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

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Studies on Anion, Element, Chromaticity and Antioxidant Activities of Commercial Dried Lavers (Porphyra yezoensis) Cultivated in Korea

시판 건조김의 음이온, 원소, 색도 및 항산화 활성

  • Park, Wook-Min (Dept. of Marine Bio Food Science, Chonnam National University) ;
  • Kim, Kee-Woong (Dept. of Marine Bio Food Science, Chonnam National University) ;
  • Kang, Dong-Soo (Dept. of Marine Bio Food Science, Chonnam National University) ;
  • Bae, Tae-Jin (Dept. of Marine Bio Food Science, Chonnam National University)
  • 박욱민 (전남대학교 해양바이오식품학과) ;
  • 김기웅 (전남대학교 해양바이오식품학과) ;
  • 강동수 (전남대학교 해양바이오식품학과) ;
  • 배태진 (전남대학교 해양바이오식품학과)
  • Received : 2013.10.15
  • Accepted : 2013.12.04
  • Published : 2014.02.28
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Abstract

This study was carried out to provide basic data on the anion, element, chromatic and antioxidant activities of commercial dried lavers cultivated from Seocheon, Wando, Goheung and Busan in Korea. The highest concentrations of several anions ($Cl^-$, $NO_3{^-}$, $SO_4{^2-}$, and $PO_4{^3-}$ per 100 g of dried laver) were 412.00 mg in Wando, 545.90 mg in Goheung, 297.35 mg in Seocheon, and 79.70 mg in Wando, respectively. The highest concentrations of N, C, and S were 6.40%, 41.36%, and 0.98%, respectively, in dried laver cultivated from Wando. Hunter's color values were significantly high in the order of Seocheon < Goheung < Busan < Wando for lightness, Wando < Busan < Goheung < Seocheon for redness, and Goheung < Seocheon < Busan < Wando for yellowness in the dried lavers. Total phenolic content and DPPH (1,1-diphenyl-2-picryl-hydrazyl) radical scavenging activities showed highest values of 166.10 mg/100 g and 28.48%, respectively, in dried laver cultivated from Wando.

시판 건조김의 음이온, 원소, 색도 및 항산화 활성을 분석한 결과는 다음과 같다. 음이온 중에 $Cl^-$, $NO_3{^-}$, $SO_4{^2-}$, 및 $PO_4{^3-}$ 함량은 건조김 100 g당 완도 412.00 mg, 고흥 545.90 mg, 서천 297.35 mg 및 완도 79.70 mg으로 가장 높은 반면에 서천 260.34 mg, 서천 232.49 mg, 부산 199.97 mg 및 고흥 35.11 mg으로 가장 낮았다. 원소 N, C 및 S의 조성은 완도가 6.40%, 41.36% 및 0.98%로 가장 높은 반면에 서천이 6.04%, 37.86% 및 0.35%로 가장 낮았다. H의 조성은 서천 6.78%로 가장 높은 반면에 완도 6.52%로 가장 낮았다. 색도의 명도(L값)에서는 완도> 부산> 고흥> 서천의 순으로, 적색도(a값)에서는 서천> 고흥> 부산> 완도의 순으로, 황색도(b값)에서는 완도> 부산> 서천> 고흥의 순으로 산지에 따라 유의적 차이를 나타냈다(P<0.05). 페놀 화합물 함량은 건조김 100 g당 완도가 166.10 mg, 부산이 134.91 mg, 서천이 131.85 mg, 고흥이 122.41 mg의 순으로 높았고, DPPH 라디칼 소거능은 완도가 28.48%, 부산이 23.17%, 서천이 20.31%, 고흥이 18.96%의 순으로 높았고 산지에 따라 유의적 차이를 나타냈다(P<0.05).

Keywords

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