Psoralea Fruit (Buguzhi)

Psoralea Fruit (Buguzhi)

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.
Dosage: 5-10 g
Cautions: This herb is contraindicated in cases with deficiency of yin with excessive fire as well as constipation.