Journal of Mushroom (한국버섯학회지)

The Korean Society of Mushroom Science (한국버섯학회)
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Comparison of the biological activity of extracts from the mycelium, sclerotium, and fruiting body of Wolfiporia cocos (F.A. Wolf) Ryvarden & Gilb using different extraction solvents

복령균핵, 균사체 및 자실체의 추출용매별 생리활성 성분 비교

  • An, Gi-Hong (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) ;
  • Kim, Ok-Tae (Mushroom Research Division, National Institute of Horticultural and Herbal Science, RDA) ;
  • Lee, Chan-Jung (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)
  • 안기홍 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 조재한 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 김옥태 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 이찬중 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과) ;
  • 한재구 (농촌진흥청 국립원예특작과학원 인삼특작부 버섯과)
  • Received : 2020.08.27
  • Accepted : 2020.09.22
  • Published : 2020.09.30
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Abstract

The aim of this study was to investigate the biological activity of extracts obtained from the mycelium, sclerotium, and fruiting body of Wolfiporia cocos using different extraction solvents (hot water, 70% ethanol, and 70% methanol). Among the three developmental stages, the mycelium extracts showed the highest DPPH (2,2-diphenyl-1-picrylhydrazyl) radical scavenging activity, ferric reducing antioxidant power (FRAP), nitrite scavenging activity, and total polyphenolic content. Among the extraction solvents in the context of the W. cocos mycelium, the DPPH radical scavenging activity, FRAP, and total polyphenol content in the hot-water extracts were significantly higher than those in the other extracts. In the case of the sclerotium, the reducing power, nitrite scavenging activity, and total polyphenol content were significantly higher in 70% ethanolic extracts. The fruiting body showed the highest DPPH radical scavenging activity, reducing power, nitrite scavenging activity, and total polyphenol content in the context of hot-water extraction. Moreover, the β-glucan content was significantly higher in the sclerotium versus the mycelium or fruiting body. The total amino acid and total essential amino acid contents were remarkably higher in the mycelium and fruiting body than in the sclerotium; of note, and arginine (Arg) and phenylalanine (Phe) were highly detected among the amino acid components.

복령 발달단계인 균사체(mycelium), 균핵(sclerotium) 및 자실체(fruiting body)에 대한 열수(hot-water), 70% 주정(70% EtOH) 및 70% 메탄올(70% MeOH) 용매별 생리활성 성분과 발달단계별 건조시료의 베타글루칸 및 아미노산 성분함량을 분석하였다. 그 결과, 발달단계별 시료 중에서 균사체의 DPPH 라디컬 소거능, 철 환원 항산화능, 환원력, 아질산염 소거능 및 총 폴리페놀 함량이 균핵과 자실체와 비교하여 유의적 차이를 보이며 높은 것으로 나타났다. 추출용매별 결과, 균사체의 경우 열수추출물(hot-water)에서 DPPH 라디컬 소거능, 철 환원 항산화능 및 총 폴리페놀 함량이 높았으며, 균핵은 70% 주정추출물(70% EtOH)에서 철 환원 항산화능 및 총 폴리페놀 함량이, 열수추출물(hot-water)에서 DPPH 라디컬 소거능, 환원력 및 아질산염 소거능이 높았으며, 자실체는 열수추출물(hot-water)에서 DPPH 라디컬 소거능, 환원력, 아질산염 소거능 및 총 폴리페놀 함량이 다른 용매추출물에 비하여 높게 나타났다. 균사체, 균핵 및 자실체 건조시료 중의 베타글루칸 함량은 균핵에서 균사체와 자실체에 비하여 월등히 높은 함량치를 나타냈다. 총 아미노산 및 총 필수아미노산 함량은 자실체와 균사체에서 균핵과 비교하여 월등히 높았으며, 그 중 알기닌(Arg)과 페닐알라닌(Phe)이 높게 검출되었다.

Keywords

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