MK571 inhibits phase-2 conjugation of flavonols by Caco-2/TC7 cells, but does not specifically inhibit their apical efflux.

"all data points. table 1"

"☆: This work was supported by a CASE Studentship to RDB funded by the Biotechnology and Biological Sciences Research Council (BBSRC) UK [grant number BBS/L/2003/10266] with additional support from Nestec York Limited, and by an Institute Strategic Programme Grant (‘Food and Health’; Grant No. BB/J004545/1) from the BBSRC to the Institute of Food Research. Apart from the stated contributions of authors PAK and GW, neither Nestec York Ltd. nor the BBSRC (UK) had any direct input into study design, collection/analysis/interpretation of data, writing of this report or the decision to submit this article for publication. The research reported here has previously been published within a PhD thesis. Barrington, R. ‘The Role of Efflux Transporters in the Bioavailability of Flavonols’. University of East Anglia, 2007."