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Curcumin-Loaded Lactoferrin/Pectin Core-Shell Structured Microgel Nanoparticles: Dual Regulatory Effects in
Ming-Yu Jin1, Sai-Yin Yu2, Er-Feng Wang1
1Dongguan Key Laboratory of Typical Food Precision Design, China National Light Industry Key Laboratory of Healthy Food Development and Nutrition Regulation, School of Life and Health Technology, Dongguan University of Technology, Dongguan 523808, China.
Background:
Curcumin (Cur) has therapeutic potential for inflammatory bowel disease (IBD) but is limited by its poor bioavailability.
Methods:
This study demonstrated that Cur-loaded core-shell structured microgel nanoparticles (LF/CP-Cur MN), fabricated through electrostatic complexation between lactoferrin and citrus pectin, followed by Ca2+ consolidation, overcome this limitation.
Results:
These nanoparticles effectively reduced the bitterness and astringency of curcumin while prolonging its release time. In an IBD mouse model, LF/CP-Cur MN treatment mitigated symptoms and inflammation of IBD, and restored intestinal barrier integrity. Crucially, compared with free Cur, the LF/CP-Cur MN enhanced colon-targeted accumulation of Cur and favorably modulated the gut microbiota by increasing beneficial genera like Lactobacillus and Dubosiella, while suppressing harmful genera like Enterobacter, thereby promoting levels of acetate, propionate, and butyrate.
Conclusions:
These findings highlight the potential of the LF/CP-Cur MN to improve Cur bioaccessibility and exert dual functional roles in modulating gut microbiota and alleviating inflammation, thus offering a promising dietary strategy for the management of IBD.
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