2. Miracle Fruit
In West Africa people eat different fruits from those you are used to. There they have a small, red type of species resembling a berry with one seed inside. They call it a ‘miracle fruit’ since it makes sour food taste sweet! The plant contains miraculin, the ingredient that does such an unusual trick. Miraculin blocks the sour receptors in your mouth and activates the sweet ones. The effect may last up to half an hour. The plant grows in tropical forests and is very sweet. It is widely used by doctors to bring back the appetite of their patients. Although the fruit is sweet, it is very low in calories.