Classification and Antioxidant Activities of Mangrove Plants in Weno Island, Micronesia

미크로네시아 웨노섬 서식 망그로브 식물의 분류 및 항산화 활성

  • Chung, Youngjae (Department of Life Science and Biotechnology, Shin Gyeong University) ;
  • Hwang, Jinik (South Sea Environment Research Department, Korea Institute of Ocean Science and Technology) ;
  • Suh, Sung-Suk (South Sea Environment Research Department, Korea Institute of Ocean Science and Technology) ;
  • Park, Mirye (South Sea Environment Research Department, Korea Institute of Ocean Science and Technology) ;
  • Kim, Donggiun (Department of Biological Science, Silla University) ;
  • Park, Jongbum (Department of Biological Science, Silla University) ;
  • Lee, Taek-Kyun (South Sea Environment Research Department, Korea Institute of Ocean Science and Technology)
  • 정영재 (신경대학교 생명공학과) ;
  • 황진익 (한국해양과학기술원 남해특성연구부) ;
  • 서승석 (한국해양과학기술원 남해특성연구부) ;
  • 박미례 (한국해양과학기술원 남해특성연구부) ;
  • 김동균 (신라대학교 생명과학과) ;
  • 박종범 (신라대학교 생명과학과) ;
  • 이택견 (한국해양과학기술원 남해특성연구부)
  • Received : 2014.08.11
  • Accepted : 2014.09.11
  • Published : 2014.09.30


Mangrove plants serve as a sink of heavy metals and contain phenolic compounds at a high level. Therefore, with mangrove plants, recent studies to develop phytoremediation and natural antioxidants have been conducted in the commercial and academic fields. In the present study, six mangroves in Weno Island of Micronesia were investigated for their phylogenetic relationship and antioxidant activities. First, to determine the phylogenetic relationship among them, rbcL (large subunit of ribulose-bisphosphate carboxylase), one of the chloroplast genes, was used as a molecular marker. According to the data, Xylocarpus, Sonneratia and Rhizophora showed close similarity but not Excoecaria. The levels of phenolic compounds in the bark were abundant in R. apiculata and X. granatum, accounting for 1.10 mM/mg, while R. stylosa and S. alba contained the low amounts, representing 0.73 mM/mg and 0.72 mM/mg, respectively (p<0.05). In addition, bark extracts from R. apiculata, X. granatum, X. moluccensis, and E. agallocha had high antioxidant activities through the DPPH radical scavenging activity and ABTS analysis, whereas S. alba showed the lowest activities. These results suggest that the bark of R. apiculata can be used as a good source for the development of natural antioxidants.


Supported by : 한국해양과학기술원


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