Isolation and Identification of a Water-soluble Polysaccharide from Morinda officinalis

Abstract

Abstract:

A soluble polysaccharide (MOHP-1) was isolated from the roots of Morinda officinalis How via procedures including extraction, precipitation, deprotein, decolor and separation over anion-exchange. On the basis of FTIR, HPLC, NMR and GC-MS analysis after methylation, MOHP-1 was determined as α-Glcp-(1→2)-[β-Fruf-(2→1)-β-Frucf]_n, a polysaccharide with a linear chain of (2→1) linked β-fructofuranosyl residues specifying an inulin-type structure.

Key words: Morinda officinalis How, polysaccharide, structure, HPLC, NMR, GC-MS

CLC Number:

R284

YANG Zhen-Min, YI Yong-Tao, GAO Chuan-Chuan, FAN Jian-Qiang, HU Jun, ZHAO Ming-Yue. Isolation and Identification of a Water-soluble Polysaccharide from Morinda officinalis[J]. NATURAL PRODUCT RESEARCH AND DEVELOPMENT, 2011, 23(1): 1-5.

References

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