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• Yams vs sweet potatoes skin#

White potatoes come from the Solanaceae family, which is related to tomatoes, peppers, and eggplant and considered part of the “nightshade” group of vegetables. White potatoes are something we are all pretty familiar with. Yams are not a common item to find in your grocery store, in fact, they are often difficult to find, except perhaps in an international market or ethnic food store. Yams are not sweet and smooth like sweet potatoes, they are more dry and starchy tasting. The inside flesh is white, yellow, purple or pinkish.

Yams vs sweet potatoes skin#

Yams are more cylindrical, and have rough brown, almost tree-bark like skin that is very difficult to peel.

Size can vary from that of a small potato to up to 5 feet (1.5 meters). Compared to sweet potatoes, yams can grow very large. Yams have some distinct characteristics, and if you ever saw them, you would probably not confuse them with sweet potatoes. Yams originated in Africa and Asia and there are about 600 different varieties of yams.

However, they come from a completely different family and are actually part of the lily family. Sweet potatoes are also usually softer and sweeter when cooked than either yams or regular white potatoes. Sweet potato’s flesh inside also varies from white to orange or reddish orange, to purple-colored. Sweet potatoes are usually longer and tapered at the ends with smooth colored skin, and can range in color from tan, to yellow, to orange, red, or purple. Sweet potatoes generally come from either Central or South America. They are a member of the morning glory family, and not related to either yams or white potatoes. Well for starters, sweet potatoes are the orange or reddish colored root vegetable you see at the grocery store. Is there a difference? And how do they compare with regular white potatoes? Some people call them “yams” and others call them “sweet potatoes”. By: Cat Ebeling, RN, MSN-PHN, co-author of the best-sellers: The Fat Burning Kitchen, The Top 101 Foods that Fight Aging & The Diabetes Fix