This product is the fruit ear of Prunella (Prunella vulgaris L.), a perennial herbaceous plant of the Lamiaceae family. It is produced in all parts of my country, mainly in Jiangsu, Zhejiang, Anhui, Henan and other places. Harvest when the ears are half withered in summer and dry them in the sun.

[Property]

bitter and acrid, cold. act on liver and gallbladder channels.

[Efficacy]

clearing liver heat, dispersing stagnation.

[Indications]

1. For red eye swelling and pain, headache vertigo. This product is bitter and cold, and has the function of clearing liver fire, subduing swelling to relieve pain, and clearing liver fire, causing the yin and blood to rise, so it has the effects of nourishing blood and improving vision. Used for up-flaming of liver fire, red eye swelling and pain, headache vertigo, often used with Chrysanthemum Flower, Cassia Seed; also used for liver yin deficiency, Eyeball pain, especially at night, is often used synonymously with Chinese Angelica and Barbary Wolfberry Fruit.
2. For scrofula galls. This product is pungent to dissipate stagnation, bitter to relieve heat, mainly enters the liver meridian, and has a good effect of clearing the liver and dispersing stagnation. Used for liver depression to reduce fire, phlegm-fire condenses and forms knots in the neck, causing scrofula, galls and other diseases. To treat scrofula, it is often used together with Paniculate Bolbostemma, Scrophularia Root, and oyster shell; to treat galls, it is often used with Sea Clam Shell , kelp, seaweed and other combinations of medicinals.
3. In addition, this product has the effect of clearing liver fire and is commonly used in modern times for patients with hypertension, liver heat, and yang hyperactivity. It has the effect of clearing the liver and lowering blood pressure.

[Documentation]

1. Benjing: "Master Hanre, scrofula, rat fistula, head sore, break disease, disperse gall and qi, Swelling of the feet fixed arthralgia."
2. Bencao Yanyi Addendum: "Nourishing the blood."
3. Bencao Gangmu: "Lou Quan-shan says: Prunella can be used to treat eyeball pain, which is very effective at night. If it is severe at night, it will be miraculous; or you can use bitter and cold medicine to treat eyeball pain, which is also miraculous. Cover. The eyeball is connected to the eye connector, and belongs to the meridian of Jueyin. If the cold medicine is used at night, it will be severe, because Xia Ku is endowed with pure yang energy and nourishes the blood vessels of Jueyin, so it can be treated like this. God uses yang to cure yin."

[Usage and Dosage]

Take it as a decoction, 10-15g, or as a paste.

[Precaution]

Use with caution if spleen-stomach weakness occurs.

[Modern Pharmacology]

The whole plant of this product contains triterpene saponins and coffee bean acids, alkaloids and water-soluble salts.

• The stems, leaves, flower spikes and whole plant of Prunella all have antihypertensive effects. It is not known whether the antihypertensive effect is related to the potassium salt contained and the dilation of blood vessels.
• Prunella extract’s crystalline A (a mixture of oleanolic acid and ursolic acid) and total saponins with A as the main aglycone have antihypertensive activity and antiarrhythmic effects.
• Prunella decoction has varying degrees of inhibitory effects on dysentery bacilli, disease caused by cold bacilli, cholera vibrio, large intestine bacilli, human subcutaneous node bacilli, and staphylococci in vitro.
• decoction can excite uterus and enhance intestinal peristalsis.
• decoction has an inhibitory effect on Ehrlich abdominal retention of water cancer and fleshy tumor 180.