Biserrat angelica root (DU HUO)
Angelica biserrata (Shan et Yuan) Yuan et Shan (Fam. Apiaceae)
Pharmaceutical Name:
Radix Angelicae Biserratae
Botanical
Name:
Angelica biserrata (Shan et Yuan) Yuan et Shan (Fam.
Apiaceae)
Common Name:
Biserrat angelica root
Part Used:
Dried
root
Radix
Angelicae Biserratae is produced chiefly in the
provinces of Hubei and Sichuan. It is collected in early spring when it begins
to sprout or at the end of autumn when it is withered. The hairy rootlets are
removed and the root is cleaned, dried and sliced, then used unprepared.
Properties Taste
& Meridians:
Pungent
and bitter in flavor, warm in property, acts on
the Liver, Kidney, and Bladder channels.
Functions:
Expels
Pathogenic Wind and Dampness to relieve rheumatic conditions and pain, relieves
Exterior syndromes by dispelling Pathogenic Cold.
Indications & Combinations:
1. For arthritis due to Wind Dampness,
especially arthritis in the lower back and legs, Radix Angelicae Pubescentis is used with other
anti-rheumatics such as Radix Rehmanniae (Sheng Di Huang), Cortex Eucommiae
Ulmoidis (Du Zhong), and Rumulus Taxilli Sutchuenensis (Sang Ji Sheng) in “The
Angelicae Biserratae-Taxilli Decoction” (Du Huo Ji Sheng Tang).
2. For invasion of Cold on the Shao Yin
channel complicated by Pathogenic Dampness in the interior manifesting as
headache with precordial pain, aching joints all over the body, and aversion to
cold, it is used with Rhizoma Notoperygii
(Qiang Huo).
Dosage
and administration:
3–10 g, decocted in water for an oral dose.
Precautions:
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