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Anti-Escherichia coli adhesin activity of cranberry and blueberry juices.

Posted: 
November 5, 2010
Authors: 
Ofek I, Goldhar J, Zafriri D, Lis H, Adar R, Sharon N.
Journal: 
N Engl J Med 324(22):1599
Abstract: 

No abstract - The high-molecular-weight inhibitor of adhesin was partially purified from cranberry juice by gel-filtration chromatography. The product was heat-stable, resistant to trypsin, and nondialysable, and it inhibited the MR adhesin of al 20 urinary isolates tested in concentrations of 12 to 25 µg per milliliter. On the basis of these results, together with those of earlier studies, we suggest that the antiadhesive agents in juices from vaccinium berries may act in the gut (the source of most uropathogens), in the bladder, or both by preventing colonization of these sites.