Development, Characterization and Resveratrol Delivery of Hollow Gliadin Nanoparticles: Advantages over Solid Gliadin Nanoparticles

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Abstract
Hollow nanoparticles have attracted extensive attention due to their advantages such as high loading capacity and superior stability. However, the complexity of the preparation process and harmfulness of the used raw materials have limited their application in the food field. Based on this, hollow gliadin nanoparticles (HGNPs) were developed using a Na2CO3 sacrificial template method. The findings of this study suggested that HGNPs could be regarded as a delivery system for resveratrol (Res) and they exhibited excellent delivery performance. Compared with solid gliadin nanoparticles (SGNPs), the HGNPs displayed smaller particle sizes, better physical stability, higher encapsulation efficiency, stronger resistance to ultraviolet light and a more sustained release of Res in the gastrointestinal tract. This work is of practical significance for the development and utilization of protein-based nanoparticles with hollow structures as a delivery system for sensitive bioactives.
Funding Information
  • Natural Science Foundation of Shandong Province (2022HWYQ-068, tsnq202211070, 2022QNLM030002, ZR2021QC077)
  • Taishan Scholar Foundation of Shandong Province (2022HWYQ-068, tsnq202211070, 2022QNLM030002, ZR2021QC077)
  • Marine S&T Fund of Shandong Province for the Pilot National Laboratory for Marine Science and Technology (Qingdao) (2022HWYQ-068, tsnq202211070, 2022QNLM030002, ZR2021QC077)
  • Natural Science Foundation of Shandong Province (2022HWYQ-068, tsnq202211070, 2022QNLM030002, ZR2021QC077)

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