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231224s2008 xx |||||o 00| ||eng c |
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|a 10.1111/j.1529-8817.2008.00482.x
|2 doi
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|a eng
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|a Vauchel, Peggy
|e verfasserin
|4 aut
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|a DECREASE IN DYNAMIC VISCOSITY AND AVERAGE MOLECULAR WEIGHT OF ALGINATE FROM LAMINARIA DIGITATA DURING ALKALINE EXTRACTION(1)
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|c 2008
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|a Text
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|a Date Completed 05.04.2016
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|a Date Revised 04.04.2016
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a © 2008 Phycological Society of America.
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|a Alginates are natural polysaccharides that are extracted from brown seaweeds and widely used for their rheological properties. The central step in the extraction protocol used in the alginate industry is the alkaline extraction, which requires several hours. In this study, a significant decrease in alginate dynamic viscosity was observed after 2 h of alkaline treatment. Intrinsic viscosity and average molecular weight of alginates from alkaline extractions 1-4 h in duration were determined, indicating depolymerization of alginates: average molecular weight decreased significantly during the extraction, falling by a factor of 5 between 1 and 4 h of extraction. These results suggested that reducing extraction time could enable preserving the rheological properties of the extracted alginates
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|a Journal Article
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|a Laminaria digitata
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|a alginate
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|a alkaline extraction
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|a average molecular weight
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|a depolymerization
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|a intrinsic viscosity
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|a Arhaliass, Abdellah
|e verfasserin
|4 aut
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|a Legrand, Jack
|e verfasserin
|4 aut
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|a Kaas, Raymond
|e verfasserin
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|a Baron, Régis
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 44(2008), 2 vom: 14. Apr., Seite 515-7
|w (DE-627)NLM098182994
|x 1529-8817
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|g volume:44
|g year:2008
|g number:2
|g day:14
|g month:04
|g pages:515-7
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