Extraction of Porphyran from Decolored Laver

변색김으로부터 porphyran의 추출

  • Kim, Seon-Jae (Faculty of Biotechnology and Food Industrial Technology Research Center, Mokpo National University) ;
  • Moon, Ji-Sook (Faculty of Biotechnology and Food Industrial Technology Research Center, Mokpo National University) ;
  • Kang, Seong-Gook (Faculty of Biotechnology and Food Industrial Technology Research Center, Mokpo National University) ;
  • Jung, Soon-Teck (Faculty of Biotechnology and Food Industrial Technology Research Center, Mokpo National University)
  • 김선재 (목포대학교 생물산업학부 및 식품산업기술연구센터) ;
  • 문지숙 (목포대학교 생물산업학부 및 식품산업기술연구센터) ;
  • 강성국 (목포대학교 생물산업학부 및 식품산업기술연구센터) ;
  • 정순택 (목포대학교 생물산업학부 및 식품산업기술연구센터)
  • Published : 2003.12.01

Abstract

The chemical properties of porphyran from dried laver (Porphyra yezoensis) and decolored laver were measured. Dried laver contained 12.5% porphyran while decolored laver contained 12.3%. The chemical components of porphyran extracted from dried and decolored laver were examined. The content of total sugar was 64.5% and 63.7% on dry base, respectively, while that of sulfate was 17.6% and 16.9%, respectively. The content of 3,6-anhydrogalactose was 18.8% and 18.1%, respectively.

건조김과 변색김의 탄수화물과 지방 및 회분함량은 거의 동일한 함량을 나타냈으나 단백질함량은 건조김이 더 높게 나타났다. 김의 chlorophyll과 carotenoids 색소는 95% 에탄올 농도에서 그 추출성이 크게 증가하는 경향을 나타냈으며, 변색김 보다 건조김에서 그 함량이 총 chlorophyll은 1.5배, 총 carotenoids는 10배정도 더 높게 나타났다. 건조김과 변색김의 비타민 C 함량은 건조김은 35.9 mg%, 변색김은 21.4 mg%를 나타내, 건조김이 변색 김보다 높게 나타났다. 총당은 건조김이 15.6%, 변색김이 15.2%를 나타내 거의 동일한 함량이 존재하였다. Crude porphyran의 함량은 건조김이 12.5%, 변색김이 12.3%를 나타내 건조김과 변색김으로부터 crude porphyran의 추출율은 거의 같은 수준으로 나타났다. 건조김과 변색김으로부터 얻어진 porphyran의 화학적 조성을 비교해 보면 crude porphyran의 총당 함량은 건조김 porphyran이 64.5%, 변색김 porphyran은 63.7%를 나타내어 각각의 crude porphyran의 총당은 거의 비슷한 함량임을 나타냈다. 황산기 함량은 총당 중에 황산기의 함량이 건조김 porphyran은 17.6%, 변색김은 16.9%을 나타내었고, 3,6-anhydrogalactose은 건조김 porphyran이 18.8%, 변색김 porphyran이 18.1%를 나타내어 거의 같은 수준의 화학조성을 갖고 있어 변색김으로부터도 포피란의 추출이 가능한 것으로 나타났다.

Keywords

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