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

• Published in: Biochemical systematics and ecology 2019-04, Vol.83, p.51-53
• Main Authors: Tsiftsoglou, Olga St, Lazari, Diamanto M., Stefanakis, Michalis K., Kokkalou, Eugene L.
• Format: Article
• Language: English
• Subjects: Alyssum alyssoides; Flavonoids; Phenolic acids
• ISSN: 0305-1978; 1873-2925
• DOI: 10.1016/j.bse.2018.12.004

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. •Nine metabolites were isolated from the aerial parts of Alyssum alyssoides.•Seven compounds were reported for the first time from the genus Alyssum.•The chemotaxonomic significance of the isolated compounds was discussed.