Structural properties and antioxidant activities of polysaccharide from fruit bodies of Pholiota nameko.
Nat Prod Res
; 33(11): 1563-1569, 2019 Jun.
Article
en En
| MEDLINE
| ID: mdl-29308664
ABSTRACT
A polysaccharide named PNP was extracted and purified from Pholiota nameko. The total sugar content of PNP was 95.29% and the molecular weight was 1.89 × 103 kDa. The structural features of PNP were investigated by the combination of chemical and instrumental analysis such as UV spectrophotometer, specific rotation determination, FT-IR, methylisation analysis and Congo red. The results showed that the optical rotation of PNP was +120° and that it had a triple-helical structure. Besides, PNP was mainly composed of glucose and mannose at the molar ratio of 4.241.00. The backbone of PNP was composed of (1â3)-linked-Glc and (1â3)-linked-Man whereas the branches of (1â3,6)-linked- Glc, (1â3,6)-linked-Man and T- Glc. Consistenting with the results of UV-Vis spectra, FT-IR spectroscopy and 1H NMR, indicated that PNP was a complex of polysaccharides and polyphenols. In vitro antioxidant results suggested that PNP was processed with certain scavenging capacity.
Palabras clave
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Pholiota
/
Polisacáridos Fúngicos
/
Antioxidantes
Idioma:
En
Revista:
Nat Prod Res
Año:
2019
Tipo del documento:
Article