Chemosystematic value of flavonoids from Crataegus x macrocarpa (Rosaceae) with special emphasis on (R)- and (S)-eriodictyol-7-O-glucuronide and luteolin-7-O-glucuronide.
Chem Biodivers
; 4(2): 154-62, 2007 Feb.
Article
em En
| MEDLINE
| ID: mdl-17311228
ABSTRACT
The chemotaxonomic investigation of Crataegus x macrocarpa, a hybrid of C. laevigata and C. rhipidophylla, presents the qualitative and quantitative composition of its flavonoid pattern in relationship to its parent species for the first time. Six flavonoids were identified as vitexin-2''-O-rhamnoside (1), vitexin (2), isovitexin (3), rutin (4), hyperoside (5), and isoquercitrin (6). Furthermore, two flavonoids were isolated from C. x macrocarpa and identified as a diastereoisomeric mixture of (R)- and (S)-eriodictyol-7-O-beta-D-glucuronide (7) and luteolin-7-O-beta-D-glucuronide (8) by means of 1D- and 2D-NMR, MS, and UV experiments. Compounds 7 and 8 were isolated for the first time from Crataegus species. While missing in C. laevigata, their occurrence in C. rhipidophylla additionally emphasizes its chemotaxonomic relationship to C. x macrocarpa.
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Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Crataegus
/
Flavanonas
/
Luteolina
/
Glucuronatos
Tipo de estudo:
Qualitative_research
Idioma:
En
Revista:
Chem Biodivers
Assunto da revista:
BIOQUIMICA
/
QUIMICA
Ano de publicação:
2007
Tipo de documento:
Article
País de afiliação:
Áustria