Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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Antioxidant and anti-inflammatory activities of different extraction solvents of Cryptoporus volvatus

한입버섯의 추출 용매별 항산화 및 항염증 활성

  • An, Gi-Hong (Mushroom Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Han, Jae-Gu (Mushroom Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Cho, Jae-Han (Mushroom Research Division, National Institute of Horticultural and Herbal Science, RDA)
  • 안기홍 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 한재구 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 조재한 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과)
  • Received : 2019.08.27
  • Accepted : 2019.09.18
  • Published : 2019.09.30
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Abstract

In this study, we analyze the antioxidant and anti-inflammatory activities of various extracts of Cryptoporus volvatus. Three extracts were prepared using hot-water, 70% ethanol, and 70% methanol. Compared to the hot-water and 70% methanol extracts, the 70% C. volvatus ethanol extracts showed significantly higher DPPH radical scavenging activities (76.1%), nitrite scavenging activities (29.5%), and total polyphenol content (9.17 mg GAE/g). The DPPH radical and nitrite scavenging activities of C. volvatus both correlated significantly with the total polyphenol content. The Pearson's correlation coefficient of DPPH radical and nitrite scavenging activities with total polyphenol content were r = 0.744 (p<0.05) and r = 0.921 (p<0.01), respectively. To test their anti-inflammatory effects, nitric oxide production and cell viability were measured by performing nitric oxide (NO) and MTT assays on lipopolysaccharide-treated RAW 264.7 cells. The NO production levels of the 70% ethanol extract-treated cells were slightly lower than those of the others. In our MTT assay, the hot-water extracts showed higher cell viabilities (81.4%) than those of 70% ethanol and 70% methanol extracts. The ${\beta}$-glucan content of C. volvatus was 37.8%. From the results of this study, it is suggested that C. volvatus, an easily accessible wild mushroom, has potential to be used in the development of medicines, cosmetics, and functional health foods.

국내 자생하는 한입버섯의 생리활성 및 항염 활성을 분석하기 위하여 열수 및 70% 에탄올, 70% 메탄올 추출물에 대한 DPPH 라디컬 소거능, 아질산염 소거능, 총 폴리페놀 함량, NO 생성률 및 세포생존율을 분석하였다. 본 연구결과 한입버섯의 열수추출물과 70% 메탄올 추출물에 비하여 70% 에탄올추출물의 DPPH 라디컬 소거능(76.1%), 아질산염 소거능(29.5%), 총 폴리페놀 함량(9.17 mg GAE/g)이 가장 높았다. 또한 총 폴리페놀 함량과 DPPH 라디컬 소거능 및 아질산염 소거능과는 유의적인 상관관계를 나타냈다. NO 생성률은 70%에탄올 추출물이 37.8%로 가장 낮아 NO 저해효능이 우수하였으며, 세포생존율은 81.4%로 열수추출물이 가장 높아 열수추출에 의한 세포독성이 낮은 것으로 나타났다. 또한 베타글루칸 함량은 37.8%로 측정되었다. 이와 같은 연구결과는 우리 주위에서 쉽게 접할 수 있는 야생버섯 중의 하나인 한입 버섯이 건강기능성 식품 등의 개발 가능성이 큰 버섯임을 보여주고 있으며, 일반인들도 차의 형태로 우려 마실 경우 여러 질병들에 대한 예방학적 차원에서 효과를 볼 수 있으리라 기대된다.

Keywords

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