Isolation and HPLC quantitative analysis of flavonoid glycosides from Brazilian beverages (Maytenus ilicifolia and M-aquifolium)
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Data
2001-08-01
Autores
Leite, JPV
Rastrelli, L.
Romussi, G.
Oliveira, A. B.
Vilegas, JHY
Vilegas, Wagner [UNESP]
Pizza, C.
Título da Revista
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Editor
Amer Chemical Soc
Resumo
Aqueous infusions of Brazilian Maytenus leaves are used as beverages, foodstuffs, and phytomedicines. Previously, we isolated two new flavonoid tetrasaccharides from the infusion of Maytenus aquifolium leaves that showed antiulcer activity. In this investigation a new flavonoid tetrasaccharide, kaempferol-3-O-alpha -L-rhamnopyranosyl (1-6)-O-[alpha -L-arabinopyranosyl (1 -->3)-O-alpha -L-rhamnopyranosyl (1-2)]-O-beta -D-galactopyranoside (3), was isolated, together with kaempferol tri- and disaccharides and quercetin trisaccharides from the aqueous infusion of Maytenus ilicifolia leaves. All structures were elucidated by ES-MS and NMR spectroscopic methods. The quantitative analysis of the flavonoid glycosides from Maytenus ilicifolia and M. aquifolium has been performed by HPLC.
Descrição
Palavras-chave
Maytenus ilicifolia, M. aquifolium Martius, Celastraceae, espinheira santa, infusion, beverage, flavonoids glycosides, 1D and 2D NMR, quantitative determination
Como citar
Journal of Agricultural and Food Chemistry. Washington: Amer Chemical Soc, v. 49, n. 8, p. 3796-3801, 2001.