Sea bass protein-polyphenol complex stabilized high internal phase of algal oil Pickering emulsions to stabilize astaxanthin for 3D food printing. (15th August 2023)

• Record Type: Journal Article
• Authors: Zhang, Lijuan; Zhou, Chengfu; Xing, Shanghua; Chen, Yannan; Su, Wentao; Wang, Haitao; Tan, Mingqian
• Is Part Of: Food chemistry. Volume 417(2023)
• Publication Date: 2023-08-15
• Subjects: Sea bass protein-(-)-epigallocatechin-3-gallate complex -- High internal phase Pickering emulsions -- Astaxanthin -- Algal oil -- Stability -- 3D printing; Food -- Analysis -- Periodicals; Food -- Composition -- Periodicals; 664
• DOI: 10.1016/j.foodchem.2023.135824
• Languages: English
• ISSNs: 0308-8146

Abstract

Graphical abstract: SBP-EGCG complex stabilized high internal phase Pickering emulsions loaded with astaxanthin-and algal oil-loaded were used for 3D food printing. Highlights: Sea bass protein (SBP)-(-)-Epigallocatechin-3-gallate (EGCG) complex was prepared. The SBP-EGCG complex with antioxidant activity could be used to stabilize HIPPEs. The SBP-EGCG complex endowed HIPPEs with and excellent rheological properties. The HIPPEs improved the stability of astaxanthin and algal oil. The HIPPEs could be used as food-grade printing material. Abstract: The protective effect of sea bass protein (SBP)-(−)-epigallocatechin-3-gallate (EGCG) covalent complex-stabilized high internal phase (algal oil) Pickering emulsions (HIPPEs) on astaxanthin and algal oils was demonstrated in this study. The SBP-EGCG complex with better wettability and antioxidant activity was formed by the free radical-induced reaction to stabilize HIPPEs. Our results show that the SBP-EGCG complex formed dense particle shells surrounding the oil droplets, and the shells were crosslinked with the complex in the continuous phase to produce a network structure. The rheological analysis demonstrated that the SBP-EGCG complex endowed HIPPEs with high viscoelasticity, high thixotropic recovery, and good thermal stability, which were beneficial for three-dimensional (3D) printing applications. HIPPEs stabilized by SBP-EGCG complex were applied to improve the stability and bioaccessibility of astaxanthin and to delay algal oil lipid oxidation. The HIPPEs might become a food-grade 3D printing material served as a delivery system for functional foods.