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Preparation and characterization of pH-responsive metal-polyphenol structure coated nanoparticles
- Source :
- Food Science and Human Wellness; May 2024, Vol. 13 Issue: 3 p1303-1310, 8p
- Publication Year :
- 2024
-
Abstract
- In this paper, tannic acid (TA) and Fe3+were added to form a layer of metal-polyphenol network structure on the surface of the nanoparticles which were fabricated by zein and carbon quantum dots (CQDs) encapsulating phlorotannins (PTN). pH-responsive nanoparticles were prepared successfully (zein-PTN-CQDs-FeIII). Further, the formation of composite nanoparticles was confirmed by a series of characterization methods. The zeta-potential and Fourier transform infrared spectroscopy data proved that electrostatic interaction and hydrogen bonding are dominant forces to form nanoparticles. The encapsulation efficiency (EE) revealed that metal-polyphenol network structure could improve the EE of PTN. Thermogravimetric analysis and differential scanning calorimetry experiment indicated the thermal stability of zein-PTN-CQDs-FeIIInanoparticles increased because of metal-polyphenol network structure. The pH-responsive nanoparticles greatly increased the release rate of active substances and achieved targeted release.
Details
- Language :
- English
- ISSN :
- 22134530
- Volume :
- 13
- Issue :
- 3
- Database :
- Supplemental Index
- Journal :
- Food Science and Human Wellness
- Publication Type :
- Periodical
- Accession number :
- ejs65450299
- Full Text :
- https://doi.org/10.26599/FSHW.2022.9250109