Radix Puerariae
Source
Root of Pueraria lobata (Wilid.) Ohwi, family Leguminosae,
Characteristics
Root
stoutly cylindrical. Prepared by cutting obliquely, longitudinally or
transversely. Section surface coarse and strongly fibrous; cross section
showing concentric circular fibres. Sweet and acrid in taste, cool in
nature, and attributive to spleen and stomach channels.
Indication
1. Expel the evil factors from superficies and muscles: For common cold
with fever, headache, stiffness and pain of nape and back.
2. Let out the skin eruptions: For measles and macule rash and other eruptive
diseases with incomplete eruption, usually used together with Rhizoma
Cimicifugae
3. Lift the lucid yang to ease the upper orifices, and arrest diarrhea:
For sudden deafness and blindness (such as central retinitis) due to failure
of rising of lucid yang; for diarrhea due to spleen deficiency, used together
with Radix Cbdonopsis Piiosuiae, Rhizoma Atractylodis Macrocephalae, etc.;
for diarrhea of dampness-heat type, used together with Rhizoma Coptidis,
Radix Scuteliariae, etc.
4.
Promote the production of body fluid ficial heat-syndrome with thirst,
febrile sumption, spleen deficiency with thirst, for hemicrania, stiff
neck, hypertensive and coronary heart disease. to quench thirst: For superdisease
with body fluid conand diabetes. Recently, used headache, neck pain, tinnitus
Pharmacological
Action
1. Its active component, daidzein, can dilate the coronary and cerebral
arteries.
2. Its decoction and extract are mild hypotensives.
3. Oral administration of its extractum reduces vaccine-induced fever
in rabbits.
4. Antispastic.
5. Its oral preparation is an anticonceptive in mice.
Administration Decoction: 6-20g.