Health benefits of purple vegetables

Food scientists say there may be even better choices than your average garden-variety greens.

CBC health reporter Kelly Crowe asks University of Guleph's Mary Ruth McDonald about the resurgence of purple carrots, cauliflower,potatoes and kale.

Aclinical trial is testing vegetables like drugs to see if the phytochemicals inplant pigments can changerisk factors associated with cardiovascular disease, such ascholesterol levels.