Children eat red pitaya urine red normal?

Children eat red pitaya, showing red urine, is a normal phenomenon. Red pitaya, contains a substance called betanin, this substance in the human digestive system, not easily degraded by the human body, so it will pass through the human urine or human feces excreted, because of its red color, urine and feces will be red, not a problem of body function. In addition to red pitaya, there are some foods such as purple potato, red amaranth and other foods that can also cause urine and stool discoloration. To show these symptoms, you can drink more water, increase the number of times you go to the toilet, and relieve urine and stool redness.