Potentilla (Potentillae anserinae herba)

Published November 30, 1985; Revised March 13, 1990.
List of German Commission E Monographs (Phytotherapy)

Gänsefingerkraut

Name of Drug

Potentillae anserinae herba, potentilla, silverweed.

Composition of Drug

Potentilla herb consists of the fresh or dried leaf and flowers of Potentilla anserina L. [Fam. Rosaceae], harvested shortly before or during flowering, as well as its preparations in effective dosage.

The herb contains at least 2 percent tannins when precipitated with casein, calculated as gallic acid (C7H6 O5, MW 170.1) and related to the dried herb. Other ingredients are tormentoside, phytosterols, flavonoids and anthocyanins.

Uses

Mild dysmenorrheal disorders, support for treatment of milder, nonspecific, acute diarrhea, light inflammation of the oral and pharyngeal mucosa.

Contraindications

None known.

Side Effects

Gastric irritations could be aggravated.

Interactions with Other Drugs

None known.

Dosage

Daily dosage:

4 - 6 g of herb; equivalent preparations. Mode of Administration Cut herb for infusions and decoctions.

Powdered herb and other galenical preparations for oral use.

Actions

Astringent, depending on tannin concentration.
Distinct increase in tonus and contraction frequency on the isolated uterus of various animals.