The effect of glycyrrhizin on the release rate and skin penetration of diclofenac sodium from topical formulations

  • A. Nokhodchi
  • , H. Nazemiyeh
  • , T. Ghafourian
  • , D. Hassan-Zadeh
  • , H. Valizadeh
  • , L. A.S. Bahary

Research output: Contribution to journalArticlepeer-review

Abstract

The influence of glycyrrhizin extracted from Glycyrrhiza glabra var. glandulifera (licorice roots) on the percutaneous absorption of diclofenac sodium from sodium carboxymethylcellulose (NaCMC) gels or oil-in-water (o/w) emulsion was investigated. Skin permeation experiments were carried out using excised abdominal rat skin. The results showed that the efficiency of glycyrrhizin as an enhancer agent is greater in gel formulations than it is in the emulsions. The enhancer with the concentration of 0.1% w/w in gel increased diclofenac sodium flux value to tenfold compared with the control gel.

Original languageEnglish
Pages (from-to)883-888
Number of pages6
JournalFarmaco
Volume57
Issue number11
DOIs
StatePublished - Nov 2002
Externally publishedYes

ASJC Scopus Subject Areas

  • Pharmaceutical Science
  • Drug Discovery

Keywords

  • Diclofenac sodium
  • Enhancer
  • Glycyrrhizin
  • Release rate
  • Skin penetration

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