Pharmaceutical Name: |
Fructus Psoraleae |
Botanical Name: |
Psoralea Corylifolia L. |
Common Name: |
Psoralea Fruit |
Source of Earliest Record: |
Yaoxing Lun |
Part Used & Method for Pharmaceutical Preparations: |
The ripe fruit is gathered in autumn, and then it is dried in the sun. |
Properties and Taste: |
Bitter, pungent and very warm |
Meridian: |
Kidney and spleen |
Functions: |
To tonify kidneys and strengthen yang To prevent emissions and nocturnal urination To warm the spleen and stop diarrhea |
Indications and Combinations: |
1. Deficient kidneys manifested as impotence and soreness and weakness of the lower back and knees. *Use with Dadder seed (Tusizi), Cistanche (Roucongrong) and Eucommia bark (Duzhong).
2. Nocturnal urination and emissions due to kidney deficiency. *Use with Bitter cardamom (Yizhiren) and Dioscorea (Shanyao).
3. Diarrhea due to deficiency of yang of the spleen and kidneys. *Use with Evodia fruit (Wuzhuyu), Nutmeg (Roudoukou) and Schisandra fruit (Wuweizi) in the formula Sishen Wan.
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Dosage: |
5-10 g |
Cautions: |
This herb is contraindicated in cases with deficiency of yin with excessive fire as well as constipation. |