Reversed phase High Performance Liquid Chromatography used for the physicochemical and thermodynamic characterization of piceatannol/β-cyclodextrin complex

Hanane Messiad, Habiba Amira-Guebailia, Omar Houache

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Piceatannol is one of resveratrol derivatives having health promoting potential. However, its low water-solubility and bioavailability could limit its use in both food and pharmaceutical fields. The aim of this work is the study of piceatannol complexation by β-cyclodextrin (β-CD) in aqueous media. The complex formed could improve the bioavailability, the solubility and the stability of piceatannol. The method used was based on RP-HPLC in which, β-CD was added to methanol/water mixtures mobile phases. The apparent formation constant of piceatannol/β-cyclodextrin complex was determined. Within the concentration interval studied (0-4mM), whenever the concentration of β-CD increased, retention time of piceatannol decreased; indicating an enhancement of solubility due to the formation of the piceatannol/β-CD complex. The formation constants (KF) of the piceatannol/β-CD complex varied significantly with both the methanol concentration in the water-methanol mixture and the temperature. Moreover, in all the physicochemical conditions tested, the stoichiometry of piceatannol/β-CD complex was 1:1. Finally, the thermodynamic parameters were determined: ΔG°=-13.123kJmol-1, ΔH°=-33. 265kJmol-1 and ΔS°=-67.559Jmol-1K-1.

Original languageEnglish
Pages (from-to)21-27
Number of pages7
JournalJournal of Chromatography B: Analytical Technologies in the Biomedical and Life Sciences
Volume926
DOIs
Publication statusPublished - May 1 2013

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Cyclodextrins
High performance liquid chromatography
Reverse-Phase Chromatography
Thermodynamics
High Pressure Liquid Chromatography
Solubility
Methanol
Biological Availability
Water
3,3',4,5'-tetrahydroxystilbene
Complexation
Stoichiometry
Health
Derivatives
Food
Temperature
Pharmaceutical Preparations

Keywords

  • β-Cyclodextrin
  • Apparent formation constant
  • Mobile phase
  • Piceatannol
  • Solubility
  • Thermodynamic parameters

ASJC Scopus subject areas

  • Biochemistry
  • Analytical Chemistry
  • Cell Biology
  • Clinical Biochemistry

Cite this

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abstract = "Piceatannol is one of resveratrol derivatives having health promoting potential. However, its low water-solubility and bioavailability could limit its use in both food and pharmaceutical fields. The aim of this work is the study of piceatannol complexation by β-cyclodextrin (β-CD) in aqueous media. The complex formed could improve the bioavailability, the solubility and the stability of piceatannol. The method used was based on RP-HPLC in which, β-CD was added to methanol/water mixtures mobile phases. The apparent formation constant of piceatannol/β-cyclodextrin complex was determined. Within the concentration interval studied (0-4mM), whenever the concentration of β-CD increased, retention time of piceatannol decreased; indicating an enhancement of solubility due to the formation of the piceatannol/β-CD complex. The formation constants (KF) of the piceatannol/β-CD complex varied significantly with both the methanol concentration in the water-methanol mixture and the temperature. Moreover, in all the physicochemical conditions tested, the stoichiometry of piceatannol/β-CD complex was 1:1. Finally, the thermodynamic parameters were determined: ΔG°=-13.123kJmol-1, ΔH°=-33. 265kJmol-1 and ΔS°=-67.559Jmol-1K-1.",
keywords = "β-Cyclodextrin, Apparent formation constant, Mobile phase, Piceatannol, Solubility, Thermodynamic parameters",
author = "Hanane Messiad and Habiba Amira-Guebailia and Omar Houache",
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T1 - Reversed phase High Performance Liquid Chromatography used for the physicochemical and thermodynamic characterization of piceatannol/β-cyclodextrin complex

AU - Messiad, Hanane

AU - Amira-Guebailia, Habiba

AU - Houache, Omar

PY - 2013/5/1

Y1 - 2013/5/1

N2 - Piceatannol is one of resveratrol derivatives having health promoting potential. However, its low water-solubility and bioavailability could limit its use in both food and pharmaceutical fields. The aim of this work is the study of piceatannol complexation by β-cyclodextrin (β-CD) in aqueous media. The complex formed could improve the bioavailability, the solubility and the stability of piceatannol. The method used was based on RP-HPLC in which, β-CD was added to methanol/water mixtures mobile phases. The apparent formation constant of piceatannol/β-cyclodextrin complex was determined. Within the concentration interval studied (0-4mM), whenever the concentration of β-CD increased, retention time of piceatannol decreased; indicating an enhancement of solubility due to the formation of the piceatannol/β-CD complex. The formation constants (KF) of the piceatannol/β-CD complex varied significantly with both the methanol concentration in the water-methanol mixture and the temperature. Moreover, in all the physicochemical conditions tested, the stoichiometry of piceatannol/β-CD complex was 1:1. Finally, the thermodynamic parameters were determined: ΔG°=-13.123kJmol-1, ΔH°=-33. 265kJmol-1 and ΔS°=-67.559Jmol-1K-1.

AB - Piceatannol is one of resveratrol derivatives having health promoting potential. However, its low water-solubility and bioavailability could limit its use in both food and pharmaceutical fields. The aim of this work is the study of piceatannol complexation by β-cyclodextrin (β-CD) in aqueous media. The complex formed could improve the bioavailability, the solubility and the stability of piceatannol. The method used was based on RP-HPLC in which, β-CD was added to methanol/water mixtures mobile phases. The apparent formation constant of piceatannol/β-cyclodextrin complex was determined. Within the concentration interval studied (0-4mM), whenever the concentration of β-CD increased, retention time of piceatannol decreased; indicating an enhancement of solubility due to the formation of the piceatannol/β-CD complex. The formation constants (KF) of the piceatannol/β-CD complex varied significantly with both the methanol concentration in the water-methanol mixture and the temperature. Moreover, in all the physicochemical conditions tested, the stoichiometry of piceatannol/β-CD complex was 1:1. Finally, the thermodynamic parameters were determined: ΔG°=-13.123kJmol-1, ΔH°=-33. 265kJmol-1 and ΔS°=-67.559Jmol-1K-1.

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