What is the efficacy and role of lemon fruit
Lemon is a small evergreen tree of the genus Citrus in the family Rutaceae, native to Southeast Asia, now mainly from the United States, Italy, Spain and Greece, mainly for juice, sometimes also used as a cooking seasoning, but basically not used as fresh food, because too acidic. Lemon is one of the most medicinal fruits in the world, rich in vitamin C, sugar, calcium, phosphorus, iron, vitamin B1, etc. It is effective in dispelling summer heat, relieving phlegm and cough, and strengthening the spleen and stomach. Because it is rich in vitamin C, it once solved the fatal problem of long-distance sailing for Westerners - scurvy, because the British Navy used to supplement vitamin C.