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Depression: 21st Century Solutions + The Dark Side of Wheat

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Abstract Title:

Structure analysis and anti-fatigue activity of a polysaccharide from Lepidium meyenii Walp.

Abstract Source:

Nat Prod Res. 2018 Mar 16:1-10. Epub 2018 Mar 16. PMID: 29544368

Abstract Author(s):

Yun Tang, Zhen-Yuan Zhu, Li-Chao Pan, Huiqing Sun, Qiao-Ying Song, Yongmin Zhang

Article Affiliation:

Yun Tang

Abstract:

A polysaccharide was obtained from Lepidium meyenii Walp by hot water extraction and purification by Millipore (100 kD) and Sephadex G-200. The content of polysaccharide was examined to be 89.9% with phenol-sulfuric acid method. Its average molecular weight was estimated to be 2.213 × 10 Da by High Performance Gel Permeation Chromatography (HPGPC). Monosaccharide analysis showed that the polysaccharide was composed of arabinose, mannose, glucose and galactose with the molar ratio of 2.134: 1: 2.78: 2.82. After Smith degradation, methylation, infrared spectroscopy and NMR, the primary structure of the polysaccharide was identified. The backbone of the polysaccharide was composed of →4)-β-D-Galp-(1→ and →4)-α-D-Galp-(1→, while the branches were comprised of →6)-β-D-Glup-(1→, →5)- β-D-Araf-(1→, →3,6)-α-D-Manp-(1→, →3)-α-D-Galp-(1→, and α-D-Glup-(1→. The anti-fatigue effect of the polysaccharide was evaluated using exhaustive swimming test and biochemical indexes. The results indicated the polysaccharide has anti-fatigue effect.

Study Type : Animal Study
Additional Links
Additional Keywords : Polysaccharides : CK(5) : AC(3)

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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