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Abstract Title:

Physicochemical properties and antidiabetic effects of a polysaccharide from corn silk in high-fat diet and streptozotocin-induced diabetic mice.

Abstract Source:

Carbohydr Polym. 2017 May 15 ;164:370-378. Epub 2017 Jan 29. PMID: 28325338

Abstract Author(s):

Yuxiang Pan, Cong Wang, Zhongqin Chen, Weiwei Li, Guoqi Yuan, Haixia Chen

Article Affiliation:

Yuxiang Pan

Abstract:

This study aimed to investigate the physicochemical properties and antidiabetic effects of a polysaccharide obtained from corn silk (PCS2). PCS2 was isolated and the physicochemical properties were characterized. The hypoglycemic effects were determined using the high-fat diet and streptozocin induced type 2 diabetic mellitus (T2DM) insulin resistance mice. The results showed that PCS2 was a heteropolysaccharide with the average molecular weight of 45.5kDa. PCS2 was composed of d-galactose, d-mannose, d-(+)-glucose, d-(+)-xylose, l-arabinose and l-rhamnose. PCS2 treatment significantly reduced the body weight loss, decreased blood glucose and serum insulin levels, and improved glucose intolerance (P<0.05). The levels of serum lipid profile were regulated and the levels of glycated serum protein, non-esterified fatty acid were decreased significantly (P<0.01). The activities of superoxide dismutase, glutathione peroxidase and catalase were notably improved (P<0.05). PCS2 also exerted cytoprotective action from histopathological observation. These results suggested that PCS2 could be a good candidate of functional food or medicine for T2DM treatment.

Study Type : Animal Study

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Sayer Ji
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