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

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.

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