1 Why is the purple potato porridge blue

1, purple potato porridge will become blue-green, because the purple potato is rich in anthocyanins.

2, anthocyanin this natural pigment in the neutral environment is purple, acidic environment is purple-red, alkaline environment is blue. Generally cooked out of the purple potato porridge and so on due to water or other reasons is easy to become blue or even with green. You only need to add a little white vinegar or lemon juice or other acidic liquid can be changed back to purple.

2 How to cook purple potato porridge

1, first of all, the purple potatoes peeled, and then cut into small cubes, so it is easier to cook.

2, rice washed, soaked in water for more than half an hour.

3, cut the purple potatoes and soaked rice into a casserole, and then add enough water, boil and then turn on low heat.

4, low-fire cooking until the purple potatoes melt, porridge thick can be. Midway to often stir a little, because the casserole cooking porridge is easy to sink to the bottom or burnt off.

3 Effects and functions of purple potato porridge

1, can regulate the stomach and intestines, and promote the digestive role of the human intestines and stomach.

2, but also beauty, good for health.

3, is conducive to inhibit the synthesis of DNA in cancer cells and the division and growth of cancer cells, to prevent stomach cancer, liver cancer and other diseases.