Tinkturenpresse

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Taraxacum officinale Wigg. - syn.Taraxacum vulgare Schrank; Leontodon taraxacum L. - Asteraceae
(common) dandelion, lion's-tooth, (Gewöhnlicher, Gemeiner) Löwenzahn, Gemeine Kuhblume, Pusteblume

Perennial herb, up to 40cm high, native to Europe, Asia, naturalized in North America; taproot up to 30cm long; whole plant and especially the stalks with white milky sap; leaves 5-25cm long, lanceolate, deeply lobed, forming a basal rosette; flowers shiny golden-yellow, solitary at the top of hollow stalks; fruits forming a rounded, white-haired seed-head known as dandelion clock.

Tender young leaves are considerably less bitter than older leaves so they are used in salads.
http://de.wikipedia.org/wiki/Gew%C3%B6hnlicher_L%C3%B6wenzahn

„The roasted dandelion root pieces and the beverage have some resemblance to coffee in appearance and taste.“
http://en.wikipedia.org/wiki/Dandelion_coffee

„The investigation of the roots and the aerial parts of Taraxacum officinale afforded, in addition to known compounds, a new eudesmanolide, a tetrahydroridentin B, a eudesmanolide-β-d-glucopyranoside and two germacranolide acids, which are esterified with β-d-glucose. The latter two seem to represent a new type of sesquiterpene lactone. All three of the new glucose derivatives have a strong bitter taste.“
[Sesquiterpenlacton-β-D-glucopyranoside sowie ein neues Eudesmanolid aus Taraxacum officinale., Hänsel, R., Kartarahardja, M., Huang, J.T., Bohlmann, F., Phytochemistry, Vol.19(5), 1980, 857-861]

Supercritical fluid (CO2) extracts of the leaves (3.2-4.0% dry weight of raw material) contained the triterpenes β-amyrin (11.0-12.7%) and β-sitosterol (3.1-3.7%).
[Supercritical fluid extraction of dandelion leaves., Simandi, B., Kristo, S.T., Kery, A., Selmeczi, L.K., Kmecz, I., Kemény, S., The Journal of supercritical fluids, Vol.23(2), 2012, 135-142]
http://quimica.udea.edu.co/~carlopez/cromatosfc/dienteleon_sfe_2002.pdf

Taraxacum officinale Webb [as Leontodon taraxacum L.]
Kohl, F.G., Die officinellen Pflanzen der Pharmacopoea Germanica, t.151 (1891-1895) [F.G. Kohl]
http://plantgenera.org/species.php?id_species=999560