DoLPHiN: A structural and functional database of natural polysaccharides with health benefits

Title Value
Polysaccharide RAP
Source Name Astragalus membranaceus
Weight 1334kDa
Main Glycosidic Bond(s)
α-Rhap-(1→2,4)
α-Glcp-(1→4)
α-GalA-(1→4)
β-Galp-(1→3,6)
α-Rhap-(1→3)
α-Araf-(1→5)
Main Chain The backbone consisted of 1,2,4-linked Rhap, α-1,4-linked Glcp, α-1,4-linked GalAp6Me, β-1,3,6-linked Galp, with branched at O-4 of the 1,2,4-linked Rhap and O-3 or O-4 of β-1,3,6-linked Galp.
Side Chain The side chains mainly consisted of α-T-Araf and α-1,5-linked Araf with O-3 as branching points, having trace Glc and Gal.
NMR Information yes
Monosaccharide
glucose 13.78%
galactose 18.37%
arabinose 51.02%
galacturonic acid 15.3%
rhamnose 1.53%
Physiological Functions immunoregulation
Intestinal Microbiota Regulation unknown
Related Diseases (based on ICD-11) 04-Diseases of the immune system
Correlation map Click to view
DOI 10.1016/j.carbpol.2011.08.045
Data Source Statement:
The data included in the DoLPHiN database is sourced exclusively from peer-reviewed original publications and presented after normalization.