How to make purple sweet potato flour

In addition to being eaten directly, the most common way to eat purple sweet potatoes is to make them into powder, which is purple sweet potato powder. I wonder if you have ever eaten purple sweet potato flour? Purple sweet potato flour is not only a delicious food, but also has high nutritional value. Purple sweet potato flour can generally be purchased on the market, and of course, you can also make your own purple sweet potato flour. Friends who are interested in making their own purple sweet potato flour can learn about the method of making purple sweet potato flour.

What are the nutritional effects of purple sweet potato flour? They mainly include anti-fatigue, anti-aging, beauty and skin care, disease prevention and treatment, etc. So, since purple sweet potato flour has so many benefits and functions, are you interested in learning how to make purple sweet potato flour, and are you tempted to make your own purple sweet potato flour at home?

Purple sweet potato flour is made from fresh and high-quality purple sweet potatoes, which are processed through peeling, drying and other processes. All the dry matter of purple sweet potato except the skin is retained: protein, fat, carbohydrates, vitamins, minerals and dietary fiber, etc. The color, aroma, taste and mouthfeel of the rehydrated purple sweet potato powder are the same as those of steamed and mashed fresh purple sweet potatoes.

How to make purple sweet potato flour

Wash the purple potato raw materials → peel → cut into strips and dices → protect the color → dry → crush (measure moisture) → pack

①Cleaning: Make sure to clean thoroughly, which is related to the final quality of the product.

②Peeling: Use a bamboo knife to peel the skin of the purple sweet potato, especially the concave part of the skin.

③ Slice or shred: Use a vegetable slicer to cut the peeled purple sweet potato into chips or cubes of a certain size.

④ Color protection: Prepare a 0.5% solution with table salt and soak the cut purple sweet potato chips or cubes in it for a few minutes.

⑤ Drying: Use drying equipment to ensure the hygiene of the product, and pay attention to the temperature, which is generally between 45 and 50°C. The drying time can be determined according to the size of the chips and shreds, so that the final moisture content is below 6%.

⑥ Crushing and packaging: Crush the dried purple sweet potato with a hammer mill to make the fineness of the purple sweet potato powder about 80 mesh.

Nutritional Benefits of Purple Sweet Potato Powder

The nutritional content of purple sweet potatoes is significantly higher than that of ordinary sweet potatoes. The content of lysine, copper, manganese, potassium and zinc is 3 to 8 times higher than that of ordinary sweet potatoes. Long-term consumption has the effects of lowering blood pressure, replenishing blood, invigorating qi, moistening the lungs and nourishing the skin. At the same time, it is a weight loss food that can effectively prevent arteriosclerosis, especially the content of anti-cancer substances iodine and selenium is more than 20 times higher than that of other sweet potatoes. Selenium and iron are necessary elements for the human body to resist fatigue, anti-aging, and blood tonic. Selenium, in particular, is known as the "king of anti-cancer" and is easily absorbed by the human body. It can remain in the serum, repair the myocardium, enhance the body's immunity, eliminate free radicals in the body, inhibit the synthesis of DNA in cancer cells and the division and growth of cancer cells, and prevent the occurrence of gastric cancer, liver cancer and other cancers.

Traditional Chinese medicine believes that: "Black nourishes the kidneys. The kidneys are the innate body and the source of life is solid in the kidneys." Modern medicine believes that "black foods" are not only rich in nutrients, but also have unique effects such as nourishing the kidneys, preventing aging, health care and longevity, preventing and curing diseases, and blackening hair and beautifying. Purple sweet potato flour turns bright purple after rehydration and has a rich roasted potato flavor. It is rich in dietary fiber, which can moisturize the intestines and promote bowel movements, beautify the skin, and resist aging. It has an especially good protective and regulating effect on the eyes of people who face computers for a long time.

By learning how to make purple sweet potato flour, you can make it yourself at home. This not only ensures the natural taste of the purple sweet potato flour, but also does not add any flavors or preservatives, thus ensuring the safety and hygiene of the food. Moreover, eating purple sweet potato flour regularly has many benefits to the body, so this is a skill that is worth learning.