Miracle fruit has a unique glyco protein that inhibits the tongue’s taste buds perception of sour flavors for half-an-hour up to a couple hours. They can make lemon taste like lemon candy and can be used to enhance the flavor of grapefruit, strawberries, lychees, and other acidic fruits. The fruit also acts as an appetite stimulant for chemotherapy patients. Effect of the glyco protein masks the metallic taste that foods tend to get after chemo treatment which helps make food palatable. Fruits year round.