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Anti-Oxidative and Anti-Neuroinflammatory Effect of Ethanol Extracts from Walnuts's (Juglans regia L.) Shell

  • Kang, Hyun (Department of Medical Laboratory Science, College of Health Science, Dankook University)
  • Received : 2018.11.11
  • Accepted : 2018.12.05
  • Published : 2018.12.31

Abstract

In this study, antioxidant and anti-neuroinflammatory of ethanol extracts from walnuts's (Juglans regia L.) shell were investigated in vitro. Radical-scavenging activities of the walnuts's shell ethanol extracts (WSE) were examined by using ABTS radicals and ${\alpha},{\alpha}$-diphenyl-${\beta}$-picrylhydrazyl (DPPH) radicals assay. In the ABTS and DPPH radical scavenging activity, $RC_{50}$ of WSE were measured as 15.74 and $40.13{\mu}g/mL$, respectively. Also, to evaluate the anti-neuroinflammatory effects of WSE in lipopolysaccharide (LPS)-stimulated BV-2 microglial cells. The production of proinflammatory cytokines NO were examined by LPS in BV-2 cell. BV-2 cells activated with LPS were treated with various doses (10, 25, 50, $100{\mu}g/mL$) of WSE. Supernatants were analyzed for the production of NO using Griess reagent. WSE up to $10{\mu}g/mL$ still required to inhibit NO induced by LPS. These results showed that walnuts's (Juglans regia L.) shell can be used as an easily accessible source of natural anti-neuroinflammatory and natural antioxidants.

Keywords

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