“…are leafy, cruciferous, and the most nutritious subgroup (USDA, 2010). For example, they contain high amounts of vitamins A, B, and C, fiber, lutein and phytochemicals (Butt & Sultan, 2011; Johnston, Taylor, & Hampl, 2000; Tomita, Roteli-Martins, Villa, Franco, & Cardoso, 2011; Venzon & Izzy, 2012). Regular consumption of vegetables in the dark green group is strongly associated with reduced risk of chronic diseases, such as cardiovascular disease (Chaoyang et al, 2010; Van Duyn & Pivonka, 2000).…”