Taraxacoside is an

acylated γ-butyrolactone glycoside In chemistry, acylation (or alkanoylation) is the chemical reaction in which an acyl group () is added to a compound. The compound providing the acyl group is called the acylating agent. Because they form a strong electrophile when treated with s ...

with the molecular formula C₁₈H₂₂O₁₀ which has been isolated from roots of the plant ''

Taraxacum officinale ''Taraxacum officinale'', the dandelion or common dandelion, is a flowering Herbaceous plant, herbaceous perennial plant of the Dandelion, dandelion genus in the family Asteraceae (syn. Compositae). The common dandelion is well known for its yell ...

''.

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Further reading