Health benefits of purple vegetables

Canadian researchers are reaching back in time to try to make people healthier with ancient vegetables.

Scientists are learning more about the medicinal value of pigments in purple carrots and potatoes

CBC's Kelly Crowe asks University of Guelph's Mary Ruth McDonald about the resurgence of purple potatoes and carrots 5:08

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.

A clinical trial is testing vegetables like drugs to see if the phytochemicals in plant pigments can change risk factors associated with cardiovascular disease, such as cholesterol levels.