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Int. J. Mol. Sci. 2014, 15(10), 19307-19318; doi:10.3390/ijms151019307

Antioxidant and Immunoregulatory Activity of Polysaccharides from Quinoa (Chenopodium quinoa Willd.)

Institute of Crop Science, Chinese Academy of Agricultural Sciences, Beijing 100081, China
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Received: 28 August 2014 / Revised: 27 September 2014 / Accepted: 10 October 2014 / Published: 23 October 2014
(This article belongs to the Special Issue Bioactive Carbohydrates and Peptides)
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Abstract

The water-extractable (QWP) and the alkali-extractable (QAP) polysaccharides from quinoa (named QWP and QAP, respectively) and their four polysaccharide sub-fractions (QWP-1, QWP-2, QAP-1 and QAP-2), were isolated and purified by anion-exchange and gel filtration chromatography. QWP-1 and QWP-2 were composed of Rha, Ara, Gal and GalA. QAP-1 and QAP-2 were composed of Rha, Ara, Man, Gal and GalA. Antioxidant and immunoregulatory activities of the polysaccharides were evaluated. The results showed that QWP-1, QWP-2, QAP-1 and QAP-2 had significant antioxidant and immunoregulatory activities. The results suggest that QWP-1, QWP-2, QAP-1 and QAP-2 could be used as potential antioxidants and immunomodulators. View Full-Text
Keywords: quinoa; water-extractable polysaccharide; alkali-extractable polysaccharide; bioactivity quinoa; water-extractable polysaccharide; alkali-extractable polysaccharide; bioactivity
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

Yao, Y.; Shi, Z.; Ren, G. Antioxidant and Immunoregulatory Activity of Polysaccharides from Quinoa (Chenopodium quinoa Willd.). Int. J. Mol. Sci. 2014, 15, 19307-19318.

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