Relation between structural and release properties in a polysaccharide gel system

Gennara Cavallaro, San Biagio, Giacomazza, Maria Rosalia Mangione, Martorana, Bulone, Marco Mangione, Vincenza Martorana

Risultato della ricerca: Articlepeer review

10 Citazioni (Scopus)


The potential utility of κ-carrageenan gels for preparing drug release devices is here shown. Structural properties of κ-carrageenan gels prepared with different salt composition and containing Ketoprofen sodium salt, as model drug, have been evaluated with static light scattering and rheological measurements. These properties have been correlated with release profiles in vitro at pH 5.5. Release properties from gelled matrices have been compared with those obtained by two commercial products containing the same drug. Results show that: i) in this system it is possible to easily control the gel texture by using different cationic concentration; ii) the kinetics of drug release by κ-carrageenan gels are dependent on the structural properties of matrices; iii) in the typical interval time used in classical local applications, all gel samples release the loaded drug almost completely, at difference with the commercial products. All these findings can provide useful suggestions for the realization of classical topical release systems.
Lingua originaleEnglish
pagine (da-a)18-22
Numero di pagine5
RivistaBiophysical Chemistry
Stato di pubblicazionePublished - 2007

All Science Journal Classification (ASJC) codes

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  • ???subjectarea.asjc.1300.1303???
  • ???subjectarea.asjc.1600.1605???


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