Bioactive neolignan, iridoid and flavonoid glycosides from the leaves of Vaccinium bracteatum.
J Asian Nat Prod Res
; 26(6): 690-698, 2024 Jun.
Article
em En
| MEDLINE
| ID: mdl-38192122
ABSTRACT
Two neolignan glycosides including a new one (1), along with seven iridoid glycosides (3 - 9) and nine flavonoid glycosides (10 - 18), were isolated from the leaves of Vaccinium bracteatum. Their structures were established mainly on the basis of 1D/2D NMR and ESIMS analyses, as well as comparison to known compounds in the literature. The structure of 1 with absolute stereochemistry was also confirmed by chemical degradation and ECD calculation. Selective compounds showed antiradical activity against ABTS and/or DPPH. Moreover, several isolates also suppressed the production of ROS in RAW264.7 cells and exerted neuroprotective effect toward PC12 cells.
Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Flavonoides
/
Lignanas
/
Folhas de Planta
/
Glicosídeos
Limite:
Animals
Idioma:
En
Revista:
J Asian Nat Prod Res
Assunto da revista:
BOTANICA
/
QUIMICA
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
China