Home Publications & Data Journal Article Polyphenolic compounds appear to limit the nutritional benefit of biofortified higher iron black bean (Phaseolus vulgaris L.) author(s) Tako, Elad published in2014 original file download full citation Tako E, Beebe S, Reed S, Hart J, Glahn R. 2014. Polyphenolic compounds appear to limit the nutritional benefit of biofortified higher iron black bean (Phaseolus vulgaris L.). Nutrition Journal. 13:28.