The root tuber of Stephania dielsiana, Y.C. Wu, family Menispermaceae.
The mot tuber appearing as irregular masses, 20-30 cm in size. Surface
brown, coarse, with spotted rootlet scars. Section whitish and farinaceous.
Bitter in taste, cold in nature, slightly toxic and attributive to lung
and stomach channels.
1. Remove wind-dampness and relieve pain: For arthralgia of heat type
with marked redness, swelling and pain ofjoints.
2. Promote blood circulation to remove blood stasis, clear away toxic
material and relieve swelling: For carbuncle, snake bite and trauma.
3. Relax the muscles: As a relaxant for abdominal operation.
1. Its total alkaloid and iodomethyl quatemary ammonium of sinoacutine
inhibit the neuromuscular system and relax the striated muscles.
2. Its component stephanine inhibits the growth of sarcoma180 and Werck's
carcinoma256 in rats.
Injection (1 ml containing 15 mg of total alkaloid): 0.15-0.4 mi/kg added
in 5% glucose 20 ml IV as a muscular relaxant for abdominal operation.