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Carbohydr Polym. 2013 Jan 30;92(1):758-64. doi: 10.1016/j.carbpol.2012.09.079. Epub 2012 Oct 8.

Structural characteristics and antioxidant activities of polysaccharides from longan seed.

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1
Key Laboratory of Plant Resources Conservation and Sustainable Utilization, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510640, People's Republic of China.

Abstract

Ultrasound-assisted extraction was employed to extract polysaccharides from longan seed (LSP), with aids of a Box-Behnken statistical design to investigate the effects of ultrasonic power, time and liquid/solid ratio on the extraction recovery of the LSP. The structural analysis indicated that arabinose, galactose, glucose and mannose were major components of LSP, with →6)-Gal-(→1, Glc-(→1 and →6)-Glc-(1→ glycosidic linkages. In an in vitro antioxidant activity of the 1,1-diphenyl-2-picryldydrazyl radical-scavenging assay, LSP exhibited a dose-dependent property within the concentration range tested.

PMID:
23218364
DOI:
10.1016/j.carbpol.2012.09.079
[Indexed for MEDLINE]
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