Its petals can be used for dyeing and eating. Rich in vitamins A, C, E and anthocyanins, it can improve immunity, help and promote skin elasticity and collagen production, and has antioxidant effect. Dai people in Thailand and Xishuangbanna often use it to make tea and blue food.
Scope of application:
Butterfly bean curd, madder and isatis root are natural water-soluble plant dyes. Butterfly tofu is purple when soaked in water directly, and blue when added with lemon. It can be used for dyeing rice, tea, cakes and other foods. Moreover, butterfly tofu is rich in anthocyanins, vitamins and other substances, which can improve the nutritional value of food while dyeing it.
Many cold drink shops will produce a variety of creative star series of butterfly tofu products: butterfly tofu milk tea, butterfly tofu milk, butterfly tofu Xueyan, butterfly tofu Sprite and other products. Butterfly tofu has become a "dyeing star" in the beverage industry.
Refer to the above? Baidu encyclopedia-die tofu pudding