Radix Angelicae Pubescentis
Source
Root of Angelica pubescens Maxim. f. biserrata Shan. et Yuan, family Umbelliferae.
Characteristics
Root thick and fleshy, axial root well-developed, terete, with several
branch
roots in the lower part, 10-30 cm long; root top enlarged, 1-3 cm in diameter,
annularly ringed, with depressed stem scars and remnant leaf bases at
the top. Prepared by crosscutting. Section showing oily spots in the cortex,
xylem even, vessels not obvious, cambium ring brown. Odour heavily fragrant,
causing numbness of tongue when tasted. Bitter and acrid in taste, warm
in nature, and attributive to kidney and ufinary bladder channels.
Indication
1. Expel wind-dampness, relieve arthralgia, and alleviate pain: For arthralgia,
especially that of wind-cold-dampness type and in the lower half of the
body.
2. Expel cold and promote sweating to expel the exogenous evils from 
the
body surface: For common cold of wind-cold type with severe chilliness
and lower fever, or with dampness-syndrorne and arthralgia. In addition,
external use for toothache.
Pharmacological
Action
1. Sedative, analgesic and antiphlogistic.
2. Bergapten, an active component, is an ultraviolet absorbent and used
for vitiligo.
3. Coumarin is antimycotic.
Administration
Decoction:
3-9g. Tablet (containing coumarin): 3-6mg/kg for psoriasis.