한국식생활문화학회지 (Journal of the Korean Society of Food Culture)

  • 제19권6호
  • /
  • Pages.691-700
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  • 2004
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  • 1225-7060(pISSN)
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  • 2288-7148(eISSN)
한국식생활문화학회 (Korean Society of Food Culture)
권호 표지

미역의 부위별 무기성분 및 알긴산 함량에 관한 연구

A Study on Mineral and Alginic acid Contents by Different Parts of Sea Mustards(Undaria pinnatifida)

  • Lee, Yeon-Jung (Department of Food service management and Culinary, Gyeongju University)
  • 발행 : 2004.12.31
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초록

미역을 엽상부, 줄기, 포자엽의 3부위로 구분하여 부위별 일반성분, 알긴산 함량 및 무기질 함량(다량 무기질. 미량무기질)을 분석한 결과, 수분은 엽상부(10.5%)에. 탄수화물과 조지방은 포자엽(탄수화물 45.3%. 조지방 4.2%)에. 조회분은 줄기(39.0%)에 많은 것으로 나타났다. 알긴산 함량은 25.9-32.2%이었고 불용성 알긴산이 수용성 알긴산에 비해 악 $2{\sim}3$배 많았다. 부위별로는 총알긴산은 포자엽(32.2%)에, 수용성알긴산은 엽상부(10.1%)에, 불용성 알긴산은 포자엽(27.7%)에 가장 많았다. 다량 무기질중 칼슘과 마그네슘은 엽상부(Ca 883.6 mg, Mg 1269.8 mg/100g D.W)에, 인, 칼륨, 황은 포자엽(P 680.5 mg. K 4508.0 mg. S 1287.4 mg/100 g D.W.)에, 나트륨은 줄기(6507.2 mg/100 g D.W.)에 가장 많았다. 미량 무기질중 철분, 아연, 망간은 엽상부(Fe 10.45 mg, Zn ,1.53 mg, Mn 0.71 mg/100 g D.W.)에, 크롬은 포자엽(0.14 mg/100 g D.W.)에, 알루미늄은 줄기(16.91 mg/100 g D.W.)에 가장 많았다. 칼슘:인의 비율은 엽상부와 줄기가 $1.7{\sim}1.8:1$이었다. 칼슘과 마그네슘의 존재형태는 소금물 가용성 분획인 단백질 펙틴과 결합한 것($Ca 62.1{\sim}68.9%,\;Mg\;89.6{\sim}92.1%$)이 가장 많았고 물에 가용성인 분회(F-I)은 엽상부>줄기>포자엽의 순으로 많았으며, 칼슘섭취에 있어 가장 문제가 되는 수산과 결합한 염산 가용성 분획(F-IV)은 포자엽>줄기>엽상부의 순으로 많게 나타났다.

This study was conducted to examine the proximate composition, alginic acid and mineral contents and the types of calcium and magnesium in the parts(frond, stipe, sporophyll) of sea mustards. Carbohydrates and the crude fat was the highest in sporophyll. The contents of alginic acid were $25.9{\sim}32.2%$. Total alginic acid(32.2%) and insoluble alginic acid in water(27.7%) was e highest in sporophyll. Calcium and magnesium was the highest in frond. Phosphorous, potassium and sulfur was the highest in sporophyll. Iron, zinc and mangane was the highest in frond. Ca/P ratio in frond and stipe was about $1.7{\sim}1.8:1$ levels. Calcium and magnesium soluble in sodium chloride was the highest in sea mustards. Calcium and magnesium soluble in water was the highest in frond. Calcium and magnesium soluble in hydrochloric acid was the highest in sporophyll.

키워드

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