for children, delicious purple potato is also very good for the stomach and intestines. It can promote the absorption of the stomach and intestines. Purple potato is a kind of food with rich nutritional value. But some housewives will reflect such a problem. Why is purple potato porridge blue? How to prevent purple potato porridge from changing color?
Anthocyanins in purple potatoes will appear blue when encountering alkaline water. Most of the water in the north is alkaline. Purple potato porridge of this color can be eaten normally. If the color is not good, you can add a little white vinegar and lemon juice to neutralize it. A small amount of it will not affect the taste, and the color will become normal.
1. Purple potato porridge will turn blue-green because it contains rich anthocyanins.
2. Anthocyanin, a natural pigment, is purple in neutral environment, purple in acid environment and blue in alkaline environment. Generally, purple potato porridge and other porridge can easily turn blue or even green due to water or other reasons. Just add a little acid liquid like white vinegar or lemon juice to turn purple.
Purple potato porridge has a high nutritional value, so how do we make purple potato porridge at home? Now let's take a look at how to make purple potato porridge:
1. Peel the purple potato first, and then cut it into small squares, which is easier to cook.
2. Wash the rice and soak it in water for more than half an hour.
3. Put the cut purple sweet potato and the soaked rice into the casserole, then add enough water, and turn to a small heat after boiling.
4. Simmer until the purple potatoes are boiled and the congee is sticky. Stir it often in the middle of the process, because porridge in casserole is easy to sink or scorch.
Nutritional value of purple potato porridge:
1. It can regulate the gastrointestinal tract and promote the digestion of the gastrointestinal tract.
2. It can also beautify and beautify the face, which is beneficial to the health of the body.
3. It is beneficial to 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 diseases.