Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Antioxidant Activity of Ethanol Extracts from Horseweed (Erigeron canadensis L.) with Pretreatment Conditions

전처리조건에 따른 망초(Erigeron canadensis L.) 에탄올 추출물의 항산화활성

  • Woo, Koan-Sik (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Song, Seuk-Bo (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Oh, Byeong-Geun (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Seo, Myung-Chul (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Ko, Jee-Yeon (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Lee, Jae-Saeng (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Kang, Jong-Rae (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Nam, Min-Hee (Dept. of Functional Crop, National Institute of Crop Science, Rural Development Administration) ;
  • Jeong, Heon-Sang (Dept. of Food Science and Technology, Chungbuk National University)
  • 우관식 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 송석보 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 오병근 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 서명철 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 고지연 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 이재생 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 강종래 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 남민희 (농촌진흥청 국립식량과학원 기능성작물부) ;
  • 정헌상 (충북대학교 식품공학과)
  • Published : 2009.09.30
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Abstract

In order to investigate the potential characteristics of horseweed (Erigeron canadensis L.) recognized with weeds for the application to food industry, the antioxidative properties of horseweed were measured with total polyphenol, flavonoid, tannin, chlorophyll contests and antioxidant activities. Total polyphenol, flavonoid, tannin, and chlorophyll content were 63.32, 27.71, 161.19, and 428.85 mg/g in the extracts of fresh horseweed (FHE), respectively. The extracts of dry horseweed (DHE) on $40^{\circ}C$ for 48 hr were 89.25, 33.44, 210.44, and 229.29 mg/g, and the extracts of dry horseweed after blanching (BDHE) were 115.49, 45.51, 252.54, and 283.07 mg/g, respectively. $IC_{50}$ of EDA (electron donating ability, %) and AEAC (L-ascorbic acid equivalent antioxidant capacity) were 5.5527 mg/mL and 192.78 mg AA eq/g sample in the FHE, respectively. The DHE were 0.4710 mg/mL and 194.05 mg AA eq/g sample, and the BDHE were 0.4135 mg/mL and 242.40 mg AA eq/g sample, respectively. Horseweed, where the antioxidant activity is excellent, is thought to be potentially useful with foodstuffs.

망초의 항산화성분 및 활성 측정을 통하여 대표적인 항산화성분인 총 폴리페놀 및 플라보노이드, 탄닌, chlorophyll 함량과 DPPH radical 소거활성 및 ABTS cation decolorization assay에 의한 총 항산화력을 측정하였다. 생물 상태 망초 추출물의 총 폴리페놀, 플라보노이드, 탄닌 및 chlorophyll 함량은 각각 63.32, 27.71, 161.19 및 428.85 mg/g으로 나타났다. $40^{\circ}C$에서 열풍 건조한 시료의 경우 각각 89.25, 33.44, 210.44 및 229.29 mg/g으로 나타났으며, 끓는 물에 2분간 데친 후 48시간 $40^{\circ}C$에서 열풍 건조한 시료는 각각 115.49, 45.51, 252.54 및 283.07 mg/g으로 나타나 대체적으로 생물상태보다 함량이 높은 것으로 나타났다. 생물상태 망초 추출물의 전자공여능(EDA, %)의 $IC_{50}$은 5.5527 mg/mL, 총항산화력은 192.78 mg AA eq/g sample로 나타났다. $40^{\circ}C$에서 열풍 건조한 시료의 경우 각각 0.4710 mg/mL 및 194.05 mg AA eq/g sample로 나타났으며, 끓는 물에 2분간 데친 후 48시간 $40^{\circ}C$에서 열풍 건조한 시료는 각각 0.4135 mg/mL 및 242.40 mg AA eq/g sample로 나타나 대체적으로 생물상태보다 항산화활성이 높은 것으로 나타났다.

Keywords

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