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Effects of Hydrolysis Time on the Molecular Weight Distribution of Alginates Prepared from Sea Tangle Laminaria japonicus

유병진|임영선
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)|2005.09|Fisheries and Aquatic Sciences|제8권 제3호|pp. 113-117

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참고문헌

주제분류수산학

초록

Abstract

To prepare oligouronic acids from high-molecular-weight alginates, sea tangle Laminaria japonicus alginates were hydrolyzed at 80°C for various hydrolysis times (HT). The effects of hydrolysis time on the distribution ratios (DR) of the molecular weights (MW) of the hydrolyzed alginates were in-vestigated. As HT increased, the DR of the alginates with MW>500 kDa decreased ex-ponentially, while those with MW=50-100 kDa or MW<50 kDa increased exponentially. For MW=300-500 kDa, DR increased exponentially until HT reached 60 min, and then decreased exponentially. Similarly, for MW=100-300 kDa, DR increased exponentially until HT reached 90 min, and then decreased.

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