Generation of oranges, one back to green orange. It belongs to rutaceae. Because its fruit stays on the tree for the winter, when it blooms and bears new fruit next year, its skin will turn from yellow to green, and two generations of fruits will be born on the same tree, so it is also called Daidai Orange. Flowers are substitute flowers, which can be used to make substitute tea or extract aromatic oil. Generation flowers and immature generation orange young fruits (medicinal name Su Zhike) are used for medicine. Fructus Aurantii, commonly used in traditional Chinese medicine, is an immature fruit of lime produced in Jiangxi.

The taste is sour, bitter and slightly cold.

The orange peel contains volatile oil (such as decanal, nonanal, dodecanal, linalyl acetate, neryl acetate, geranyl acetate, etc.), hesperidin and vitamins B and C. The pericarp of Fructus Aurantii contains volatile oil (D-limonene, citric acid, phellandrene, etc.), pectin, tannin, flavonoids (hesperidin, etc.) and vitamin C.

Pharmacology It is reported that Fructus Aurantii Immaturus and Fructus Aurantii Immaturus have similar effects on intestine and uterus. It is concluded that the decoctions of Fructus Aurantii Immaturus, Fructus Aurantii Immaturus and Fructus Aurantii Lake have similar effects. It mainly inhibits the isolated uterus of mice and excites the isolated uterus of rabbits in vivo or in vitro, but some of them also inhibit it. It has an inhibitory effect on the intestinal tract of the family; It can cause the blood pressure of anesthetized dogs to rise, and it has an exciting effect on toad heart in a small amount and an inhibitory effect in a large amount.

Functions: breaking qi, resolving food stagnation, benefiting diaphragm, broadening chest, resolving phlegm and lowering qi. Substitute flowers are aromatic stomach-invigorating drugs; Fructus Aurantii Immaturus strengthens the stomach and expels qi, and has an invigorating effect on smooth muscle. It is suitable for gastrointestinal atony, uterine prolapse, proctoptosis and other diseases.