/min.

Conclusions:

Geniposide nasal absorption mechanism identified as passive diffusion.
Absorption follows first-order kinetics with an absorption rate constant of 4.20 x 10(-3).