1. Ou K, Sarnoski P, Schneider KR, Song K, Khoo C, Gu L: Microbial catabolism of procyanidins by human gut microbiota. Mol Nutr Food Res. 2014 Nov;58(11):2196-205. doi: 10.1002/mnfr.201400243. Epub 2014 Aug 22. [PubMed:25045165]