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Food Chem. 2012 Dec 1;135(3):999-1005. doi: 10.1016/j.foodchem.2012.05.101. Epub 2012 Jun 7.

Cocoa polyphenols are absorbed in Caco-2 cell model of intestinal epithelium.

Author information

1
University of Applied Sciences Valais, Institute of Life Technologies, Route du Rawyl 47, CH-1950 Sion, Switzerland. agnieszka.kosinska@hevs.ch

Abstract

Cocoa is an abundant source of polyphenols, mainly flavan-3-ol monomers and polymers. In the literature, there are contradictory data on the absorption limit of procyanidins in humans. In our study, the Caco-2 cell model of intestinal epithelium was used to determine the absorption and secretion of cocoa flavan-3-ols. Three compounds: (+)-catechin, (-)-epicatechin and procyanidin B2 were detected and quantified at the receiver side of Caco-2 monolayer after 2h transport experiment. The obtained results of apparent permeability coefficient suggest paracellular route of transport of investigated compounds. Additionally, the results suggest that compounds of cocoa powder purified extract are able to affect tight junction functioning.

PMID:
22953816
DOI:
10.1016/j.foodchem.2012.05.101
[Indexed for MEDLINE]

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