Antioxidant Activity of Ethanol Extracts of Non-Edible Parts (stalk, stem.leaf, seed) from Oriental Melon

참외 비식용부위(꼭지, 줄기.잎, 씨) 에탄올추출물의 항산화 활성

  • Kim, Hye-Suk (Department of Horticulture, College of Agriculture and Life Science, Kyungpook National University) ;
  • Kang, Young-Hwa (Department of Horticulture, College of Agriculture and Life Science, Kyungpook National University)
  • 김혜숙 (경북대학교 농업생명과학대학 원예학과) ;
  • 강영화 (경북대학교 농업생명과학대학 원예학과)
  • Received : 2010.10.04
  • Accepted : 2010.10.18
  • Published : 2010.10.30

Abstract

In order to elucidate the antioxidant potential of non-edible parts of oriental melon, antioxidant activities and total phenolic compound contents of six samples including peel, placenta, stem leaf, flesh and seed were determined. Antioxidant activities were evaluated using in vitro DPPH, ABTS, FRAP, and SOD assay. Among non-edible parts of oriental melon, stalk showed the highest antioxidant activity and its antioxidant potential increased significantly in a dose-dependent manner. The contents of total phenolic compound were also higher than other parts. The relationship between antioxidant activities and the contents of total phenolic compound were analyzed and showed higher correlation coefficients between ABTS radical scavenging activity and contents of total phenolic compound. The above results suggest that the stalk of oriental melon may have potential as a good source for functional material.

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