Purple Yams. Sweet potatoes are grown underground while yams grow on a vine above the ground, though yams do look like a tuber. The two are commonly confused and mislabeled at the market, so most people in the U.S. have never eaten an actual yam (native to Africa). There are purple varieties of both vegetables. 28 июл. 2021 г.
Is purple potato a yam?
It can be easy to confuse Okinawan sweet potatoes and ube – a type of yam – because of their rich purple color, but make no mistake, they are two different ingredients. Here are some of the major taste, nutrition, and biological differences and similarities between these two crops.
Which is better purple yam or sweet potato?
In nutritional comparison, yam is richer in fiber and has a lower glycemic index, sodium and sugar content than sweet potatoes. There isn't an obvious winner in mineral comparison because of the extremely high potassium and sodium levels in yam and fairly higher content of calcium and zinc in sweet potato.
What is purple sweet potato called?
Eventually, these purple potatoes wound up in Hawaii and became a part of the native menu, where they are also known as "Hawaiian sweet potatoes." Today, they are widely grown in Hawaii and exported to the United States mainland.
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