Structural elucidation a complex galactosyl and glucosyl-rich pectin from the pericarp of immature fruits of Juglans mandshurica Maxim.
Glycoconj J
; 41(3): 201-216, 2024 Jun.
Article
en En
| MEDLINE
| ID: mdl-38954268
ABSTRACT
A glucosyl-rich pectin, JMMP-3 (Mw, 2.572 × 104 g/mol, O-methyl % = 3.62%), was isolated and purified from the pericarp of the immature fruit of Juglans mandshurica Maxim. (QingLongYi). The structure of JMMP-3 was studied systematically by infrared spectroscopy, monosaccharide compositions, methylation analysis, partial acid hydrolysis, and 1/2D-NMR. The backbone of JMMP-3 possessed a smooth region (â 4GalA1 â) and a hairy region (â 4GalA1 â 2Rha1 â) with a molar ratio of 2 5. The substitution of four characteristic side chains (R1-R4) occurs at C-4 of â 2,4)-α-Rhap-(1â, where R1 is composed of â 5)-α-Araf-(1â, R2 is composed of â 4)-ß-Galp-(1 â and ß-Galp-(1â, R3 is composed of α-Glcp-(1â, â4)-α-Glcp-(1 â and â 4,6)-α-Glcp-(1â, and R4 is composed of â 5)-α-Araf-(1â, ß-Galp-(1â, â 4)-ß-Galp-(1â, â 3,4)-ß-Galp-(1â, â 4,6)-ß-Galp-(1 â and â 2,4)-ß-Galp-(1 â . In addition, the antitumor activity of JMMP-3 on HepG2 cells was preliminarily investigated.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Pectinas
/
Juglans
/
Frutas
Límite:
Humans
Idioma:
En
Revista:
Glycoconj J
Asunto de la revista:
BIOQUIMICA
/
METABOLISMO
Año:
2024
Tipo del documento:
Article