Journal
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume 131, Issue -, Pages 315-322Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijbiomac.2019.03.074
Keywords
Antioxidant; Enzymatic-residue polysaccharide; Liver injury; Pleurotus citrinipileatus
Funding
- Mushroom Technology System of Shandong Province [SDAIT-07-05]
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The enzymatic-extraction residue polysaccharide (ERPS) from Pleurotus citrinipileatus was obtained, and its antioxidant and hepatoprotective effects were also investigated. Animal experiments indicated that the ERPS could reduce the levels of AST, ALT, ALP, TBIL, MDA and LPO, improve the activities of GSH-Px, SOD and CAT, decrease the inflammatory factor of CYP2E1, TNF-alpha and IL-6, and enhance the IL-10 levels, showing the potential protections against CCl4-induced injures. ERPS can improve liver fibrosis by reducing the level of pivotal cytokine TGF-beta 1. Western blotting results revealed that ERPS relieved the inflammatory response by increasing the I-kappa B alpha expressions in the NF-kappa B pathway. Furthermore, the structural characteristics demonstrated that the ERPS was a typical beta-type glycosidic pyranose with the weight-average molecular weight of 1.30 x 10(5) Da and the monosaccharide composition of Man, Rha, Glc, Gal, Xyl and Ara, GlcUA and GalUA. These results demonstrated that the ERPS might be suitable for functional foods and natural drugs for preventing the acute liver damage. (C) 2019 Elsevier B.V. All rights reserved.
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