Abstract
Hyaluronic acid (HA), a polymer mainly found in animal tissues, plays an important role in food research. In this study, it was used for delivery improvement of naringenin (NAR) by loading it into zein nanoparticles using an anti-solvent precipitation method. The optimal Nar/zein-HA nanoparticles were uniformly spherical with particle sizes of 209.2±1.9nm, polydispersity indexes of 0.146±0.032 and zeta-potentials of -19.0±0.7mV. Moreover, the microstructure of Nar/zein-HA nanoparticles was maintained primarily by hydrophobic, electrostatic, and hydrogen-bonding interactions. Furthermore, Nar/zein-HA nanoparticles showed favorable physical stability and enhanced encapsulation efficiency. Additionally, the antioxidant capacity and release in simulated gastrointestinal digestion of Nar were significantly improved. Overall, these findings indicate that the delivery efficiency of Nar was improved by formulation of ternary nanoparticles.
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