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Journal article

Further iridoid glucosides in the genus Manulea (Scrophulariaceae)

By Gousiadou, Chryssoula1; Kokubun, Tetsuo2; Gotfredsen, Charlotte Held1,3; Jensen, Søren Rosendal1,3

From

Department of Chemistry, Technical University of Denmark1

Royal Botanic Gardens, Kew2

Organic Chemistry, Department of Chemistry, Technical University of Denmark3

From Manulea altissima (Scrophulariaceae) were isolated five known secoiridoid glucosides sweroside, eustomoside, eustoside, secoxyloganin and secologanoside as well as the 4″-O-rhamnopyranosyl-feruloyl ester of adoxosidic acid, named altissimoside. Also, the caffeoyl phenylethanoid glycoside verbascoside was isolated.

In addition two previously unknown terpenoid esters of 6β-hydroxy 8-epi-boschnaloside, named manucoside A and B were isolated from a formerly obtained fraction from the work-up of Manulea corymbosa. The distribution of iridoid glucosides in the Scrophulariaceae is discussed.

Language: English
Year: 2015
Pages: 43-48
ISSN: 18733700 and 00319422
Types: Journal article
DOI: 10.1016/j.phytochem.2014.10.004
ORCIDs: Gotfredsen, Charlotte Held
Keywords

Chemotaxonomy Iridoid glucosides Manulea altissima L Manulea corymbosa L Phenylethanoid glycosides Scrophulariaceae Secoiridoid glucosides

Other keywords

Glycosides Iridoid Glycosides Iridoids Molecular Structure Plant Extracts manucoside A manucoside B

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