Miracle fruit has a unique glyco protein that inhibits taste buds’ perception of sour taste for half an hour up to a couple of 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. The plants are best grown in containers, and they can remain in a seven gallon pot indefinitely. Citrus.