Why is a blue potato blue?

Asked By: Frusina Bertrand | Last Updated: 14th June, 2020
Category: healthy living nutrition
4.8/5 (214 Views . 14 Votes)
They get their color from natural anthocyanin pigments, which are responsible for blues, reds, and violets in many fruits and vegetables. With a lot of variation, blue potatoes often taste similar to other potatoes - their color does not impart a special flavor.

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Similarly, you may ask, where do blue potatoes come from?

Blue potatoes first originated thousands of years in South America, but it wasn't until the late 70's when they first started to become more popular around the world. This nutritious vegetable is unusual to other vegetables as both the skin and flesh are coloured and contains high levels of Anthocyanins.

Likewise, do blue potatoes exist? It's rare to see large blue or purple potatoes, not because they don't exist, but because nearly all varieties are harvested young. The many different types of blue potatoes include: Adirondack blue, fingerling, petite, blue vitelotte, purple Peruvian, Congo, all blue and Russian blue.

Likewise, people ask, are blue potatoes healthier than white?

In fact, they have two to three times more antioxidant activity than white or yellow potatoes (7). Antioxidants are plant compounds that can protect your cells from the damaging effects of oxidative stress. Purple potatoes are especially rich in polyphenol antioxidants called anthocyanins.

Are blue and purple potatoes the same?

Purple potatoes, sometimes referred to as blue potatoes, are a type of potato which are native to South America. While very similar to their white grocery store counterparts, these potatoes exhibit a beautiful purple colored skin and flesh. Anthocyanin, of course, being responsible for the plants' vibrant purple color.

26 Related Question Answers Found

Can you eat purple potato skin?

Boiled Purple Potatoes
You can boil them with the skins on, give them a good washing first. The skin is similar in texture to a red skinned potatoes. You can cut them in half if they are too large to cook quicker. If you are going to boil them watch them carefully, so you don't overcook them.

Can you eat the skin of blue potatoes?

There's nothing wrong with a modest serving of potatoes (as long as you're eating the whole thing, including the areas near the skin with the highest concentration of nutrients, and you might as well eat the skin itself), and blue potatoes might be slightly healthier than regular ones.

What are blue potatoes called?

South American blue potatoes, also known as purple potatoes, have naturally blue or purplish skin and flesh, and are unusually high in antioxidants making them superfoods as well as interesting to grow, cook, and serve.

What is the healthiest potato?

The Healthiest Potato is the Red Potato
After taking into account the mineral density, the vitamin density, the macronutrient balance, the sugar-to-fiber ratio, the sodium-to-potassium ratio, and the phytochemical profile, red potatoes are the healthiest potato with data from the USDA Food Database.

Why do potatoes turn purple?


Typically, it happens if you boil (or fry) potatoes and then store them—they will sometimes turn black or purple over time if they are exposed to air. According to the American Journal of Potato Research: After-cooking darkening is caused by the oxidation of the ferri-chlorogenic acid in the boiled or fried potatoes.

Can you eat purple potatoes raw?

“It's a good start, but we have to continue screening purple/purples to find a variety that offers disease resistance, good yield, and consistent deep purple flesh color." Sweet potatoes can be eaten raw or cooked.

Are purple potatoes sweet?

Purple sweet potatoes are root vegetables. They're not as easy to find as regular sweet potatoes and are more of a specialty item, so they will cost a little more. Sweet potatoes that have brown, red-orange, or white skin with orange or white flesh are native to Colombia and southern Central America.

What does a blue potato taste like?

Typically, the taste of blue potatoes has been described as rich and nutty, though there are some non-blue types that have a similar flavor profile. There is enough starch in blue potatoes to make them good for mashing but they're also moist and waxy enough to hold together in potato salad.

What is the side effect of potato?

Side Effects & Safety
These poisonous chemicals can cause headache, flushing, nausea, vomiting, diarrhea, stomach pain, thirst, restlessness, and even death. There isn't enough information to know whether it's safe to put raw potato on the skin as a treatment.

Are potatoes bad carbs?


Potatoes are considered a starchy vegetable and a healthy carb. They're high in fiber (when including the skin), low in calories, and include vitamins and minerals. Even though it's a complex carbohydrate, some potatoes increase blood sugar levels faster than other types of complex carbs.

Do potatoes make you fat?

Eating a potato, or any type of carbohydrate rich food, won't automatically make you fatter. However, if you are watching your weight, enjoy potatoes in moderate quantities and be careful of how you eat them (for example, butter and sour cream are high in fats.

Are boiled potatoes healthy?

When consumed in moderation, potatoes can be an excellent addition to your diet. They contain good amounts of fiber and nutrients, plus they are very satiating and versatile. Baking, boiling and steaming potatoes are the best choices in terms of minimizing their fat and calorie contents, compared to frying.

Is Potato good for weight loss?

Though the potato diet may be effective for short-term weight loss, it's not a long-term solution. Potatoes are nutritious, but they don't contain all the nutrients you need for optimal health. Furthermore, very-low-calorie diets have been shown to slow metabolism and decrease muscle mass.

Why is potatoes bad for you?

Potatoes are fat free, but they are also starchy carbohydrates with little protein. According to Harvard, the carbs in potatoes are the kind that the body digests rapidly and have a high glycemic load (or glycemic index). That is, they cause blood sugar and insulin to surge and then dip.

Can you live off potatoes?


Much research has been conducted on potatoes, and the conclusion drawn by every medical doctor and nutritionist on the planet is that you have to be nuts to think you can live off of potatoes. You also need a store of nutrients potatoes lack, such as vitamin A for proper vision, or else exit this diet blindly.

Are potatoes good for diabetics?

Although potatoes are a starchy vegetable, a person with diabetes can still enjoy them as part of a healthful diet. For this reason, it essential that people with diabetes monitor their carbohydrate intake. Potatoes are a starchy vegetable. They contain carbohydrates which will increase a person's blood sugar levels.

Is Potato good for health?

Potatoes are rich in vitamins, minerals and antioxidants, which make them very healthy. Studies have linked potatoes and their nutrients to a variety of impressive health benefits, including improved blood sugar control, reduced heart disease risk and higher immunity.