Of course. The water for boiling soup is generally tap water, and tap water is purified alkaline water. When purple sweet potato is boiled with alkali, anthocyanins will precipitate and the soup will turn blue. Anthocyanin is a kind of substance that can resist free radicals, can help anti-aging, and it is good for the body to drink.

What are the benefits of eating purple potato soup: lose weight: purple potato has low calories, low fat and cholesterol content, and can also help sugar to be converted into fat storage in the body. Therefore, eating purple potato soup every day helps to lose weight.

Prevention and treatment of constipation: Purple sweet potato contains a lot of cellulose, which can help gastrointestinal peristalsis, clean the intestines and ensure smooth defecation. Therefore, drinking purple potato soup often can help expel toxins from the body and prevent other intestinal diseases.

Enhance immunity: Purple sweet potato contains a lot of mucin, which can help prevent the occurrence of collagen diseases. Vitamins and minerals in purple sweet potato can regulate body functions and improve immunity. So drinking purple potato soup often is very good for your health.