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Biological Activities of Poria cocos Wolf and Corni fructus Extracts based on their extraction solvent

추출용매에 따른 복령(Poria cocos Wolf)과 산수유(Corni fructus) 추출물의 생리활성 효과 비교

  • 오희경 (장안대학교 건강과학부 바이오동물보호과)
  • Received : 2019.12.07
  • Accepted : 2019.12.30
  • Published : 2019.12.30

Abstract

This study was to investigate the antioxidant, anti-inflammatory and neuronal cell protective effects of Poria cocos Wolf and Corni fructus extracted by water and 70% ethanol. Total polyphenol content in water extract of Poria cocos Wolf was significantly higher than those of other extracts. DPPH and ABTS free radical scavenging activity in water extract of Corni fructus was higher than those of other extracts. DPPH and ABTS free radical scavenging activity were increased in a dose-dependent manners. In order to effectively extract total polyphenol contents and anti-oxidant components in Poria cocos Wolf and Corni fructus, hot water extraction method is more efficient than ethanol extraction method. Poria cocos extracts were found to be a superior NO production inhibitory effect compared to Corni fructus extracts. In a neuronal cell viability assay using MPP+, the water extract of Poria cocos Wolf protected against MPP+-induced neurotoxicity than those of Corni fructus extract. It is considered to be a potential functional material with antioxidant, anti-inflammatory and neuronal protective effect against to oxidative stress according to the extract methods of extracting Poria cocos Wolf and Corni fructus.

본 연구는 열수와 에탄올 용매에 따른 복령 및 산수유 추출물의 농도별로 항산화 활성, 항염증 효과 및 신경세포 보호효과에 미치는 영향을 살펴보고자 진행하였다. 추출물들의 총 polyphenol 함량은 복령 열수 추출물에서 가장 높았고, 복령 에탄올 추출물, 산수유 열수 추출물, 산수유 에탄올 추출물 순으로 유의적으로 감소되는 경향을 나타냈다. DPPH 및 ABTS radical 소거 활성능은 추출물의 농도 의존적으로 증가하였고 산수유 열수 추출물은 모든 추출물에서 항산화 활성이 가장 높게 나타났으며, 복령 열수 추출물은 에탄올 추출물에 비해 높은 활성이 확인되었다. 복령과 산수유에 함유된 총 polyphenol과 항산화 성분을 추출하기 위해서는 에탄올 추출방법 보다는 열수 추출방법이 효과적인 방법이라고 사료된다. LPS로 염증이 유도된 RAW 264.7 세포에서 복령추출물이 산수유 추출물에 비해 NO 생성 억제 효과가 우수한 것으로 확인되었다. MPP+에 의해 유도된 SH-SY5Y 신경세포에 복령 열수 추출물은 산수유 열수 추출물에 비해 산화적 스트레스로부터 신경세포 보호효과가 우수하게 나타났다. 복령과 산수유 추출방법에 따른 항산화, 항염 및 산화적 스트레스로부터의 신경세포 보호효과를 갖는 기능성 소재로서 가능성이 있다고 사료된다.

Keywords

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