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- W4313489747 startingPage "114366" @default.
- W4313489747 abstract "Poor aqueous solubility and poor intestinal absorption of vitexin, a plant antioxidant flavonoid, limits its putative health benefits and its application in functional foods. In this study, vitexin was encapsulated in CaCO3 nanoparticles using co-precipitation method to improve its bioaccessibility. The effects of synthesis parameters, reaction temperature and homogenization speed, on the properties of vitexin-loaded CaCO3 nanoparticles were studied. Under the optimal condition (temperature of 40 °C and homogenization speed of 25,000 rpm), encapsulation efficiency of 90.45% and loading capacity of 28.64% were obtained. The optimized nanoparticles mainly consisted of vaterite crystals of 99.89% with an average particle size of 78.10 nm and a low PDI of 0.119. In vitro dynamic gastrointestinal digestion study showed 62.15% dissolution of and 78.69% cumulative vitexin release. The enhanced solubilization of the nanoencapsulated vitexin resulted in a 4.2 and 5.8 fold increase in the DPPH• and ABTS•+ scavenging activities, respectively, and a 6.8 fold increase in the bioaccessibility compared to those of the free vitexin. Therefore, this research provides a detailed strategy using the benefits of nanotechnology for enhancement of the in vitro bioaccessibility of vitexin for functional food applications." @default.
- W4313489747 created "2023-01-06" @default.
- W4313489747 creator A5007946326 @default.
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- W4313489747 date "2023-01-01" @default.
- W4313489747 modified "2023-10-14" @default.
- W4313489747 title "Effect of in vitro dynamic gastrointestinal digestion on antioxidant activity and bioaccessibility of vitexin nanoencapsulated in vaterite calcium carbonate" @default.
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- W4313489747 doi "https://doi.org/10.1016/j.lwt.2022.114366" @default.
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