한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제36권5호
  • /
  • Pages.474-479
  • /
  • 2003
  • /
  • 0374-8111(pISSN)
  • /
  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
권호 표지
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한국산 꼬시래기 (Gracilaria verrucosa)의 사분포자체와 배우체의 한천 수율 및 특성의 계절적·지역적 변화

Seasonal and Regional Variations of Agar Yield and Properties of Tetrasporophytes and Gametophytes in Korean Gracilaria verrucosa

  • 김영식 (군산대학교 해양명과학부) ;
  • 구재근 (군산대학교 해양응용공학부)
  • KIM Young Sik (Faculty of Marine Life Science, Kunsan National University) ;
  • KOO Jae-Geun (Faculty of Applied Ocean Science and Technology, Kunsan National University)
  • 발행 : 2003.10.01
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초록

The effect of season, life stages and harvesting sites on the yield and properties of agars extracted from Gracilaria verrucosa were determined. G. verrucosa were collected seasonally from November 2001 to August 2002 at Cheongsapo and Boryong, Korea. The plants were sorted Into the different life stages (tetrasporophytes and gametophytes) and dried at $60^{\circ}C.$ The yield, sulfate, protein, uronic acid and 3,6-anhydrogalactose of the agar were determined, and standard parameters of physical quality were measured. No differences were found in yield and properties of agars from the two different harvesting sites and from lift history phases. The yield of agar was maximum in summer $(17.3-20.0\%)$ and minimum in winter $(11.9-13.1\%).$ Maximum gel strength occurred in winter when the agar yield and sulfate content were low. Gel strength was negatively correlated with agar yleld. Seasonal variations in agar yield and its quality were discussed in a view to managing the exploitation of this resource.

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피인용 문헌

  1. Ultraviolet-A Blocking Effect and Antioxidant Activity of Gracilariopsis chorda Extract vol.43, pp.3, 2010, https://doi.org/10.5657/kfas.2010.43.3.277