This product is the mature fruit of the leguminous annual herb Psoralea (Psoralea corylifolia L.). Mainly produced in Henan, Sichuan, Shaanxi and other places. Harvest when the fruits are ripe in autumn. Use raw or broiled in salt water.

[Property]

Acrid and bitter, warm. act on kidney and spleen channels.

[Efficacy]

Tonifying kidney and yang, securing essence and reducing urination, warming spleen and stopping diarrhea, improving qi reception and relieving dyspnea.

[Indications]

1. It is used for kidney yang deficiency, life gate fire failure, waist and knee cold pain, impotence, seminal emission, frequent urination, etc. It has the effects of warming and tonifying life gate, tonifying kidney and strengthening waist, tonifying yang, solidifying essence and reducing urination. To treat cold pain in the waist and knees, it is often used with Eucommia Bark and walnut kernel meat, namely Young Maid Pill; to treat impotence caused by Xiayuan Deficiency, often paired with Dodder Seed, Aquilaria, walnut kernel meat, such as Psoralea pills (quoted from Bencao Gangmu); to treat seminal emission, stir-fry it with green salt and take it at the end (Sanyin Fang); to treat kidney qi deficiency, coldness and excessive urination, " "Wei's Family Tibetan Prescription" divide it into pills in equal parts with fennel fruit.
2. For spleen-kidney yang deficiency diarrhea. It can replenish kidney yang to warm the spleen and stop diarrhea. Often used with Schisandra Fruit, Nutmeg, Evodia Fruit, such as "Internal Medicine Abstract" Four Miracle Pill.
3. Defection-type dyspnea for failure of kidney to receive qi. It can replenish kidney yang and improve qi reception and relieving dyspnea. Often used with Ginseng, Cassia Bark, Aquilaria, etc.
4. In addition, it can also treat vitiligo. It can be ground into powder and soaked in wine to make 20% to 30% tincture, and then applied locally.

[Documentation]

1. Yaoxing Lun "For men with waist pain, cold knees, and wet cysts, it can obstinate impediment of coldness, relieve urination, and cause coldness in the abdomen."
2. Kaibao Bencao "Treat five kinds of strain seven damages, wind deficiency and cold, bone marrow damage, kidney cold semen flow, and early abortion of women's blood."

[Usage and Dosage]

Decoct and take, 6~15g. Appropriate amount for external use.

[Modern Pharmacology]

This product contains fatty oil, volatile oil, resin and Psoralea, iso-Psoralea, Psoralea A, Psoralea B, etc.

1. Psoralea can expand the coronary stirred pulse, excite the heart, and increase heart power;
2. can contract the uterus, shorten the bleeding time, and reduce the amount of bleeding.
3. It has a photosensitizing effect. When taken internally or applied externally to the skin, it can cause local skin pigmentation after exposure to sunlight or ultraviolet rays.
4. It also has anti-liver tumor, anti-aging, antibacterial, killing worms and estrogen-like effects.