Journal
BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY
Volume 73, Issue 1, Pages 196-199Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1271/bbb.80510
Keywords
Caco-2 cells; carotenoids; mixed micelles; soluble fiber
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Funding
- Japan Society for the Promotion of Science
- Research and Development Program for New Bio-industry Initiatives of the Bio-oriented Technology Research Advancement Institution
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We evaluated the effects of soluble fibers on beta-carotene and lutein micellization during simulated digestion in vitro, and on carotenoid uptake from mixed micelles by Caco-2 cells. Medium- and high-viscosity alginates and pectins inhibited carotenoid micellization and cellular uptake relative to the fiber-free control. Alginates, carboxy-methylcelluloses, and methylcelluloses inhibited beta-carotene uptake mainly by increasing medium viscosity, but pectins might inhibit carotenoid uptake by additional mechanisms.
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