Background: This study aimed to elucidate the transport mechanism of lycopene-loaded nanomicelles to improve intestinal absorption of lycopene. The interactive mechanism between lycopene and nanomicelles was investigated through isothermal titration calorimetry (ITC). The cytotoxicity, cellular uptake, endocytosis, and intracellular transport pathways of lycopene-loaded nanomicelles were investigated using the Caco-2 cell model.
Results: The ITC results demonstrated that nanomicelles/lycopene binding was an entropy-driven spontaneous exothermic reaction, and hydrophobic interactions were the main driving force. Lycopene-loaded nanomicelles were not cytotoxic, and uptake of lycopene by Caco-2 cells increased 2.20-fold after nanoencapsulation. The results of intracellular transport of lycopene-loaded nanomicelles indicated that the endoplasmic reticulum, Golgi apparatus, and lysosomes play key roles in this process. The intracellular transport results showed that the endoplasmic reticulum, Golgi apparatus, and lysosomes were important organelles for intracellular transport of lycopene-loaded nanomicelles.
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The Journal of the Science of Food and Agriculture publishes peer-reviewed original research, reviews, mini-reviews, perspectives and spotlights in these areas, with particular emphasis on interdisciplinary studies at the agriculture/ food interface.
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