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Comparison of Aquacultured and Wild Undaria pinnatifida Thalli for Evaluation of Eight Quality Standards

미역의 8가지 품질기준 설정을 위한 양식산 및 자연산 미역의 비교

  • Published : 2008.10.31

Abstract

Eight quality standards of the brown seaweed, Undaria pinnatifida were designed and evaluated with dry products collected from aquacultured and wild areas. Contents of n-3 fatty acids (stearidonic acid and eicosapentaenoic acid), anti-edema activity, and total carbohydrate were measured as functional criteria. Total bacteria and molds were counted for safety conditions. Amounts of a brown pigment fucoxanthin, debris, and moisture were measured to evaluate the visible status of the products. When the seaweeds were tested in 1 g dry weight basis, they showed n-3 fatty acids in the range of approximately 0.2-2.8 mg, total carbohydrate of 0.39-0.71 g, total bacteria of $10^{4-6}$ cells, mold of $10^2$ cells, fucoxanthin of 0.4-1.5 mg, and debris of 10-24 mg. Anti-edema activity was 0.03-0.47 AU at 40 mg/mL extract. Moisture content was 11.4-12.6%.

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