Purple sweet potato is rich in anthocyanin 2 1 13, which makes purple sweet potato appear very bright purple. When the purple potato is cooked into porridge, the concentration of anthocyanin will be diluted by water, so it will turn blue-green. If you want to cook porridge with anthocyanin 526 1 as you see on the street, you need more purple sweet potatoes and less water to make porridge thick.

1, purple sweet potato is rich in protein, 18 kinds of amino acids easily digested and absorbed by human body, 4 1028 kinds of vitamins such as vitamin C, B, 10 kinds of natural mineral elements such as phosphorus and iron, and it has high edible value. In addition to cooking directly, you can also cook it into purple potato porridge.

2. Purple sweet potato is rich in protein, starch, pectin 1653, cellulose, amino acids, vitamins and various minerals. Purple sweet potato is rich in nutrition and has special health care function, in which protein amino acids are easily digested and absorbed by human body. Vitamin A is rich in vitamin A, which can improve vision and improve skin mucosal epithelial cells. Vitamin C can make collagen synthesize normally and prevent scurvy. Anthocyanin is a natural powerful free radical scavenger.