Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Quality Factors and Functional Components in the Edible Seaweeds I. Distribution of n-3 Fatty Acids in 10 Species of Seaweeds by Their Habitats

식용 해조류의 품질구성요인과 그 기능성 성분 I. 서식지에 따른 10종 해조류의 n-3 지방산의 분포

  • 정보영 (통영수산전문대학 식품영양과) ;
  • 조득문 (동래여자전문대학 식품영양과) ;
  • 문수경 (통영수산전문대학 식품영양과) ;
  • 변재형 (부산수산대학교 식품영양학과)
  • Published : 1993.10.01
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Abstract

Total lipid contents from 10 species of marine algae(2 green, 5 brown, and 3 red algae) collected from different places in Korea were examined and their fatty acid compositions were compared among species and habitats. Total lipid(TL) was prominent in green laver(about 7.3~10.1%) of the green algae, in sea mustard and seaweed fusiforme(about 3.1~4.8%) of the brown algae and purple laver(about 4.9~6.4%) of the red algae. Sea mustard and seaweed fusiforme collected at Chungmu contained a relatively high level of TL than that at Yosu and Kijang. The TL content of purple laver showed the highest portion in that collected at Nakdong. Green algae comprised the majority of n-3 fatty acids(29.0~66.3%), which mainly consisted of 16 : 4(n-3) (or 16 : 3 (n-3)), 18 : 3(n-3) and 18 : 4(n-3). Brown algae accounted for a low level of n-3 fatty acids(17.9~36.5%) mainly 18 : 4(n-3), 18 : 3(n-3) and 20 : 5(n-3), whereas the brown algae contained a significant level of n-6 fatty acids(7.23~26.5%) such as 20 : 4(n-6) and 18 : 2(n-6). In the case of red algae, the n-3 fatty acids consisted mostly of 20 : 5(n-3) which scored 53% of polyenoic acids in purple laver collected at Nakdong. The proportion of n-3 fatty acids in algae belonging to the same species was higher in algae of high TL contents. Consequently, TL and n-3 fatty acid levels from the seaweeds studied in this paper were different from their habitats.

10종 해조류(녹조류 2종, 갈조류 5종, 홍조류 3종)의 n-3 지방산 조성을 우리 나라 남해안의 주요 서식지에 따라 비교하였다. 총지질(TL)은 녹조류 중에서는 파래(약 7~10%), 갈조류 중에서는 미역과 톳(약 3~5%), 그리고 홍조류 중에서는 김(약 5~6%)에서 각각 많았다. 미역과 톳의 TL함량은 충무에서 채취한 것이 기장 및 여수에서 채취된 것들보다 많은 경향이 있었으나, 파래의 경우에는 기장 및 연수에서 채취된 것에서 더 많았다. 녹조류는 16 : 4(n-3), 18 : 4(n-3) 및 18 : 3(n-3)과 같은 비교적 탄소수가 적은 n-3지방산(28.0~66.3%)이 풍부하였다. 갈조류는 녹조류에 비하여 적은 양의 n-3 지방산(17.9~36.5%)을 함유하였으나, n-6 지방산을 상당량 함유하였다. 홍조류의 n-3 지방산은 대부분 20 : 5(n-3) 지방산으로 구성되었으며, 특히 낙동에서 채취된 것이 53%의 20 : 5(n-3) 를 함유하였다. 이들 n-3 지방산의 함량은, 동일종에 속하는 해조의 경우, TL함량이 높은 종류에서 더 높은 경향을 보였다. 따라서 시험된 해조류는 TL함량과 n-3 지방산의 함량이 서식지에 따라 다른결과를 나타내었다.

Keywords

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