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Pilosela, Vellosilla; al. Kleines Habichtskraut, Mausohr; English. Mouse ear.

Whole plant.

Polymorphism of the genre makes their taxonomy is a delicate and controversial. H. pilosella is a plant that grows tapizando soil in the form of grass, and that is multiplied by long runners. The leaves in rosette form of oval and have long hair white and silky. The stem florífero is agile and monocéfalo.


It stretches across Europe to the edge of the Arctic. Does not grow in Turkey or Iceland. It is naturalized in North America. It extends between the often dry grass that grows in basements little deeper and subject to summer drought.

Chemical composition.

All organs of the plant contain coumarin: the umbeliferona, mainly present in the drug fresh in the form heterosídica (7 - glucosil umbeliferona) The road is the richest: 0. 2 - 0. 6%. The drug also contains acids, phenols and flavonoids (isoetina) triterpenic alcohols and esters of fatty acids in proportion unusual (as in the case of the dandelion) are stored in the form globules of lipid, a source of energy reserves. Like many other Asteraceae, the syrup collects pilosela in its wake.

Pharmacological data.

The bacteriostatic activity of the drug compared to several species of Brucella, demonstrated in the late forties, to be attributed, as in vitro tests, a coumarin: the umbeliferona free. Some observations medical and veterinary quite old suggest that a long - term treatment can be effective in case of brucellosis. The pilosela also comes as a diuretic drugs through its polyphenols. This diuresis occurs with removal of chloride ions and nitrogen. The acute toxicity tests (1 g / kg) and subacute (300 and 600 mg / kg / day) conducted in animals reveal no evidence of toxicity by the oral route.


In Spain authorizing the use of this plant to facilitate the functions of digestive and kidney removal.

The drug.

The drug consists of the entire plant. The leaves, whole, elliptical and white, are covered by many hairs on the underside. The involucre surrounding the chapter is covered with glandular hairs blackish color. The receptacle containing flowers hermaphrodite with lígulas pentadentadas. The thin - layer chromatography in the presence of a dye patterns luteolol, chlorogenic acid and umbeliferona allows complete identification.


E. Wollenweber.

Flavones and flavonols. In: The flavonoids: advances in research, J. B. Harborne and T. J. Mabry.

eds. London, Chapman and Hall, P. 189 - 260, 1982.

P. Karuna, H. HAKALA and S. HEINONEN.

Occurrence of esterified ALCOHOLS triterpenes in the leaves of Pilosella officinarum.

Physiol. Plant. 61, 243 - 250, 1984.

Piloselle, toxicologique dossier. Travaux des Laboratoires Arkopharma.

Diseases whose treatment is appropriate in this plant.

Moderate essential hypertension.

Premenstrual syndrome.


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