Although a boiled sweet potato has a low glycemic index and medium glycemic load, when you bake it for a long period of time, the glycemic index and glycemic load becomes very high. The glycemic index varies depending on the type of potato -- Harvard Health Publications reports in its listing of the glycemic index of more than 100 foods. The sweet potato glycemic index can help you decide how this nutritious vegetable fits in your diet. Results for the Glycemic Index and Glycemic Load are given below for the Glycemic Index for Sweet potato (Ipomoea batatas) (Australia). 3) Purple Potatoes: “These are considered to be part of the sweet potato family, but instead of being orange on the inside, they’re purple,” Friedman explains. Orange sweet potatoes have a glycemic index of 61 and a glycemic load of 11 while murasaki has a higher glycemic index of 75 and a significantly higher glycemic load of 22. If you load your sweet potatoes like I do, with lots of butter and brown sugar, and you don't put anything on a white poatato, then the whites healthier. Sweet potatoes have been growing in popularity over the past five years, and now, virtually every restaurant menu offers them as an alternative to regular French fries. Food Chem. Sweet potato and Irish potato have closely related nutrient profile; though, sweet potato is said to be more nutritious. potato, potahto. Sweet potatoes are lower on the glycemic index. The GI can greatly depend on the type of sweet potato or the cooking process. The first study focused on C-peptide and insulin analysis via ELISA (ALPCO Diagnostics) from subjects at 0, 60, and 120 minutes after consumption of potato samples. Sweet Potato Facts: Sweet potatoes were consumed in pre historic times as proven by relics in Peru dating back ten thousand years. The glycemic index is simply a measure of how quickly a food (particularly carbohydrates) raises blood sugar levels. Potato: The Nutritional Facts According to the USDA , one medium baked sweet potato with skin contains 103 calories, 2.29 grams of protein, 0.27 grams of fat, 23.6 grams of carbohydrates, 3.8 grams of fiber and 7.39 grams of sugar. Glycemic Index: 85 (high) white potato; 54 (low) sweet potato. Potassium: 738.3 mg white potato; 541.5 mg sweet potato. The Open Nutrition Journal, 2012, 6, 1-11 1 1874-2882/12 2012 Bentham Open Open Access Glycemic Index of Sweet Potato as Affected by Cooking Methods Jonathan C. Allen*,1, Alexis D. Corbitt1, Katherine P. Maloney1, Masood S. Butt2 and Van-Den Truong1,3 1Department of Food, Bioprocessing, and Nutrition Sciences,North Carolina State University, Raleigh NC 27695-7624, USA Glycemic Index of Sweet Potato. But finding a baked sweet potato alongside a white baked potato hasn’t happened quite yet. Cold storage of potatoes and the addition of vinegar reduced acute glycemia and insulinemia in healthy subjects after a potato meal. One medium white or red-skinned potato, with the skin, has more than double the potassium of a medium-sized banana, 950 milligrams versus 422 mg. (Adults need 4,700 mg of potassium a … Sweet potatoes have a lower glycemic index compared to potatoes. If you fix them the same (either with stuff or without), then the sweet potato has more fiber and vitamins, and it's effect on blood sugar is less pronounced than with white potato. Which was prepared by boiling them for some 8 minutes. You could eat as many raw potatoes, and you won’t have a problem. Both types of potatoes are rich in fiber, carbs, and vitamins b6 and c. white potatoes are higher in potassium, whereas sweet potatoes contain more vitamin a. different glycemic indexes. “What makes them different than the orange-colored sweet potatoes are two genes — IbMYB1 and IbMYB2 — that get activated to produce the pigments responsible for the rich purple tones of the flesh. The study investigated the decrease in glycemic response of white potato vs. white potato plus Caiapo, an antidiabetic acidic glycoprotein component in Japanese sweet potato cultivars. The glycemic index ranks carbohydrates on a scale of 0 to 100 on how they affect blood sugar. Evaluation of nutritional profiles of starch and dry matter from early potato varieties and its estimated glycemic impact. When it comes to different types of potatoes, their glycemic index also differs. Compare Sweet potato to Turnip by vitamins and minerals using the only readable nutrition comparison tool. One group compared the glycemic index and load of sweet potatoes vs. potatoes. POTATOES AND GLYCEMIC INDEX Pinhero RG, Waduge RN, Liu Q, Sullivan JA, Tsao R, Bizimungu B, Yada RY. Using glucose to represent 100 on the glycemic index scale, boiled white potatoes have a glycemic index of 82, instant mashed potatoes have a value of 85, and sweet potatoes a value of 70. But you don’t have to eliminate them from your diet to maintain stable blood sugar levels, according to the Glycemic Index Foundation 1.Instead, combine these starchy foods with those that have a low glycemic index value to minimize their negative effects 1. Glycemic Index. An important area where potatoes and sweet potatoes differ is in their glycemic index (GI), a scale from 0 to 100 that rates how quickly a food will cause your blood sugar to rise. Dr. Atkins discussed the "Glycemic Index" in DANDR. Plus, white potatoes have slightly less sugar than sweet potatoes as expected, but that's NBD. Based on the mean of nine studies, the glycemic index of a cooked sweet potato is 70±6. The glycemic index (GI) is a measure of how a certain food affects your blood sugar. 2016 Jul 15;203:356-66. baked potato=85 sweet potato =54 On Fitday: 1cup baked potato =26.3g carbs & 1.83g fiber =24.47 net carbs 1cup sweet potato (cubed, raw) = 41.83g carbs & 6.15g fiber =35.68 net carbs Sweet potatoes clearly have more carbs, but a lower glycemic index. “A medium white potato has about 2 grams more per serving of protein than a sweet potato,” says Gans. Boiling usually results in a lower glycemic index. The GI of regular potatoes varies. Learn all the reasons sweet potatoes are good for people with diabetes. However, cooking them breaks down the starch and makes them extremely high on the glycemic index. Sweet potato vs Turnip - In-Depth Nutrition Comparison. If you take into consideration all the variables, it's also incredibly complicated. Foods with a low GI digest more slowly and release sugar gradually into the bloodstream, keeping blood sugar steady. Foods with a Glycemic index of 70 or higher can cause your blood sugar to increase faster than when compared to foods with a medium GI (56-69) or a low Glycemic index (55 or less). our experts analyze what’s the better pick.. The glycemic index of potatoes and sweet potatoes can range from moderate to high levels. China is the largest sweet potato producer, it provides 80% of world supply, but half of that is used for feeding livestock. Identical glycemic index, but differing free sugar compositions Although, I hope that I should by now have convinced you that the glucose response is no convincing argument in favor of the sweet potato. does it matter when it comes to your health? That said, all potatoes do have a significant amount of carbs. Sweet Potato vs. White potatoes vs. sweet potatoes: which are healthier? High glycemic foods are generally considered hazardous for health since rapid metabolism and massive release of glucose leads to a high insulin response that may lead to type 2 diabetes. For example, boiled waxy potatoes have a glycemic index of 89 while baked starchy potatoes have a glycemic index of 111. As you can see, over-processing or cooking potatoes makes them bad for you. That means your blood sugar doesn’t shoot up as fast or as far. Another group suggested that sweet potatoes are a vitamin A ‘superfood’, putting them way ahead of their white potato competitors. They suggested that since white potatoes tend to be higher, they should be avoided. The GI tells you how fast a food spikes your blood sugar. Depending on the type and cooking process, sweet potatoes have a glycemic index of 44 to 94. The 1 GI point difference between sweet and white potato (60 vs. 59) is yet well within the statistical margin. sweet, white. What was most interesting was when a red potato was boiled, refrigerated, and consumed cold the next day, the Glycemic index plummeted 37% from the upper end of a high Glycemic index food (89) to one point away from a classification of a low Glycemic index food (56)(see Table 2). The smaller the potato the less glycemic uptake it produces. Both sweet potatoes and yams have a low glycemic index, or GI. High glycemic foods refer to the nutrients that significantly increase blood sugar levels after ingestion. Bottom line: The glycemic index misses a lot of important information. Even though white potatoes have a higher glycemic index and glycemic load, the cooking method can significantly increase the glycemic index and glycemic load of sweet potatoes as well. COMMENTS It is clear that both the method of cooking and variety of potato can affect Glycemic index. However, glycemic index of potato changes with processing methods. So, for example, a baked sweet potato actually has a higher GI than a boiled white potato. A roasted or baked sweet potato has a higher glycemic index when compared to Irish potato. The presence of this resistant starch makes the glycemic load of a baked white potato actually lower than that of a baked sweet potato (33 vs 45). Maybe someday soon. • Baked potato: 84 • Boiled potato: 82 • Raw potato: Very low. White potatoes have a type of resistant starch known as retrograde starch, which denatures when it has been cooked and cooled. They originated from Central America and were brought to Europe by Christopher Colombus after his first voyage in 1492. Fiber and protein are just two factors that make sweet potatoes and diabetes a great match. The glycemic index results from the research are based on a serving of 150 grams of sweet potato. Rice and potatoes are rich in starches, and both of these foods can cause a marked increase in your blood sugar levels. 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