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Flavonoids and phenolic acids from the aerial parts of Alyssum alyssoides L. (Brassicaceae)

Author:
Tsiftsoglou, Olga St., Lazari, Diamanto M., Stefanakis, Michalis K., Kokkalou, Eugene L.
Source:
Biochemical systematics and ecology 2019 v.83 pp. 51-53
ISSN:
0305-1978
Subject:
Alyssum alyssoides, aerial parts, chemotaxonomy, isorhamnetin, kaempferol, nuclear magnetic resonance spectroscopy, quercetin, vanillic acid
Abstract:
Two phenolic acids (1 and 2) and seven flavonoids (3–9) were isolated from the aerial parts of Alyssum alyssoides (Brassicaceae). All these compounds (1–9) were isolated from this particular species for the first time. Their structures were identified, on the basis of MS and NMR spectra as: p-hydroxy-benzoic acid (1), 3-methoxy-4-hydroxybenzoic acid (vanillic acid) (2), kaempferol 3-O-β-D-glucopyranoside (astragalin) (3), kaempferol 3-O-(6″-α-L-rhamnopyranosyl)-β-D-glucopyranoside (nicotiflorin) (4), quercetin 3-O-β-D-glucopyranoside (isoquercetin) (5), quercetin 3-O-β-D-galactopyranoside (hyperoside) (6), isorhamnetin 3-O-β-D-glucopyranoside (7), isorhamnetin 3-O-β-D-galactopyranoside (8) and isorhamnetin 3-O-(6″-α-L-rhamnopyranosyl)-β-D-glucopyranoside (narcissin) (9). The chemotaxonomic significance of these compounds was summarized.
Agid:
6259643