Purple Sweet Potato

Dioscorea alata, known as purple yam or many other names, is a species of yam, a tuberous root vegetable. The tubers are usually vivid violet to bright lavender in colour, hence the common name, but they may sometimes be plain white.



The antioxidant activity of sweet potatoes increases with the color intensity of the flesh. It is highest in colored varieties, such as purple, deep orange and red sweet potatoes (1, 29, 30). Beta-carotene: An antioxidant carotenoid that is transformed into vitamin A in the body.


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