Studies on Bioactive Substances and Antioxidant Activities of Marine Algae from Jeju Island

제주도 연안 서식 해조류에 대한 주요 활성성분 및 항산화효능 연구

Kim, Tae-Hee;Ko, Seok-Chun;Oh, Gun-Woo;Park, Hyeon-Ho;Lee, Dae-Sung;Yim, Mi-Jin;Lee, Jeong Min;Yoo, Jong Su;Kim, Chang-Soo;Choi, Il-Whan;Jung, Won-Kyo

  • Received : 2016.05.31
  • Accepted : 2016.06.24
  • Published : 2016.06.30


The objective of this study was to investigate the useful components and potential antioxidant activities of 30 marine algae, collected from Jeju Island in Korea. The contents of bioacitve substance of extracts from marine algae, such total polyphenol and carbohydrate, were determined. The extract of Distromium decumbens had the highest amount of total polyphenol content (21.27%), and that of Gracilaria incurvata Okamura had the highest amount of total carbohydrate content (10.18%). The antioxidant activities of extracts obtained from algae were tested through the evaluation of DPPH radical and hydroxyl radical scavenging activity. The extracts of Distromium decumbens, Sargassum hemiphyllum (Turner) C.Agardh, Sargassum serratifolium (C. Agardh) C. Agardh and Acrosorium yendoi Yamada were found to have more than 80% DPPH radical scavenging activity and that of Dictyota okamurae (Dawson) $H{\ddot{o}}tning$, Schnetter, et Prud'homme van Reine, Myagropsis myagroides (Martens ex Turner) Fensholt, Sargassum serratifolium (C. Agardh) C. Agardh and Cladophora wrightiana Harvey showed more than 50% hydroxyl radical scavenging activity. These results suggest that algae collected from Jeju Island would be good raw materials for antioxidant.


Algae;Antioxidant;Free radical scavenging


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Supported by : 해양수산부, 한국연구재단, 국립해양생물자원관