Antioxidant Activity of Chinese Mung Bean

중국산 녹두의 항산화 활성

  • Jeon, Ki-Suk (Dept. of Food and Nutrition, Gachon University) ;
  • Xu, Yun-Long (Dept. of Food and Nutrition, Gachon University) ;
  • Park, Shin-In (Dept. of Food and Nutrition, Gachon University)
  • 전기숙 (가천대학교 식품영양학과) ;
  • 서윤룡 (가천대학교 식품영양학과) ;
  • 박신인 (가천대학교 식품영양학과)
  • Received : 2014.11.27
  • Accepted : 2015.04.15
  • Published : 2015.04.30

Abstract

The aim of this study was to investigate the applicability of Chinese mung bean as a natural antioxidant agent. This study evaluated the phenolic compounds content and antioxidative activity of methanol extract from Chinese mung bean. Antioxidative activities were measured by in vitro models such as 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, and 2,2-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid(ABTS) radical scavenging activity. The contents of total phenolics and total flavonoids of Chinese mung bean extract were $174.83{\pm}2.90GAE\;mg/g$ and $68.87{\pm}2.84QE\;mg/g$, respectively. The antioxidative activities of Chinese mung bean extract were significantly increased in a dose dependent manner on DPPH radical scavenging and ABTS radical scavenging(p<0.05). The concentration of Chinese mung bean extract that reduces the free radical ABTS about 50%($IC_{50}$) was 2.85 mg/mL. These results suggest that Chinese mung bean may have great potential as a natural antioxidant source linked with health benefits.

본 연구는 이용도가 높은 녹두의 국내 생산 부족으로 수입이 증가되고 있는 중국산 녹두의 천연 항산화성 소재로 활용시 기초자료를 제공하고자 하였으며, 녹두의 메탄올 추출물의 페놀성 화합물 함량과 in vitro 항산화 모델(DPPH 라디칼 소거능, ABTS 라디칼 소거능)을 통하여 항산화 활성을 측정하였다. 중국산 녹두 추출물의 총 페놀 및 플라보노이드 함량은 각각 $174.83{\pm}2.90GAE\;mg/g$$68.87{\pm}2.84QE\;mg/g$으로 나타났다. 중국산 녹두 추출물의 DPPH 라디칼 소거능과 ABTS 라디칼 소거능은 농도 의존적으로 유의적으로 증가하였으며(p<0.05), 초기 ABTS 라디칼의 50%를 소거하는데 필요한 농도($IC_{50}$)는 2.85 mg/mL로 나타났다. 이상의 결과로부터, 중국산 녹두는 페놀성 화합물이 풍부하며, 천연물 유래 항산화성 소재로서 활용 가능성이 높은 것으로 기대된다.

Keywords

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