Tangerine is a fruit of the genus citrus in the rutaceae family. The outer skin of the fruit is thick and contains the pulp, which is composed of juice bubbles and seeds. Orange is colorful, sweet and sour, it is a common delicious fruit in autumn and winter.

　　Nutritional value of tangerine

　　Citrus fruits are rich in nutrition, good in color and aroma, which can be fresh and processed into various processed products mainly made of fruit juice. Citrus production ranks first among 100 fruits, citrus juice accounts for 3/4 of the fruit juice, widely favored by consumers. According to the analysis of the central institutes of health, citrus per 100 grams of edible parts, contains riboflavin 0.05 mg, niacin 0.3 mg, ascorbic acid (vitamin C)16 mg, protein 0.9 g, fat 0.1 g, sugar 12 g, crude fiber 0.2 g, inorganic salt 0.4 g, calcium 26 mg, phosphorus 15 mg, iron 0.2 mg, calories 221.9 joules. Orange is second only to apricot in carotene (provitamin A) and higher than any other fruit. Citrus also contains many vitamins, in addition, also contains magnesium, sulfur, sodium, chlorine and silicon and other elements.

　　The efficacy and function of tangerine

　　Tangerine body is treasure, its flesh, skin, core, collateral can be used as medicine. The peel of the orange after drying called "tangerine peel" (because of medicine to the effect of the old good, named tangerine peel). The white mesh silk collaterals on the orange flesh are called "orange collaterals", containing a certain amount of vitamin P, which has the effect of clearing collaterals, resolving phlegm, regulating qi and eliminating stagnation. Taste of orange nucleus sex is bitter, avirulent, have the action of regulating qi and killing pain, can use cure hernia, lumbago wait for disease. Even orange root, orange leaf can also be used as medicine, with liver, spleen, and stomach and other different functions. Citrus pulp is also an important raw material in light industry, which can be processed into canning, preserves, jam, fruit cake, fruit tone, fructose, fruit juice, fruit wine and other drinks. During processing, pectin, citric acid, hesperidin and essential oil can be extracted, and orange peel can be used as raw materials to extract vitamin A, vitamin P and vitamin C. Orange peel in daily life is also a lot of clever use, clever use, it can be beauty skin care, clean China with rust, deodorization, but also when fertilizer.