Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Isolation and Structure Elucidation of Radical Scavengers from Chrysanthemum boreale Makino

산국(山菊)의 자유라디칼 소거 물질 분리 및 동정

  • Han, Wan-Soo (Department of Chemistry, Natural Science College, Mokwon University)
  • 한완수 (목원대학교 자연과학대학 화학과)
  • Published : 2003.03.31
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Abstract

Two antioxidative compounds in Chrysanthemum boreale were isolated by a bioassay using a 2, 2-diphenyl-1-picrydrazyl(DPPH) free radical. They were identified as apigenin, linarin(acacetin-7-O-rutinoside) on the basis of $^1H\;and\;^{13}C-NMR$ and MS data. The DPPH radical scavenging activity$(RC_{50}:\;13.3{\mu}g)$ of apigenin was similar to that of ${\alpha}-tocopherol\;(12.1{\mu}g)$ and L-ascorbic acid$(13.1{\mu}g)$

천연물로부터 항산화 활성물질을 목적으로 DPPH 자유 라디칼 소거활성 검색법을 이용하여 검색을 실사하고, 유의한 활성을 나타낸 산국 메탄올 추출물로부터 2종의 화합물을 분리하고 기기분석을 이용하여 화합물 1과 2의 구조를 apigenin과 acacetin-7-O-rutinoside (Linarin)으로 동정하였다. 이들 화합물은 각각 13.3 및 $42.1{\mu}g$의 농도에서 DPPH 라디칼을 50% 소거하는 활성을 나타내었으며, 화합물 1은 양성 대조양물인 L-ascorbic acid $(RC_{50}\;=\;13.1{\mu}g)$에 비하여 강한 활성을 나타내었다.

Keywords

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