Lemon is one of the most medicinal fruits in the world, which is native to Southeast Asia and is now mainly produced in the United States, Italy, Spain, and Greece. Mainly for juicing, sometimes also used for cooking seasoning, but basically not used as fresh food. Lemon was brought to Europe by the Arabs, not recorded in ancient Greece and ancient Rome. It was planted in Genoa, Italy, and appeared in the Azores in 1494. It is rich in vitamin C, citric acid, malic acid, high potassium and low sodium, which is very beneficial to human body. Vitamin C maintains the production of various human tissue and cellular interstima and maintains their normal physiology. It is a buster of Scurvy.

Types of lemon:

 1. Eureka(Ulick), also known as oil force, oil plus, the fruit top has obvious nipple tip, rough peel, longitudinal edges, thick skin, very sour pulp.

 2. Lisbon(Lisbon), the fruit top has a long nipple convex tip and often slightly inclined to one side, the skin is smooth, the fruit base also has a more obvious neck, the flesh is very sour.

 3. Meyer(Beijing lemon), also known as fragrant lemon and Meihua lemon, is a variety bred in Fengtai, Beijing, with strong cold resistance, thin skin and very smooth peel, short and convex tip, strong pulp aroma, but low acid content. It is still known as coarse lemon C. jambhiri Lush., which is native to India, and has individual citrus farms in Guangdong and Sichuan.

 4. The Swingle school regarded it as a hybrid of lemon and broad-skinned orange species, with a lemon-yellow, very rough peel, short sarcoma-like protuberance on the top, large and empty heart and less seeds. Fast growth, drought-resistant, nematode resistance. Foreign is used as chopping material.

The nutritional value of lemon is extremely high, it not only contains rich in vitamins (such as vitamin C, E, A, B1, B2), as well as many human essential trace elements Ca, P, Fe, Zn, Mg, etc., but also contains the unique lemon oil, citric acid. Lemon also has the following effects:

 1. Lemon contains sugar, calcium, phosphorus, iron, vitamin B1, B2, C and other nutrients. In addition, there are rich in citric acid and flavonoids, volatile oil, orange glucoside, etc.

 2. According to Chinese traditional Chinese medicine, lemon is warm, bitter, non-toxic, and stops thirst, eliminates heat, stagnation, stomach improvement, and pain relief, which is suitable for bloated and fat girls.

 3. Lemon can also remove phlegm and do better than orange and orange. The lemon juice to warm water and salt, drink it can be the throat accumulated thick phlegm cough out smoothly, very clever. When the beginning of the cold, might as well use lemon and honey to drink, can relieve sore throat, reduce dry throat discomfort.

 4. Drink a cup of lemonade every morning before entering any food, which can not only strengthen gastrointestinal peristalsis, treat constipation, discharge toxins in the body, and achieve the effect of beauty, but also remove oral odor and eliminate bad breath.

 5. The most direct effect of lemon slices soaking water is beauty. Drink a cup of hot lime water every morning, and the amount of lemon juice is half a lemon. This makes the eyes more divine and ruddy skin.