This magical plant is the miracle fruit native to tropical Africa. It contains a flavor-altering protease (also known as the miracle fruit). Although it cannot really change the taste of food, it can change the taste of food. Human taste, so after eating miracle fruit, people feel that any sour food is sweet. When miraculous fruit is eaten, the miraculous nutrient will be distributed on the taste cell memlbranes of the tongue. In a neutral pH environment, the sweet receptor protein on the miraculous fruit will It does not bind to the sweet receptor site, so miracle fruit does not have a sweet taste. After eating acidic food, due to the presence of (acid), the structure of the taste cell membrane on the tongue will change. At this time, the sweetness receptor protein will bind to the sweetness receptor site, so sweetness will be felt, and the mysterious fruit hormone will tighten It tightly binds to the surface of the tongue and lasts for more than 2 hours. Within 1 to 2 hours after eating the miracle fruit, all acidic foods eaten will feel extremely sweet. Therefore, the taste-changing function of miracle fruit is a natural, physical and safe change, suitable for daily food consumption.