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보리수나무 열매, 잎 및 줄기 에탄올 추출물의 함유성분 분석과 간암 세포 증식억제 효과

김민주;임종순;양선아
Kim, Min-Ju;Lim, Jong-Soon;Yang, Seun-Ah

  • 투고 : 2016.03.03
  • 심사 : 2016.03.31
  • 발행 : 2016.06.30

초록

경남 합천 일대에서 재배된 보리수나무(Elaeagnus umbellata Thunb.)의 생리활성을 부위별(열매, 잎, 줄기)로 평가한 결과는 다음과 같다. 항산화 특성을 측정한 결과, 총폴리페놀 함량이 높게 나타난 줄기(829.6 mg/g) 에탄올 추출물에서 DPPH 라디칼 소거능($EC_{50}=54.04{\mu}g/mL$)이 가장 우수하였다. 유리 아미노산 분석에서는 잎(6,179.12 mg/100 g) 에탄올 추출물이 열매(378.88 mg/100 g)와 줄기(1,211.69 mg/100 g) 에탄올 추출물보다 유리 아미노산 함량이 높았으며, 열매의 proline, 잎의 asparagine 및 줄기의 GABA가 대표적인 유리 아미노산인 것을 확인하였다. LC-MS/MS를 이용한 주요 페놀 성분 분석에서는 잎 에탄올 추출물에서 gallic acid, 줄기 에탄올 추출물에서 catechin의 함량이 가장 높았으며, HepG2 cell과 Chang cell의 암세포 증식억제 효과를 측정한 결과 잎 에탄올 추출물이 HepG2에 특이적으로 높은 억제 활성이 나타났다. 향후 보리수나무를 국내 우수 자원으로 활용하기 위해서는 추가로 다양한 암세포에 대한 활성 차이, 부위별 활성 물질의 구명 및 작용 기전 등에 대한 계속된 연구가 수행되어야 할 것이다.

키워드

Elaeagnus umbellata Thunb.;antioxidant;free amino acids;phenolic compounds;antiproliferation Received

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