Dry beans are excellent sources of cheap protein and minerals such as zinc, iron and calcium as well as folates (Broughtonet al., 2003; Bekaert et al., 2008; Hefni et al., 2010), especially incountries, where animal protein is expensive. Moreover, Zn defi-ciency of human is the fifth major cause of diseases and deaths indeveloping countries (Black, 2008).