Bistort rhizome (QUAN SHEN)
Polygonum bistorta L. (Fam. Polygonaceae)
Pharmaceutical Name:
Rhizoma Bistortae
Botanical Name:
Polygonum bistorta L. (Fam. Polygonaceae)
Common Name:
Bistort rhizome
Part Used:
Rhizome
Rhizoma Bistortae is produced chiefly in northeastern China and the provinces of Jiangsu and Hubei. It is collected in the early spring or autumn, dried in sunlight, and sliced for use.
Properties Taste & Meridians:
Bitter in flavor, cool in property.
Functions:
Clears Pathogenic Heat, removes Dampness, reduces swelling.
Indications & Combinations:
1. For dysentery with bloody stools and diarrhea in acute gastroenteritis, it is used alone.
2. For carbuncles, scrofula, and ulcers in the mouth and on the tongue, it is often used alone.
3. For edema, it is used alone or with other herbs.
Dosage and administration:
3–12 g, decocted in water for an oral dose or for external use.
Precautions:
