Both Fructus Aurantii Immaturus and Fructus Aurantii Immaturus are from Rutaceae. Fructus Aurantii Immaturus is an immature fruit, which has the effects of resolving phlegm, removing blood stasis and relieving discomfort such as food accumulation. However, Fructus Aurantii Immaturus has a better effect of promoting qi circulation, which is called qi-breaking medicine in clinic. But the bitter orange is warm and weak. Clinically, Fructus Aurantii Immaturus is used for qi in the chest, and Fructus Aurantii Immaturus is used for qi under the chest. Use Fructus Aurantii for the weak and Fructus Aurantii Immaturus for the good. Digestion with Fructus Aurantii Immaturus, and qi circulation with Fructus Aurantii Immaturus. First, the efficacy difference between Fructus Aurantii and Fructus Aurantii Immaturus

1. Fructus Aurantii Immature is the dried immature fruit of Fructus Aurantii Immaturus and its cultivated varieties, and Fructus Aurantii Immaturus is the dried young fruit of Fructus Aurantii Immaturus and its cultivated varieties or sweet orange.

2. Fructus Aurantii has the effects of regulating qi, relieving depression and relieving bloating. Fructus Aurantii has relatively weak qi-circulating ability and light taste. Fructus Aurantii can regulate the stomach and intestines of human body in two directions. Fructus Aurantii Immaturus tastes cold. Fructus Aurantii Immaturus has a strong ability to promote qi circulation, and has the effects of breaking qi and resolving food stagnation, resolving phlegm and resolving hard mass.

3. The usage of Fructus Aurantii and Fructus Aurantii Immaturus is also different. Fructus Aurantii is mainly used to regulate the qi in the chest. It has a good relief effect on clinical symptoms such as qi stagnation in chest and hypochondrium, fullness and pain. And Fructus Aurantii Immaturus is mainly used to regulate qi under the chest. It has a good therapeutic effect on serious diseases such as stagnation, fullness and pain, diarrhea, constipation, phlegm and stagnation of qi.

4. The applicable population is also different. Fructus Aurantii Immaturus has strong medicinal properties and is suitable for seriously ill patients, people with strong physique and young people. Fructus Aurantii has weak medicinal properties and is suitable for the infirm and the elderly.

Second, how to distinguish between Fructus Aurantii and Fructus Aurantii Immaturus

Fructus Aurantii is a mature fruit, which is distributed in the Yangtze River valley of China and southern provinces. Vietnam, Myanmar, India and Japan are also distributed. It is hemispherical with a diameter of 3 ~ 5 cm. Exocarp brown to brown, with granular protrusions.

Fructus Aurantii Immaturus is a dry young fruit, which is usually harvested from May to June. It is hemispherical, a few are spherical, and the diameter is generally 0.5 ~ 2.5 cm. Exocarp is dark green or dark brown-green, with granular protrusions and wrinkles, and obvious style remnants or fruit stalk marks.