The Korean Journal of Mycology (한국균학회지)

The Korean Society of Mycology (한국균학회)
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Antioxidant and Anti-Inflammatory Activities of Methanol and Hot Water Extracts of Pholiota nameko Fruiting Bodies

맛버섯 자실체의 메탄올 및 열수추출물의 항산화 및 항염증 활성

  • Nguyen, Trung Kien (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Shin, Do Bin (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Lee, Su Min (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Im, Kyung Hoan (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Lee, Tae Soo (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University) ;
  • Lee, U Youn (Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University)
  • ;
  • 신도빈 (인천대학교 생명과학기술대학 생명과학부) ;
  • 이수민 (인천대학교 생명과학기술대학 생명과학부) ;
  • 임경환 (인천대학교 생명과학기술대학 생명과학부) ;
  • 이태수 (인천대학교 생명과학기술대학 생명과학부) ;
  • 이우윤 (인천대학교 생명과학기술대학 생명과학부)
  • Received : 2013.06.04
  • Accepted : 2013.06.15
  • Published : 2013.06.30
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Abstract

Pholiota nameko is an edible mushroom belonged to Family Strophariaceae of Agaricales, Basidiomycota. The purpose of this study was to investigate the antioxidant and anti-inflammatory activities for the methanol and hot water extracts prepared from fruiting bodies of Pholiota nameko. Besides measuring for 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging activity, a reducing power and a chelating activity on ferrous ions were also measured to evaluate the antioxidant activity for those extracts. To measure the anti-inflammatory activities for the extracts, nitric oxide(NO) production from lipopolysaccharide treated RAW 264.7 macrophage cells and carrageenan-induced acute hind paw edema of rats were investigated. The results showed that those extracts has a excellent chelating activity on the ferrous ions compared with positive controls. And it also turned out that extracts had a good DPPH activity and a reducing power. The NO production in LPS-treated RAW 264.7 macrophage cells were decreasing as we increased concentration of those mushroom extracts. Significant reduction of paw edema were also observed at 2~6 h after we treated methanol and hot-water extracts at the 50 mg/kg concentration to the rats which are induced acute hind paw edema by carrageenan treatment. The experimental results suggested that methanol and hot-water extracts of Pholiota nameko fruiting bodies might be used for potential source of antioxidant and anti-inflammatory agents.

본 연구에서는 맛버섯의 자실체로부터 메탄올과 열수를 이용하여 추출한 물질의 항산화와 항염증 효과를 탐색하였다. DPPH 라디칼 소거능과 환원력을 이용해 항산화 효과를 측정한 결과 양성대조군으로 사용한 BHT나 토코페롤에 비해 낮았지만 다른 종류의 버섯에 비해 효과가 우수한 것을 확인하였다. 금속이온 제거 항산화 실험에서는 맛버섯의 메탄올 추출물의 효과가 양성대조군인 BHT나 토코페롤에 비해 월등하게 높아서 맛버섯의 자실체 추출물은 높은 항산화 효과를 지닌 것으로 나타났다. 맛버섯의 항염증 저해 효과 실험에서는 RAW 264.7 대식세포가 배양되고 있는 배지에 맛버섯 자실체의 메탄올 및 열수 추출물로 각각 전 처리 한 후 염증매개 물질인 LPS를 투여하여 맛 버섯 추출물의 NO 생성 저해효과를 조사하였다. 실험 결과, 첨가된 맛버섯 추출물의 농도가 증가함에 따라 생성된 NO의 양이 현저하게 감소하는 경향을 나타내었다. 또한 맛버섯의 추출물이 carrageenan에 의해 흰쥐 뒷발에 유도된 부종 저해 실험에서는 투여한 맛버섯의 추출물 농도가 증가함에 따라 흰쥐의 뒷발에 유도된 부종의 용적이 농도 의존적으로 감소되는 것으로 나타났다. 따라서 맛버섯 자실체에 함유된 항산화 및 항염증 물질은 천연 항산화제나 항염증제로 이용이 가능할 것으로 사료된다.

Keywords

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