Miracle fruit has a unique glyco protein that inhibits taste buds’ perception of sour taste for 1/2 hour and up to two hours. They can make lemons taste like lemon candy. The fruit can be used to enhance the flavor of grapefruit, strawberries, and lychees. The fruit also acts as an appetite stimulant for chemotherapy patients. The effects of the glyco protein masks the metallic taste that food tends to get after chemo treatment.