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Abstract Title:

Extraction and structural analysis ofpolysaccharide with low molecular weight and its lipid-lowering effect on nonalcoholic fatty liver disease.

Abstract Source:

Food Sci Nutr. 2020 Jul ;8(7):3212-3224. Epub 2020 May 18. PMID: 32724586

Abstract Author(s):

Ping Ma, Congyong Sun, Wenjing Li, Wenwen Deng, Michael Adu-Frimpong, Jiangnan Yu, Ximing Xu

Article Affiliation:

Ping Ma

Abstract:

Nonalcoholic fatty liver disease (NAFLD) is one of the prevalent and typical chronic liver diseases. In this study, we extracted a novelpolysaccharide (ASP) with low molecular weight (MW) of 3.2 kDa through optimized"one-step"purification process. The major monosaccharide components of ASP were mannose, rhamnose, glucuronic acid, galactose, arabinose, and xylose with weight ratio of 0.23:0.17:14.41:0.39:1.68:0.87, respectively. Herein,"small"ASP could serve as an effective therapeutic option for NAFLD both in free fatty acid-induced L02 models and in high-fat diet-induced mice models. Results revealed that low MW ASP dose-dependently decreased TG, TC in vitro and TG, TC, ALT, HDL-C, and LDL-C in vivo. Oil Red O-positive area and Nile red fluorescence intensity decreased in ASP treatment groups both in vitro and in vivo which suggested ASP could reduce lipid accumulation and fatty regeneration. Hematoxylin-eosin staining results shown a decrease in hepatocytes ballooning indicating that ASP could ameliorate liver lipid degeneration. Briefly, a novel polysaccharide with low MW was successfully obtained which can prospectively act as NAFLD therapy.

Study Type : Animal Study

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