Japanese thistle (Daji)
Cirsium japonicum DC.
Pharmaceutical Name: Herba seu Radix
Cirsii japonici.
Botanical Name: Cirsium japonicum DC.
Common Name: Japanese thistle.
Source of Earliest Record: Mingyi Bielu.
Part Used & Method for Pharmaceutical
Preparations: The aerial parts of the plant are gathered in summer or
autumn when the thistle is flowering. The root can be dug in late autumn. Both
are dried in the sun and cut into pieces.
Properties & Taste: Sweet, bitter
and cool.
Meridians: Heart and liver.
Functions:
1. To cool blood and stop bleeding; 2. To reduce swelling and resolve
stagnation.
Indications & Combinations:
1. Hemorrhages due to extravasation of blood
by heat manifested as cough with blood, epistaxis, uterine bleeding, and
hematuria. Japanese thistle (Daji) is used with Small thistle (Xiaoji) and
Biota tops (Cebaiye).
2. Boils, carbuncles and swelling. Japanese
thistle (Daji) is used both externally and internally.
Research
shows that it is effective in treating hypertension
and hepatitis.
Dosage:10-15 g , or 30- 60 g fresh herb,
decocted in water for an oral dose. Appropriate quantity for external application.
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