Purple sweet potatoes have a rich taste, almost wine-like flavor with a creamy texture. Let’s examine the taste and texture of a purple sweet potato and purple yam. Since they are grown differently and come from different areas of the world, one would think they taste different. Purple Sweet Potato vs Purple Yam: Taste and Texture This is the same chemical responsible for the red/purple coloration in red wine and red cabbage. Like the purple yam, the purple sweet potato gets its bright coloration from the antioxidant anthocyanin. Some varieties are cultivated extensively in the US, whereas others are native to South East Asia, like the purple yam. On the other hand, purple sweet potatoes come in many different varieties depending on the region in which they are found. Accordingly, purple yams throughout South East Asia are indicators of ancient human migration used by evolutionary biologists and anthropologists. Notably, many cultivars of the purple yam are sterile, so wild dispersal of the fruit is uncommon. Dioscorine, a neurotoxin, can cause nausea, dizziness, and vomiting in small doses, and convulsions or other serious side effects in large quantities. Purple yams contain the toxin dioscorine and must be thoroughly cooked to make them suitable for human consumption. They are considered an invasive species in the southern US. Purple yam or Dioscorea alata, grows underground like sweet potatoes.
#PURPLE POTATOES SKIN#
Available year-round, these sweet potatoes have purple-tinted skin with a deep purple flesh that intensifies when cooked. Stokes has purple skin and flesh, a moist and starchy texture and a mildly sweet floral taste. Stokes Sweet Potatoes: Stokes was initially native to North Carolina but is grown commercially in Central California.Although they have a bluish-purple color, their texture is dry and starchy with a mildly sweet and bitter aftertaste. They have white skin with deep purple flesh. Okinawa Sweet Potatoes: Okinawa’s originated in Central and South America but are locally grown in Hawaii.There are two main common variations of purple sweet potato. Purple sweet potatoes are high in oligosaccharides, which are prebiotics promoting healthy gut flora. Also, like the purple yam, the purple coloration comes from the anthocyanin content. The purple sweet potato is native to Polynesia and South America and is a good source of beta carotene like the purple yam. The species most common in the United States is Ipomoea batatas, which grows in many different colors. Depending on the region you live in, the ones you find at your local store could be from one out of a dozen different varieties. There are many different varieties of sweet potato with purple color. We’ll discuss nutritional details and taste comparisons more in-depth later in this article. The purple yam is also relatively high in anthocyanin, an antioxidant that gives it its purple color. Ube is high in vitamin C, antioxidants, and resistant starch. Yams, in general, are a good source of beta carotene, although the purple variants contain less than orange variants. The purple yam has a sweet and nutty flavor with hints of vanilla and pistachio.
Above ground the vined plant can grow rapidly and long. Purple YamsĪlso known as ube, the purple yam is a distinct species of yam native to South East Asia.
Purple yams are a species of yam native to South East Asia while purple sweet potatoes are native to Polynesia and South America.įirst, let’s take a look at each one individually.
Purple sweet potatoes have a beige outer skin with a blue-purple flesh. The narrower purple yams have a brown-reddish colored skin with a light purple flesh. Purple sweet potatoes and purple yams are not the same. Is Purple Sweet Potato and Purple Yam The Same? As an Amazon associate I earn from qualifying purchases. Then I’ll examine their health benefits and if one is easy to store than the other.ĭisclaimer: Some links in this article are affiliate links which means I may earn a small commission at no extra cost to you. In addition, I’ll discuss their tastes, textures, culinary differences, costs and whether one can substitute for the other. This article includes a side-by-side nutrient comparison. Purple yams taste sweeter than purple sweet potatoes and are more difficult to find in the United States. Purple sweet potatoes grow underground as tubers while purple yams grow underground also from a vine plant above ground. Purple sweet potatoes and purple yams are distinct types of vegetables. Purple yams and purple sweet potatoes are often mistaken for one another and are mistakenly referred to as “yams.” There are similarities and differences leading many people to ask, what’s the difference between a purple sweet potato and purple yam?
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