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Preparation and Characterization of Zein-lecithin-total Flavonoids from Complex Nanoparticles and the Study of Their Antioxidant Activity on HepG2 Cells

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Journal Food Chem X
Date 2023 Feb 27
PMID 36845521
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Abstract

Total flavonoids from (TFSG) exhibit several biological activities; however, their poor stability limits their application. In this work, zein-lecithin-TFSG complex nanoparticles (Z-L-TFSG NPs) were prepared using the anti-solvent coprecipitation technique. The prepared Z-L-TFSG NPs were spherical with an encapsulation efficiency of 98.0%. Differential scanning calorimetry, Fourier transform infrared spectroscopy, and morphology tests revealed that the TFSG were successfully encapsulated by Z-L NPs. Z-L-TFSG NPs showed superior stability and better controlled release characteristics in simulated gastrointestinal digestion. The encapsulation of TFSG by Z-L NPs could improve their antioxidant capacity . Moreover, Z-L-TFSG NPs could enhance the protective effects of TFSG against HO-induced oxidative damage to HepG2 cells. The results indicated that the Z-L self-assembled NPs could serve as a promising drug delivery system through the integrated encapsulation of multiple flavonoids.

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