Root of Ephedra sinica Stapf and E. intermedia Schrenk et C.A. Mey., family
Root terete, slightly curved, 825 cm long, 0.5-1.5 cm in diameter. Cortex
grey-brown, coarse, easily separated, with longitudinal wrinkles and fibrous
root scars; apex sometimes with remained stem base. Cross section showing
radial marks. Sweet in taste, mild in nature, and attributive to heart
and lung channels.
Arrest sweating: For spontaneous perspiration, usually used together
with Radix Astragali seu Hedysari and Radix Angelicae Sinensis; for night
sweat, usually used together with Os Draconi. Concha Ostreae and Radix
Rehmanniae; for postpartum sweating, prepared as powder with Concha Ostrae
for extemal use.
1. Its extract and its components ephedradme A, B, C and ephedrannin A
exert a hypotensive effect and cause peripheral vasodilatation.
2. Inducing muscular contraction of intestines and uterus.
Extemal use: Appropriate amount.