Korean Journal of Medicinal Crop Science (한국약용작물학회지)

The Korean Society of Medicinal Crop Science (한국약용작물학회)
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Antioxidant Activity of Momordica charantia L. Extracts

여주 추출물의 항산화 활성

  • Park, Yeol (Department of Biotechnology, Collage of Nature Science, Chosun University) ;
  • Boo, Hee-Ock (Department of Biology, Collage of Nature Science, Chosun University) ;
  • Park, Young-Lan (Department of Anatomy, Collage of Medicine, Chosun University) ;
  • Cho, Dong-Ha (School of Bioscience & Biotechnology, Kangwon National University) ;
  • Lee, Hyun-Hwa (Department of Biology, Collage of Nature Science, Chosun University)
  • 박열 (조선대학교 자연과학대학 생명공학과) ;
  • 부희옥 (조선대학교 자연과학대학 생물학과) ;
  • 박영란 (조선대학교 의과대학 해부학교실) ;
  • 조동하 (강원대학교 생명공학부) ;
  • 이현화 (조선대학교 자연과학대학 생물학과)
  • Published : 2007.02.28
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Abstract

This study was carried out to determine the antioxidant activity and vitamin C contents in plant extracts of the Momordica charantia L. The vitamin C was detected as the highest content in immature fruit (92.2 mg/100 g), while the content in stem (2.5 mg/100 g) was lower 40 times than that of immature fruit. Antioxidant activity for the dried sample was investigated by TBA method. The lowest TBARS values were obtained from extracts of dried leaf and followed by ascorbic acid and BHT, showing that the extracts from dried leaf possess the strongest antioxidant activity. Compared with fresh tissues, SOD activity, ATX activity and CAT activity were high level in the dried tissue. These results suggest that the Momordica charantia L. would be a promising antioxidant source as an alternative antioxidant, based on natural plant resources.

여주의 부위별 항산화 활성 및 비타민 C의 함량을 조사하였다. 각 부위별 비타민 C의 함량을 보면 미성숙과에서 92.2mg/100 g으로 가장 높게 나타났는데, 이는 줄기에서의 2.5mg/100 g 보다 40배 이상 높은 함량이다. 여주의 각 부위별 메탄올 추출물을 TBA 방법으로 항산화효과를 측정한 결과 잎 추출물에서 0,05로 가장 높은 항산화 효능을 나타냈으며, 이는 추출물이 ascorbic acid와 BHT보다도 항산화력이 우수함을 알 수 있었다. 또한 각 부위별 건조시료와 생체시료에서의 SOD, APX 그리고 CAT의 활성을 비교한 결과 건조시료인 경우가 생체시료에서보다 활성이 더 높게 나타났다. 이러한 결과들은 여주가 식물유래 천연 항산화제로서의 높은 가치를 지니고 있으며 앞으로 이에 대한 개발 가능성이 매우 높음을 시사해 주고 있다.

Keywords

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