Composition Analysis and Antioxidative Activity from Different Organs of Aster ciliosus Kitamura

부위별 개쑥부쟁이 (Aster ciliosus Kitamura)의 이화학적 성상 및 항산화 활성

  • Heo, Seong-Il (Division of Biotechnology, Kangwon National University) ;
  • Jin, Ying-Shan (Division of Biotechnology, Kangwon National University) ;
  • Sa, Jae-Hoon (Gangwon Research Institute of Health and Environment) ;
  • Shim, Tae-Heum (Gangwon Research Institute of Health and Environment) ;
  • Wang, Myeong-Hyeon (Division of Biotechnology, Kangwon National University)
  • 허성일 (강원대학교 생명공학부) ;
  • 김영선 (강원대학교 생명공학부) ;
  • 사재훈 (강원도 보건환경연구원 식의약품분석과) ;
  • 심태흠 (강원도 보건환경연구원 식의약품분석과) ;
  • 왕명현 (강원대학교 생명공학부)
  • Published : 2005.09.30

Abstract

In the present study, we investigated the mineral and metabolite composition and antioxidant activities in the flower, stem and root of Aster ciliosus Kitamura in order to detect biologically active substances and develop novel functional resources. The mineral and metabolite compositions differ significantly among the organ of Aster ciliosus Kitamura. The flower is composed of K as 827 mg/100g. while the stem and root are composed of Na as 654.64mg/100g and 771.70mg/100g, respectively. Contents of unsaturated fatty acids, such as oleic, linoleic, and linolenic acid, were higher than those of saturated fatty acid, such as palmitic acid in flower. The contests of phenolic compounds were measured at 285 nm using different solvents: 2.53 and 2.03 optical density (OD) in chloroform and 1.864 and 1.715 in ethanol extracts for the stem and root, respectively. Antioxidant activity was measured in 75% ethanol extracts: 41.3, 42.0 and $45.2\;{\mu}g/ml$ in stem, root and flower at $IC_{50}$ value, respectively. These results suggest that extracts from Aster ciliosus Kitamura can be potentially used as novel resources for antioxidant and biological active substances.

개쑥부쟁이의 생리활성 기능을 탐색하고 기능성 신물질을 개발하기 위하여 개쑥부쟁이의 부위별 즉, 꽃, 줄기, 뿌리로 나누어 화학성분, UV 흡광도 측정 및 항산화 활성을 조사하였다. 일반성분 분석은 부위별에 따라 다소 차이는 있으나 탄수화물 $73{\sim}81%$, 수분 $11{\sim}15%$, 조회분 $4{\sim}7%$, 조단백 $2{\sim}6%$, 조지방 $1{\sim}4%$ 순으로 나타났다. 주요 무기성분은 Ca, K, Na, P로 나타났으며, 꽃에서 K이 가장 많았으며, 줄기와 뿌리에서는 Na이 가장 많은 것으로 나타났다. 주요 지방산은 linoleic acid, palmitic acid, oleic acid, linolenic acid 으로 나타났으며, 포화 지방산$(27{\sim}40%)$에 비해 불포화 지방산$(59{\sim}72%)$이 높게 나타났다. 구성당은 총 4종이 분리동정되었는데, glucose가 줄기>꽃>뿌리 순으로 보여주었고, xylose, galactose, arabinose순으로 나타났다. 페놀성 화합물의 함량은 280 nm에서 흡광도를 측정 결과 뿌리와 줄기의 chloroform 추출물에서 가장 높았고, 꽃과 뿌리의 ethanol 추출물과 뿌리의 75% ethanol 추출물에서 높게 나타났다. 또한 카로티노이드계 화합물은 꽃의 ethanol 추출물에서, 줄기의 chloroform 추출물에서 높게 나타났다. 항산화 효과는 뿌리의 75% ethanol 추출물에서 가장 높았고, 뿌리의 ethanol 추출물과 꽃의 ethanol 추출물이 높은 항산화 효과를 나타내었다.

Keywords

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