KSBB Journal

  • 제15권6호
  • /
  • Pages.658-663
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  • 2000
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  • 1225-7117(pISSN)
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  • 2288-8268(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
권호 표지

호염세균 [Haloarcular sp. EH-1] 카로테노이드 색소를 섭이한 무지개송어의 체색효과

Effect of Pigmentation on Rainbow Trout Fed Carotenoid Diets from Halophilic Bacteria [Haloarcular sp. EH-1]

  • 정영기 (동의대학교 미생물학과) ;
  • 최병대 (경상대학교 해양생물이용학부/해양산업연구소) ;
  • 강석중 (경상대학교 해양생물이용학부/해양산업연구소) ;
  • 김철우 (경상대학교 해양생물이용학부/해양산업연구소) ;
  • 김해윤 (동의대학교 미생물학과) ;
  • 정명주 (동의대학교 미생물학과)
  • 발행 : 2000.12.01
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초록

호염성 세균에서 추출한 색소를 사료에 일정량 혼합하여 사육시킨 무지개송어의 일반성분 조성 중 수분함량은 사육 4 주 후 77%, 8주 후 73% 내외였다. 조단백질의 함량은 4주 후보다 8주 후가 증가된 양상을 보였다. 조지방의 경우도 8 주 후 약간 증가하는 경향이었다. 그러나 무기질의 함량에는 큰 변화가 없었다. 무지개송어 육 중 카로테노이드 함량은 4 주 후 대조구에서 0.0223 mg/100g인 반면, 8주 후 pink구에 서는 0.1702 mg/100g으로 대조구에 비하여 색소 첨가구에서 의 함량이 높게 나타났다. 세균 색소추출물의 첨가구는 8주 후 0.1256, 0.1382 mg/100g으로, pink구나 우렁행이 껍질 색 소추출물구 0.1702, 0.1514 mg/100g에 비하여 색소함량이 다 소 낮았지만 색소침착올 저해하는 경향은 아니었다. 무지개 송어 육 중 축적되는 색소의 조성은 급이 되는 사료의 조성 에 따라 차이가 있지만 사육 4 및 8주 후 canthaxanthin의 함 량이 가장 높았으며, astaxanthin 챔가구는 zeaxanthin의 함량 이 가장 높았다. 그리고 표피 중의 색소 조성비는 급이 4 및 8주 후 P -carotene의 함량이 가장 높았고, canthaxanthin의 함 량은 낮아 육 및 표피 중의 색소침착은 급이되는 먹이의 카 로테노이드 조성에 따라 달랐으며, 세균 색소추출물의 첨가도 무지개송어 체색개선에 도움이 되는 것으로 나타났다.

This study is aimed at evaluating the pigmentation of rainbow trout with carotenoid extracts from halophilic bacteria during 8 weeks feeding. Proximate composition of the sample were analyzed. Moisture content was 77% and 73% after 4 and 8 weeks feeding, respectively. Crude protein and lipid content was slowly increased after 8 weeks feeding. But minerals content were not affected with the feeding period and constituents. Muscle carotenoids content of rainbow trout was 0.0223 mg/100g tissue in control group after 4 weeks, and 0.1702 mg/100g tissue in carophyll pink group after 8 weeks. The carotenoids pigmentation content of halophilic bacteria extracts fed group was 0.1256, 0.1382 mg/100g tissue after 8 weeks. It means that the carotenoids of bacteria extracts are a good material for fish pigmentation. The main components of rainbow trout muscle and integuments with these diets were canthaxathin,, zeaxanthin, and ${\beta}$-carotene.

키워드

참고문헌

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