This product is the rhizome of sedge (Cyperus rotundus L.), a perennial herbaceous plant of the Cyperaceae family. It is produced in most parts of the country, mainly in Guangdong, Henan, Sichuan, Zhejiang, Shandong and other places. Excavate in autumn, burn to remove hair and beard, and dry in the sun. Use raw or roasted in vinegar. Crush when used.

[Property]

acrid, slightly bitter and slightly sweet, neutral. Act on liver, spleen and triple energizer channels.

[Efficacy]

soothing liver and regulating qi, regulating menstruation and relieving pain.

[Indications]

1. For qi stagnation hypochondriac pain, abdominal pain. This product is pungent to relieve pain, bitter to relieve pain, and slightly sweet to relieve pain. It is an important medicine for soothing liver and relieving depression, and moving qi to relieve pain. To treat distending pain in liver qi depression, it is often used synonymously with Bupleurum, Sichuan Lovage Rhizome, Submature Bitter Orange, such as Bupleurum Liver-Soothing Powder. To treat congealing cold and stagnation, liver qi invading stomach and epigastric pain, it can be used with Lesser Galangal Rhizome and Lesser Galangal and Cyperus Pill. To treat cold abdominal colic abdominal pain, it is often used synonymously with Fennel, Lindera, and Evodia Fruit.
2. Used for liver depression, menstrual irregularities, dysmenorrheal, and breast distending pain. This product has the functions of soothing liver and relieving depression, regulating qi and resolving stuffiness, regulating menstruation and relieving pain. It is used to treat menstrual irregularities and dysmenorrheal, and is often used with Bupleurum, Sichuan Lovage Rhizome, and Chinese Angelica. To treat breast distending pain, it is often used with Bupleurum, green tangerine peel, Trichosanthis Fruit peel, etc.

[Documentation]

1. Bencao Gangmu: "Triple energizer, relieve six stagnations, eliminate food accumulation, phlegm-fluid retention stuffiness and fullness, elbow swelling, abdominal distension and fullness, athlete's foot, stop the heart and stomach. , limbs, head, teeth and ear pain,... women have metrorrhagia and metrostaxis leukorrhea, irregular menstruation, and various diseases before and after pregnancy." 》

[Usage and Dosage]

Decoct and take, 6~12g. Vinegar increases the analgesic effect of burning.

[Modern Pharmacology]

This product contains volatile oil. The main components in the oil are β-piene, Cyperus cyperene, α-Cyperus ketone, β-Cyperus ketone, α-cyperol, and β-cyperol. In addition, it also contains alkaloids, flavonoids and triterpenes. 5% Cyperus extract has an inhibitory effect on isolated uterus in experimental animals and can reduce its contractility and tension. Its volatile oil has grade I estrogen-like effects. Its decoctioned with water agent has the effect of reducing intestinal tone and antagonizing acetylcholine. Cyperus oil has inhibitory effects on Staphylococcus aureus. Its extract has inhibitory effects on certain fungi. Its aqueous solution of total alkaloids, glycosides, flavonoids and phenolic compounds has cardiotonic and blood pressure lowering effects.