The Korean Journal of Food And Nutrition (한국식품영양학회지)

The Korean Society of Food and Nutrition (한국식품영양학회)
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Phenolics Composition and Antioxidant Properties of Aster koraiensis Extracts with Different Ethanol Concentrations

에탄올 농도에 따른 벌개미취 추출물의 페놀성분 및 항산화 특성

  • 장귀영 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 이은숙 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 지윤정 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김형돈 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 강민혜 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 김금숙 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 최수지 (농촌진흥청 국립원예특작과학원 인삼특작부) ;
  • 이승은 (농촌진흥청 국립원예특작과학원 인삼특작부)
  • Received : 2021.10.17
  • Accepted : 2021.11.05
  • Published : 2021.12.31
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Abstract

Aster koraiensis Nakai (A. koraiensis) which has been used as a food and medicinal plant in the past, is valuable as functional food material. Therefore, the aim of this study was to determine the antioxidant properties and major phenolics of A. koraiensis extracts with different ethanol concentrations (0, 50, 70, and 100% aqueous ethanol solution). When ethanol concentration in the extraction solvent was increased, extraction yield decreased; 34.2, 23.2, 21.0, and 5.5% in 0, 50, 70, and 100% ethanolic extracts, respectively. Total phenolics content and antioxidant activities of extracts were increased in an ethanol concentration-dependant manner. The major phenolics in the extracts were chlorogenic acid (21.264~58.666 mg/g), isochlorogenic acid A (10.432~145.353 mg/g), and isochlorogenic acid C(0.239~13.148 mg/g), and these phenolic contents were higher in 70 and 100% ethanolic extracts than other extracts. Significant correlations were observed between ethanol concentration of extraction solvent, antioxidant properties, and major phenolics. These results indicated that the optimal ethanol concentration for extraction was 70%.

Keywords

Acknowledgement

본 연구는 농촌진흥청 원예특작시험연구사업의 지원에 의해 수행된 연구과제(과제번호: PJ01508902)의 일부 결과이며 이에 감사드립니다.

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