Root of Pulsatdla chinensis (Bunge) Regel, family Ranunculaceae.
subterete or conical, slightly twisted, 6-20 cm long, 0.5-2.0 cm in diameter;
root stock enlarged, with withered concave scars and relic petiole, covered
by white hairs. Rigid and fragile in texture. Bitter in taste, cold in
nature, and attributive to large intestine channel.
Clear away heat and toxic material, cool the blood: For dysentery, especially
those of intense heat type. Recently, generally used for acute bacillary
or aniebic dysentery, usually used together with RhtzQma Coptidis, Cortex
Phellodendri and Cortex Fraxini (Decoction of Pulsatillae).
It's bacteriostatic effect is synergetic to that of streptomycin. Proanemonin
and anemonin are the two bacteriostatic components.
2. Inhibitory on the grbwth of amoeba completely with 1:40 decoction in
3. Sedative and analgesic.
4. Okinalein and okinalin, two other active components, possess similar
effect as digitalis.