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Oleuropein

Oleuropein

IUPAC name	(4S,5E,6S)-4-[2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl]- 5-ethylidene-6-[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)- 2-tetrahydropyranyl]oxy]-4H-pyran-3-carboxylic acid, methyl ester
Identifiers
CAS number	32619-42-4
PubChem	5281544
SMILES	CC=C1C(C(=COC1OC2C(C(C(C(O2)CO)O)O)O)C (=O)OC)CC(=O)OCCC3=CC(=C(C=C3)O)O
Properties
Molecular formula	C₂₅H₃₂O₁₃
Molar mass	540.514
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

Oleuropein is a chemical compound found in the leaves of the olive tree together with other closely related compounds such as 10-hydroxyoleuropein, ligstroside, and 10-hydroxyligstroside. All these compounds are tyrosol esters of elenolic acid that are further hydroxylated and glycosylated. Oleuropein and its metabolite hydroxytyrosol have powerful antioxidant activity both in vivo and in vitro and give extra-virgin olive oil its bitter, pungent taste. Oleuropein preparations have been claimed to strengthen the immune system.

Oleuropein

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