Dryopteris crassirhizoma (Guanzhong)

Distribution:
Heilongjiang, Jilin, Liaoning (Dryopteris), Hunan, Yunnan, Guizhou (Woodwardia), Henan, Gansu, Shandong, Jiangsu, Zhejiang, Sichuan (Osmunda), hebei, Henan, Shaanxi, and northeast China (Matteuccia)

Properties (characteristics):
Bitter, slightly cold, slightly toxic.

Channels (meridians) entered:
Liver, spleen, stomach.

Medical functions:
It is antibacterial, antiviral, anthelmintic, contraction of smooth muscle of the uterus, stop bleeding, governance toxic heat, or food poisoning, treatment of epidemic cerebrospinal meningitis and encephalitis B and other warm disease, anti-tumor, anti-early pregnancy, abortion, anti-leukemiarole and possesess estrogen-like effects.

A

ctions & Indications:
For abdominal pain due to parasites, boils, bleeding, massive or incessant extramenstral vaginal bleeding, Virus Hepatitis.

Chemical ingredients:

demethoxymatteucinol
matteucinol 
pinosylvin 
matteuorien 
pinosylvin 3-O-β-D-glucopyranoside
matteuorienate A 
selenium 
flavaspidicacid 
 
Dosage:
4.5 to 9 g

Cautions:
Not to use during pregnancies or in patients with recent history of ulcers.