A small evergreen tree belonging to the citrus genus of the Rutaceae family, native to southeastern Asia, especially northern India and Myanmar, and is one of the most widely grown citrus fruits in the world. The tree is about 3 to 6 meters tall, with oval leaves, short petioles, thick leaves, and smooth and shiny surfaces. The flowers are pure white with a rich aroma. The fruit is oval or ovate, with both ends pointed, usually yellow and shiny, with thick pericarp and a special aroma. Rich in vitamin C, the content of vitamin C in every 100 grams of lemon can reach 22 mg, so it is often used to prevent and treat scurvy.

Lemon has functions such as generating saliva, quenching thirst, and relieving heat. Modern medicine believes that lemon can prevent cardiovascular disease; In addition, lemon also has strong antioxidant effects, which are very effective in delaying aging and inhibiting pigmentation. It has therapeutic effects on bronchitis, rhinitis, urinary tract infections, etc. The citric acid in lemon is an important raw material for making lemon balm, moisturizer, and shampoo; Citric acid can also be made into lemon soda; In addition, it is also used as a cooking seasoning, which is nutritious and has therapeutic value. It is often processed into beverages, juices, cakes, jams, preserves, canned foods, and other edible products.

Lemon has functions such as generating saliva, quenching thirst, and relieving heat. Modern medicine believes that lemon can prevent cardiovascular disease; In addition, lemon also has strong antioxidant effects, which are very effective in delaying aging and inhibiting pigmentation. It has therapeutic effects on bronchitis, rhinitis, urinary tract infections, etc. The citric acid in lemon is an important raw material for making lemon balm, moisturizer, and shampoo; Citric acid can also be made into lemon soda; In addition, it is also used as a cooking seasoning, which is nutritious and has therapeutic value. It is often processed into beverages, juices, cakes, jams, preserves, canned foods, and other edible products.

Lemon Rutaceae is a woody plant belonging to the citrus genus, with few or almost no thorns on its branches, and its tender leaves and flower buds are dark purple red; Leaves are oval or elliptical in shape; The petals are light purple red on the outside and white on the inside; The fruit is oval or ovoid in shape, with a thick skin and a lemon yellow color; The flowering period is from April to May; The fruiting period is from September to November. Lemons are native to southeastern and southern Asia, and are cultivated in China south of the Yangtze River. Currently, they are mostly grown in tropical and subtropical regions. Lemon prefers warmth and is not cold resistant. It does not have strict requirements for soil, but it is best to use slightly acidic soil with deep and loose soil layers, rich organic matter, strong moisture and fertility retention, good drainage, and low groundwater level.

The Compendium of Materia Medica records that lemon has the functions of promoting body fluid, quenching thirst, and dispelling heat. Modern medicine believes that lemon can prevent cardiovascular disease; in addition, lemon also has a strong antioxidant effect, which is very effective in delaying aging and inhibiting pigmentation. It has therapeutic effects on bronchitis, rhinitis, and urinary infections. Citric acid in lemon is an important raw material for making lemon balm, moisturizer and shampoo; citric acid can also be made into lemon soda; in addition, it is also a cooking seasoning, rich in nutrition, has therapeutic value, and is mostly processed into beverages, fruit juice, Cake, jam, candied fruit, canned food, etc.