Cortex Mori Radicis
Source
The root epidermis of Morus alba L, family Moraceae.
Characteristics
Plank-like
or twisted quills, unequaI in size. Outer surface yellow-white, or with
remained reddish brown cork patches; inner surface yellowish brown, with
fme longitudinal striae. Fracture surface coarsely fibrous, with lamellate
fibers; powder spreading out when broken. Sweet in taste, cold in nature,
and attributive to lung channel.
Indication
1. Purge lung-fire, eliminate phlegm and relieve dyspnea: For lung-heat
syndrome with productive cough and dyspnea, usually used together with
cbrtex Lycil Radicis, Radix Glycyrrhizae and Fructus Oryzae Sativae (Powder
for Expelling Lung-Heat); for fluid-retention syndrome involving the lung
manifested as distension of the 
chest,
cough with thin sputum, dyspnea and edema of face, used together with
Herba Ephedrae, Semen Armeniacae A marum and Herba Asari.
2. Promote diuresis and reduce edema: For edema and dysuria.
3. Lower blood pressure: For hypertension.
Pharmacological
Action
Its extract is hypotensive, cardio-inhibitory and vasoconstrictive, and
excites the intestines and uterus in experimental animals.
Administration Decoction: 9-18g.