Aloo (Potato) आलू
₹45.00 – ₹125.00
₹45.00 – ₹125.00
Potatoes are underground tubers that grow on the roots of the potato plant, Solanum tuberosum.
This plant is from the nightshade family and related to tomatoes and tobacco.
Native to South America, potatoes were brought to Europe in the 16th century and are now grown in countless varieties worldwide.
They’re generally eaten boiled, baked, or fried and frequently served as a side dish or snack.
Common potato-based foods and food products include french fries, potato chips, and potato flour.
This article tells you everything you need to know about potatoes.
Cooked potatoes with skin are a good source of many vitamins and minerals, such as potassium and vitamin C.
Aside from being high in water when fresh, potatoes are primarily composed of carbs and contain moderate amounts of protein and fiber — but almost no fat.
The nutrients found in 2/3 cup (100 grams) of boiled potatoes — cooked with the skin but without salt — are (1Trusted Source):
Protein: 1.9 grams
Carbs: 20.1 grams
Sugar: 0.9 grams
Fiber: 1.8 grams
Fat: 0.1 grams
Potatoes are mainly composed of carbs, primarily in the form of starch. The carb content ranges from 66–90% of dry weight (2, 3, 4).
Simple sugars — such as sucrose, glucose, and fructose — are also present in small amounts (5).
Potatoes usually rank high on the glycemic index (GI), making them unsuitable for people with diabetes. The GI measures how foods affect your rise in blood sugar after a meal.
However, some potatoes may be in the medium range — depending on the variety and cooking methods (6Trusted Source, 7Trusted Source).
Cooling potatoes after cooking may lessen their effect on blood sugar and lower their GI by 25–26% (8Trusted Source, 9).
Even though potatoes are not a high-fiber food, they may provide a significant source of fiber for those who eat them regularly.
The level of fiber is highest in the skin, which makes up 1–2% of the potato. In fact, dried skins are about 50% fiber (10Trusted Source).
Potato fibers — such as pectin, cellulose, and hemicellulose — are mainly insoluble (11Trusted Source).
They also contain varying amounts of resistant starch, a type of fiber that feeds the friendly bacteria in your gut and improves digestive health (12Trusted Source).
Resistant starch can also improve blood sugar control, moderating your rise in blood sugar after meals (13).
Compared to hot potatoes, cooled ones offer higher amounts of resistant starch (8Trusted Source).
Potatoes are low in protein, ranging from 1–1.5% when fresh and 8–9% by dry weight (10Trusted Source, 14).
In fact, compared to other common food crops — such as wheat, rice, and corn — potatoes have the lowest amount of protein.
However, the protein quality of potatoes is very high for a plant — higher than that of soybeans and other legumes (10Trusted Source).
The main protein in potatoes is called patatin, which may cause allergic reactions in some people (15Trusted Source).
Carbs are the main dietary component of potatoes. Those cooled down after boiling may provide some resistant starch, which can improve gut health. Potatoes also contain small amounts of high-quality protein.
Vitamins and Minerals
Potatoes are a good source of several vitamins and minerals, particularly potassium and vitamin C.
The levels of some vitamins and minerals drop during cooking, but this reduction can be minimized by baking or boiling them with the skin on.
Potassium. The predominant mineral in potatoes, potassium is concentrated in the skin and may benefit heart health (16, 17Trusted Source).
Vitamin C. The main vitamin found in potatoes, vitamin C is significantly reduced with cooking — but leaving the skin on appears to reduce this loss (16).
Folate. Concentrated in the peel, folate is mostly found in potatoes with colored flesh (18Trusted Source).
Vitamin B6. A class of B vitamins involved in red blood cell formation, B6 is found in most foods. Deficiency is rare.
Potatoes are a good source of several vitamins and minerals, including potassium, folate, and vitamins C and B6.
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Other Plant Compounds
Potatoes are rich in bioactive plant compounds, which are mostly concentrated in the skin.
Varieties with purple or red skin and flesh contain the highest amounts of polyphenols, a type of antioxidant (19).
Chlorogenic acid. This is the main polyphenol in potatoes (19, 20Trusted Source).
Catechin. An antioxidant that accounts for about 1/3 of total polyphenol content, catechin is highest in purple potatoes (19, 21Trusted Source).
Lutein. Found in potatoes with yellow flesh, lutein is a carotenoid antioxidant that may boost eye health (10Trusted Source, 16, 22Trusted Source).
Glycoalkaloids. A class of toxic phytonutrients produced by potatoes as a natural defense against insects and other threats, glycoalkaloids may have harmful effects in large amounts (20Trusted Source).
Potatoes harbor some healthy antioxidants that are responsible for many of their health benefits and mostly concentrated in the skin.
Health Benefits of Potatoes
Potatoes with skin may have a number of health benefits.
Hypertension, a harmful condition characterized by abnormally high blood pressure, is one of the main risk factors for heart disease.
Potatoes contain a number of minerals and plant compounds that may help lower blood pressure.
The high potassium content of potatoes is particularly noteworthy.
Several observational studies and randomized controlled trials link high potassium intake to a reduced risk of high blood pressure and heart disease (17Trusted Source, 23Trusted Source, 24Trusted Source).
Other substances in potatoes that may promote lower blood pressure include chlorogenic acid and kukoamines (25Trusted Source, 26Trusted Source).
Fullness and Weight Management
Foods that are very filling may contribute to weight control, prolonging the feeling of fullness after meals and reducing food and calorie intake (27Trusted Source).
Relative to other carb-rich foods, potatoes are particularly filling.
One study of 40 common foods found potatoes to be the most filling (28Trusted Source).
Another small trial in 11 men showed that eating boiled potatoes as a side with pork steak led to less calorie intake during the meal when compared to pasta or white rice (29Trusted Source).
Thus, potatoes may aid weight loss by helping you reduce overall intake.
Studies indicate that proteinase inhibitor 2 (PI2), a potato protein, may suppress appetite (30Trusted Source, 31Trusted Source).
Even though PI2 may suppress appetite when taken in its pure form, it is unclear whether it has any effect in the trace amounts present in potatoes.
Potatoes are relatively filling. For this reason, they may be useful as a part of a weight loss diet.
Safety and Side Effects
Eating potatoes is generally healthy and safe.
However, in some cases, people need to limit their consumption — or avoid them altogether.
Food allergies are a common condition, characterized by a harmful immune reaction to proteins in certain foods.
Potato allergy is relatively rare, but some people may be allergic to patatin, one of the main proteins in potatoes (32Trusted Source, 33Trusted Source).
Those who are allergic to latex may be sensitive to patatin as well due to a phenomenon known as allergic cross-reactivity (34Trusted Source).
Plants of the nightshade family, such as potatoes, contain a class of toxic phytonutrients known as glycoalkaloids.
The two main glycoalkaloids in potatoes are solanine and chaconine.
Glycoalkaloid poisoning after eating potatoes has been reported in both people and animals (35Trusted Source, 36Trusted Source).
However, reports of toxicity are rare and the condition may go undiagnosed in many cases.
In low doses, glycoalkaloids usually cause mild symptoms, such as headache, stomach pain, diarrhea, nausea, and vomiting (35Trusted Source).
In more serious cases, the symptoms include neurological disorders, rapid breathing, fast heartbeat, low blood pressure, fever, and even death (36Trusted Source, 37Trusted Source).
In mice, long-term intake of glycoalkaloids may increase the risk of cancer in the brain, lungs, breasts, and thyroid (38Trusted Source).
Other animal studies indicate that the low levels of glycoalkaloids likely found in the human diet may exacerbate inflammatory bowel disease (IBD) (39Trusted Source).
Normally, potatoes contain only trace amounts of glycoalkaloids. A 154-pound (70-kg) individual would have to eat over 13 cups (2 kg) of potatoes (with the skin) in one day to get a lethal dose (37Trusted Source).
That said, lower amounts may still cause adverse symptoms.
The levels of glycoalkaloids are higher in the peel and sprouts than other parts of the potato. It’s best to avoid eating potato sprouts (37Trusted Source, 40Trusted Source).
Potatoes rich in glycoalkaloids have a bitter taste and cause a burning sensation in your mouth, an effect that may be a warning sign of potential toxicity (41Trusted Source, 42).
Potato varieties containing high amounts of glycoalkaloids — over 25 mg per cup (200 mg per kg) — cannot be marketed commercially, and some varieties have been banned (37Trusted Source, 43Trusted Source, 44).
Acrylamides are contaminants formed in carb-rich foods when they’re cooked at very high temperatures, such as during frying, baking, and roasting (45).
They are found in fried, baked, or roasted potatoes, but not fresh, boiled, or steamed ones (46Trusted Source).
The amount of acrylamides increases with higher frying temperatures (47Trusted Source).
Compared to other foods, french fries and potato chips are very high in acrylamides (48Trusted Source).
These compounds are used as industrial chemicals, and acrylamide toxicity has been reported in people exposed to them in the workplace (49Trusted Source, 50Trusted Source, 51Trusted Source).
Although the amount of acrylamides in foods is generally low, long-term exposure may be harmful.
Animal studies indicate that acrylamides may increase cancer risk and harm the brain and nervous system (52Trusted Source, 53Trusted Source, 54Trusted Source, 55Trusted Source, 56Trusted Source, 57Trusted Source).
In humans, acrylamides have been classified as a possible risk factor for cancer (45).
Numerous observational studies have investigated the effect of eating acrylamide-rich foods on cancer risk, and most did not detect any significant adverse effects (58Trusted Source, 59Trusted Source, 60, 61Trusted Source).
In contrast, a few studies have linked acrylamides with an increased risk of cancer of the breasts, ovaries, kidneys, mouth, and esophagus (62Trusted Source, 63Trusted Source, 64Trusted Source, 65Trusted Source, 66Trusted Source, 67Trusted Source).
High intake of acrylamides may have adverse health effects over time, but the extent of these effects is unclear, and further studies are required.
For optimal health, it seems sensible to limit your consumption of french fries and potato chips.
French Fries and Potato Chips
Potatoes have been blamed for contributing to obesity, cardiovascular disease, and diabetes.
The main reason for this is that potatoes are widely consumed as french fries and potato chips — high-fat foods that harbor a number of unhealthy compounds. French fries are also frequently associated with fast food.
Observational studies link the consumption of fried potatoes and potato chips to weight gain (68Trusted Source, 69Trusted Source).
Fried potatoes and potato chips may also contain acrylamides, glycoalkaloids, and high amounts of salt, which all may be harmful over time (45, 70Trusted Source, 71Trusted Source).
For this reason, high consumption of fried potatoes — especially french fries and chips — should be avoided.
Potatoes may contain a number of unhealthy compounds — particularly when fried. Limit your consumption of french fries and chips, and never eat potato sprouts.
The Bottom Line
Potatoes are a popular high-carb food that provides several healthy vitamins, minerals, and plant compounds. What’s more, they may aid weight loss and help prevent heart disease.
However, this does not apply to fried potatoes — such as french fries and chips — that have been soaked in oil and cooked under high heat. For optimal health, it’s best to limit or avoid these products altogether.
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