Evaluation of drug delivery of allicin liposome based on phosphatidylethanolamine and salep-based hydrogel

Document Type : Original Article


1 Department of Chemical Engineering, University of Science and Technology of Mazandaran, Behshahr, Iran

2 Chemistry and Petrochemistry Research Center, Standard Research Institute, Iran

3 Department of Chemical Engineering, Islamic Azad University, Ayatollah Amoli Branch, Amol, Iran


In this study, liposome coatings based on phosphatidylethanolamine (by Bingham method) and hydrogel based on salep were produced and loaded with the aim of allicin shelf life study. The structure and morphology of Liposome and hydrogel were studied by FT-IR and SEM. Considering design variables of phosphatidylethanolamine to cholesterol ratio, organic phase solvent to aqueous solvent ratio and liposome formation time, a model was proposed to predict the allicin encapsulation efficiency in liposomes. The optimum condition was achieved by Response Surface Method and software of Design-Expert v.12 where the amount of phosphatidylethanolamine-to-cholesterol 8:1, organic phase to water phase ratio of 4.8:1 and formation time of 158 minutes lead to a yield of 98.99%. For salep-based hydrogel coatings, the maximum encapsulation value was 74.98% at 140 min formation time, while the amount of acrylic acid was 3 ml and the amount of N, N '- methylenebisacrylamide was 0.01 gr. The release behavior of allicin from the liposome coating and the hydrogel coating showed both of them are suitable for drug delivery in the media with pH of 7.4. Investigation of allicin release kinetics from liposomes and hydrogels based on first-order reaction models, Higuchi model and Hixson-crowell equation and Weibull model indicated that Weibull can better fit the experimental data.


Main Subjects

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