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Purple Reign

Foods in this color group offer powerful nutritious value

Purple superfoods like cauliflower provide key vitamins for your diet. Getty Images , which are natural plant pigments that provide foods with their unique color, registered dietitian Katherine Brooking writes for WebMD. Studies have shown that anthocyanins may benefit , help to , and and . Get instant access to members-only products and hundreds of discounts, a free second membership, and a subscription to AARP the Magazine. In addition to anthocyanins, purple produce offers other key vitamins and nutrients. Here are a few purple powerhouses that nutritionists recommend adding to your dinner plate.

Purple Cauliflower

Cauliflower has powerful cancer-fighting properties, and the purple variety is an excellent source of vitamin C, fiber, potassium and B vitamins.

Purple Asparagus br

Getty Images This is similar in taste to white and green asparagus, but is also loaded with vitamin C, according to Brooking. The purple variety also contains two primary anthocyanins and has strong antioxidant scores.

Concord Grapes br

Getty Images Concord grapes have thick deep purple skin and crunchy seeds that are rich in anthocyanins. They also contain manganese, vitamin K, potassium, certain B vitamins and vitamin C.

Purple Potatoes

Getty Images Research shows that purple potatoes have two to four times the antioxidants of their white counterparts, Brooking says. "One study found that people who ate two servings of purple potatoes daily lowered their by 4.3 percent and the systolic pressure decreased by 3.5 percent without gaining any weight."

Eggplant br

Getty Images Eggplant is a low-calorie treat that has over a dozen kinds of antioxidants, registered dietician Cynthia Sass writes for Shape.com. She notes that in a study of animals, their cholesterol levels dropped after being fed eggplant juice.

Plums br

Getty Images This juicy snack is a great source of vitamins A and C that support your immune system. Dried plums, or prunes, are full of minerals such as calcium, magnesium, iron and potassium, Sass writes. AARP Membership — $12 for your first year when you sign up for Automatic Renewal Get instant access to members-only products and hundreds of discounts, a free second membership, and a subscription to AARP the Magazine. AARP VALUE & MEMBER BENEFITS See more Health & Wellness offers > See more Flights & Vacation Packages offers > See more Finances offers > See more Health & Wellness offers > SAVE MONEY WITH THESE LIMITED-TIME OFFERS