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Preparation and Characterization of Nanoliposomes for the Entrapment of Bioactive Hydrophilic Globular Proteins
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An efficient liposome based method for antioxidants encapsulation.

Marco Paini1, Sean Ryan Daly2, Bahar Aliakbarian1

  • 1Department of Civil, Chemical and Environmental Engineering, University of Genoa, Via Opera Pia 15, 16145 Genoa, Italy; Research Center for Biologically Inspired Engineering in Vascular Medicine and Longevity (BELONG), Via Montallegro 1, 16145 Genoa, Italy.

Colloids and Surfaces. B, Biointerfaces
|November 23, 2015
PubMed
Summary
This summary is machine-generated.

This study developed a novel method to encapsulate apigenin (a potent antioxidant) into liposomes, significantly improving its bioavailability and stability for functional foods and nutraceuticals.

Keywords:
AntioxidantApigeninEncapsulation efficiencyFlavoneLiposomesPolyphenolRapeseed lecithinSonication

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Area of Science:

  • Food Science and Technology
  • Biotechnology
  • Nutraceuticals

Background:

  • Apigenin, a natural antioxidant, shows promise for cancer and cardiovascular health but suffers from poor bioavailability and stability.
  • Liposomal encapsulation is a strategy to enhance the delivery and efficacy of bioactive compounds.

Purpose of the Study:

  • To develop a stable and efficient liposomal encapsulation method for apigenin.
  • To optimize liposome characteristics for potential food applications.

Main Methods:

  • Apigenin was encapsulated into liposomes using food-grade rapeseed lecithin in an aqueous medium, avoiding organic solvents.
  • Ultrasonic processing parameters were optimized to control liposome particle size and polydispersity.
  • A unique high-performance liquid chromatography (HPLC) method with an alkaline buffer was developed to accurately measure encapsulation efficiency.

Main Results:

  • Achieved a near 98% apigenin encapsulation efficiency, significantly higher than previously reported values.
  • Produced liposomes with an average particle size of 158.9 ± 6.1 nm, suitable for food product formulation.
  • Demonstrated a solvent-free, efficient method for producing apigenin-loaded liposomes.

Conclusions:

  • The developed liposomal encapsulation technique offers a highly efficient and promising approach for creating functional foods and nutraceuticals enriched with apigenin.
  • The optimized liposomes possess characteristics suitable for incorporation into various food products, enhancing their health benefits.