Calories in Potato Flour: Nutritional facts for Potato Flour Types

A 100-gram (3.5 ounce) serving of potato flour contains 357 calories.

One kilogram (1000g) of potato flour contains 3570 calories.

One tablespoon (11g) of potato flour contains 39 calories.

A quarter-cup (45g) serving of Bob's Red Mill Potato Flour contains 160 calories, while a quarter-cup (42g) serving of Anthony's Potato Flour contains 150 calories. A one-tablespoon (10g) serving of King Arthur Potato Flour contains 35 calories.

Potato flour consumption is associated with several health advantages, supported by research. The key health benefits are detailed below.

• Supports Gut Health: Potato flour is a source of resistant starch, which escapes digestion in the small intestine and ferments in the large intestine, acting as a prebiotic to feed beneficial gut bacteria. A review by Birt, D. F., et al. (2013), "Resistant Starch: Promise for Improving Human Health," detailed how resistant starch promotes the production of short-chain fatty acids like butyrate, which is the primary energy source for colon cells.
• Aids Blood Pressure Control: The exceptionally high potassium content in potato flour helps counterbalance the effects of sodium, supporting healthy blood pressure levels. A meta-analysis of clinical trials by Aburto, N. J., et al. (2013), "Effect of increased potassium intake on cardiovascular risk factors and disease," found that increased potassium intake reduces systolic and diastolic blood pressure in adults.
• Supports Energy Metabolism: Potato flour is a good source of Vitamin B6, a crucial coenzyme involved in over 100 enzyme reactions, mainly concerned with protein and energy metabolism. A review by Kennedy, D. O. (2016), "B Vitamins and the Brain: Mechanisms, Dose and Efficacy—A Review," outlined the essential role of B vitamins in the processes that convert food into cellular energy.

Potato flour is safe for most people in culinary amounts, but some health considerations exist. These potential aspects are outlined below.

• High Glycemic Index: Potato flour has a high glycemic index, meaning the carbohydrates are rapidly digested and can cause a quick spike in blood sugar levels. A study by Bahado-Singh, P. S., et al. (2019), "Glycemic index and glycemic load of some Jamaican foods," confirmed the high glycemic response of potato products. An alternative with a lower glycemic index is chickpea flour. A daily suggested amount is to use potato flour in small quantities as a thickener or as part of a flour blend in a meal containing fiber and protein to buffer the glycemic response.
• Contains Glycoalkaloids: Potatoes naturally produce glycoalkaloids like solanine and chaconine as a defense mechanism. While commercial processing reduces these compounds, consuming extremely large quantities of potato flour could lead to an intake of these toxins. A review by Friedman, M. (2006), "Potato Glycoalkaloids and Metabolites: A Review of Health-Promoting Perspectives," discussed the toxic potential of glycoalkaloids at high concentrations. An alternative with no glycoalkaloids is rice flour. A suggested amount is to consume potato flour within normal dietary patterns, as the levels in commercial products are considered safe.

Yes, potato flour can be a good food choice when used in moderation as part of a balanced diet, due to its high concentration of certain minerals and its resistant starch content. Potato flour supports heart health through its abundant supply of potassium, which is essential for regulating blood pressure. A clinical trial by Whelton, P. K., et al. (1997), "Effects of oral potassium on blood pressure," provided strong evidence that potassium supplementation lowers blood pressure in people with hypertension. 

The flour aids digestive health because some of its starch is resistant starch, which nourishes beneficial gut bacteria. A study by Maier, T. V., et al. (2017), "Impact of dietary resistant starch on the human gut microbiome," showed that resistant starch consumption can favorably alter the composition of the gut microbiota. The flour also provides important nutrients for metabolic health, such as Vitamin B6 and iron. A publication from the National Institutes of Health, "Iron: Fact Sheet for Health Professionals," details the mineral's critical role in oxygen transport through hemoglobin and its necessity for energy production. The combination of these nutrients makes potato flour a useful gluten-free ingredient.

Changes in calorie content between potato flour and potato starch are minimal. Both potato starch and potato flour contain 357 calories per 100 grams. This lack of variation is because both products are derived from the same source and are composed almost entirely of carbohydrates. While potato flour retains small amounts of fiber and protein, the amounts are not sufficient to create a meaningful caloric difference compared to the pure, refined carbohydrate of potato starch.

No, potato flour does not have gluten. Potatoes are vegetables and do not naturally contain gluten, the protein found in wheat, barley, and rye. This makes potato flour an excellent ingredient for gluten-free cooking and baking. Individuals with celiac disease or gluten sensitivity can safely use pure potato flour. Cross-contamination can be a risk if the flour is processed in a facility that also handles wheat products, so choosing brands that are certified gluten-free is the safest option for those with severe sensitivities.

Potato cultivation began in the Andes Mountains of South America, in the region of modern-day Peru and Bolivia, over 7,000 years ago. Indigenous peoples developed methods to preserve potatoes, including creating a freeze-dried product called chuño by exposing the tubers to the freezing night air and intense daytime sun. This process created a light, durable, and long-lasting food source. Spanish conquistadors introduced the potato to Europe in the second half of the 16th century. The practice of drying and grinding potatoes into flour was adopted in Europe as a way to extend the shelf life of the crop and as a gluten-free extender for wheat flour in bread making, especially during times of grain shortages. The use of potato flour and starch became integral to many Northern and Eastern European cuisines, appearing in dishes like Polish pierogi, German dumplings, and Norwegian lefse. In the 20th and 21st centuries, potato flour and starch gained new prominence globally as essential ingredients in the growing market for gluten-free foods.