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Molecules 2017, 22(8), 1276; doi:10.3390/molecules22081276

Isolation, Purification and Structural Characterization of Two Novel Water-Soluble Polysaccharides from Anredera cordifolia

1
Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, 100083 Beijing, China
2
Beijing Engineering Research Center of Protein & Functional Peptides, China National Research Institute of Food & Fermentation Industries, 100015 Beijing, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Quan-Bin Han
Received: 5 July 2017 / Revised: 23 July 2017 / Accepted: 29 July 2017 / Published: 3 August 2017
(This article belongs to the Special Issue Advances in Natural Polysaccharides Research)
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Abstract

Anredera cordifolia, a climber and member of the Basellaceae family, has long been a traditional medicine used for the treatment of hyperglycemia in China. Two water-soluble polysaccharides, ACP1-1 and ACP2-1, were isolated from A. cordifolia seeds by hot water extraction. The two fractions, ACP1-1 and ACP2-1 with molecular weights of 46.78 kDa ± 0.03 and 586.8 kDa ± 0.05, respectively, were purified by chromatography. ACP1-1 contained mannose, glucose, galactose in a molar ratio of 1.08:4.65:1.75, whereas ACP2-1 contained arabinose, ribose, galactose, glucose, mannose in a molar ratio of 0.9:0.4:0.5:1.2:0.9. Based on methylation analysis, ultraviolet and Fourier transform-infrared spectroscopy, and periodate oxidation the main backbone chain of ACP1-1 contained (1→3,6)-galacturonopyranosyl residues interspersed with (1→4)-residues and (1→3)-mannopyranosyl residues. The main backbone chain of ACP2-1 contained (1→3)-galacturonopyranosyl residues interspersed with (1→4)-glucopyranosyl residues. View Full-Text
Keywords: isolation; purification; polysaccharide; Anredera cordifolia; structural characterization isolation; purification; polysaccharide; Anredera cordifolia; structural characterization
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zhang, Z.-P.; Shen, C.-C.; Gao, F.-L.; Wei, H.; Ren, D.-F.; Lu, J. Isolation, Purification and Structural Characterization of Two Novel Water-Soluble Polysaccharides from Anredera cordifolia. Molecules 2017, 22, 1276.

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