Miracle fruit, also known as Synsepalum dulcificum, is a small red berry that originates from West Africa. It is famous for its unique property of altering the perception of taste. When the flesh of the miracle fruit is consumed, it temporarily affects the taste buds and makes sour and acidic foods taste sweet.

The active ingredient in miracle fruit is a protein called miraculin. When miraculin comes into contact with the taste buds, it binds to the sweetness receptors and activates them, causing sour or acidic foods to taste sweet. This effect usually lasts for about 30 minutes to 2 hours, depending on the individual.

The use of miracle fruit has gained popularity as a novelty and for enhancing the taste of certain foods. It is often used in "flavor-tripping parties" where participants consume sour or bitter foods, such as lemons or vinegar, after eating miracle fruit to experience the sweet taste.

It's important to note that while miracle fruit can temporarily change the perception of taste, it does not actually alter the chemical composition or nutritional value of the food being consumed. It simply modifies the taste experience.

Miracle fruit is generally considered safe for consumption, but it's always a good idea to consult with a healthcare professional before trying any new food or supplement, especially if you have any underlying health conditions or are taking medications.