Fructus Aurantii Immaturus is the dried young fruit of Rutaceae plant Citrus aurantium and its cultivated variety or sweet orange. Fructus Aurantii Immaturus is slightly cold, bitter, pungent and sour. Spleen and stomach meridian. The main components of Fructus Aurantii Immaturus are volatile oil, alkaloids, flavonoids, coumarins and limonin.
Volatile oil, alkaloids and flavonoids are the main components of immature bitter orange. People's Republic of China (PRC) Pharmacopoeia (20 15 edition) stipulates that the content of synephrine in dried Fructus Aurantii Immaturus should not be less than 0.30%.
Key points of purchasing immature bitter orange
Fructus Aurantii Immaturus is mainly produced in the southern part of the southern slope of Qinling Mountains. The shape of Fructus Aurantii Immaturus is hemispherical, and a few are spherical. Exocarp is dark green or dark brown-green, with granular protrusions and wrinkles, and obvious style remnants or fruit stalk marks. In the profile, the pericarp is slightly raised, yellow-white or yellow-brown, with 1 ~ 2 oil discharge chamber at the edge and brown capsule. Hard texture. It smells delicious and tastes bitter and slightly sour.
Raw Fructus Aurantii Immaturus and fried Fructus Aurantii Immaturus with bran are both dry young fruits of Rutaceae plant sour orange and its cultivated varieties or sweet orange, and fried Fructus Aurantii Immaturus with bran is a processed product of raw Fructus Aurantii Immaturus. There are similarities and differences between these two functions. Store in a cool and dry place, and pay attention to moth prevention.
function
1, regulating the function of gastrointestinal smooth muscle in two directions. It has dual effects on gastrointestinal smooth muscle, which can not only excite gastrointestinal tract, enhance peristalsis, but also reduce the tension of intestinal smooth muscle and relieve spasm. Its decoction can excite gastric smooth muscle, inhibit intestinal smooth muscle, obviously reduce its tension and inhibit its contraction in vitro. This product has inhibitory effect on intestinal smooth muscle at high concentration, temporarily inhibits intestinal smooth muscle at low concentration, and then has exciting effect.
2. Boosters and cardiotonic agents. Intravenous injection of its injection can contract peripheral blood vessels, has obvious pressor effect, and can increase systolic and diastolic blood pressure. Its pressure-increasing effect is rapid and lasts for a long time, and there is no rapid tolerance phenomenon. Its effective components are p-Hydroxyphyllin and N- methylttyramine. It can directly excite α-receptors, contract blood vessels, raise blood pressure and strengthen the heart.
3. Fructus Aurantii Immaturus can be soaked in water, made into tea, or made into health medicated diet, such as Fructus Aurantii Immaturus rice porridge, fried Fructus Aurantii Immaturus radish, Fructus Aurantii Immaturus syrup, Fructus Aurantii Immaturus soup, etc. The function of Fructus Aurantii Immaturus porridge is to promote qi circulation, eliminate phlegm, dissipate stagnation and reduce swelling. It is suitable for spleen and stomach qi stagnation, abdominal distension, dyspepsia and fullness under the heart. The effect of braised Fructus Aurantii Immaturus radish in oil is to moisten the intestines and relieve constipation, which is suitable for people with loss of appetite and constipation.