Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Analysis of Biochemical Compositions and Nutritive Values of Six Species of Seaweeds

해조류 6종의 생화학적 조성 및 영양적 가치 분석

  • 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)
  • 김동균 (신라대학교 생명과학과) ;
  • 박종범 (신라대학교 생명과학과) ;
  • 이택견 (한국해양과학기술원 남해특성연구부)
  • Received : 2013.06.09
  • Accepted : 2013.08.07
  • Published : 2013.08.30
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Abstract

The biochemical compositions and nutritive values of six species of seaweeds were analyzed to determine their applicability in functional foods or ingredients. The biochemical compositions (moisture, ash, protein, lipid, and dietary fiber) and fatty acid contents were determined for the following seaweed extracts: Phaeophyceae (Laminaria japonica, Hizikia fusiformis, and Undaria pinnatifida), Rhodophyceae (Porphyra tenera and Gracilaria verrucosa), and Chlorophyceae (Ulva lactuca). The moisture content (% dry weight) ranged from 11.47% to 13.94%, ash from 19.15% to 26.50%, protein from 5.08% to 15.44%, lipid from 2.75% to 4.43%, and dietary fiber from 36.84% to 52.98%. C14:0, C16:0, C18:0, C16:1, C18: 1n-3, C18:2n-6, C18:3n-6, C20:4n-6, and C20:5n-3 represented the predominant proportions of fatty acids. Interestingly, docosahexaenoic acid (C22:6n-3, DHA) was either not found or only detected in trace amounts in the analyzed seaweeds. The levels of n-3 fatty acid were higher than other polyunsaturated fatty acids, and the n-6/n-3 ratio was very low. These results indicate that seaweed inhabiting Korean coastal areas will be beneficial to human health.

기능성식품 또는 첨가제로의 적용가능성을 확인하기 위하여 6 종 해조류의 생화학적 조성 및 영양학적 가치를 분석하였다. 갈조류(미역, 톳, 다시마), 홍조류(김, 꼬시래기) 및 녹조류(파래) 등 해조류의 생화학적 조성(수분, 회분, 단백질, 지질 및 식이섬유)과 지방산 함량이 분석되었다. 수분함량은 11.47-13.94%, 회분은 19.15-26.50%, 단백질은 5.08-15.44%, 지질은 2.75-4.43% 및 식이섬유는 36.84% to 52.98%로 나타났다. 주요지방산은 C14:0, C16:0, C18:0, C16:1, C18:1n-3, C18:2n-6, C18:3n-6, C20:4n-6 및 C20:5n-3이었다. 흥미롭게도 분석된 해조류에서 docosahexaenoic acid (C22:6n-3, DHA)는 검출되지 않았거나 미량 검출되었다. n-3 지방산 함량은 다른 PUFA에 비해 높았으며, n-6/n-3 비율은 매우 낮았다. 이러한 결과는 우리나라 연안에서 서식하고 있는 해조류가 인간 건강에 유익할 수 있음을 의미한다.

Keywords

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