Assertion: cranberry juice's proanthocyanidin | /r/HasProperty | main component
Facets:
Source sentences:
text: Ten years later Howell et al (1998) reported that condensed tannins - specifically proanthocyanidins, which are found in cranberries, blueberries and other vaccinium fruit species - appeared to be the main component preventing the attachment of P-fimbriated E. coli to the walls of the urinary tract.