Their low glycemic index (GI) has been linked to the management of diabetes and diabetes-related diseases (Rizkalla et al., 2002; Sievenpiper et al., 2009) while bioactive components have been investigated for their health potential—e.g., lectins for their immunomodulatory effect, protease inhibitors for anti-inflammatory effects, and angiotensin I-converting enzyme (ACE) inhibitory peptides for their anti-hypertensive properties (Rochfort and Panozzo, 2007; Roy et al., 2010). This evidence concerns the gene ACE and diabetes mellitus.