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Title 

Characterization of an extracellular flocculating substance produced by a planktonic cyanobacterium, Anabaena sp.

Authors 

Chang Won ChoiSoon Ae YooIn Hye OhSang Ho Park

Publisher 

Springer Verlag (Germany)

Issue Date 

1998

Citation 

Biotechnology Letters, vol. 20, no. 7, pp. 643-646

Keywords 

alcian blueinorganic compoundinorganic saltmetalorganic compoundpolysaccharidesugaruronic acidanabaenacyanobacterium

Abstract 

Two planktonic cyanobacteria, Anabaena sp. N1444 and Anabaena sp. PC-1, and a green eukaryotic alga, Scenedesmus sp., produced extracellular flocculants. The flocculant of Anabaena PC-1, when purified, was found to be a macromolecular polysaccharide consisting of neutral sugars, uronic acids, and proteins, but not keto acids, hexosamines nor fatty acids. The flocculant bound a cationic dye, Alcian Blue, indicating it to be polyanionic. The flocculating activity was high under acidic conditions, slightly enhanced by the addition of salts and metals, and increased to about 40% upon heating at 100°C for 7 min. The flocculant could flocculated various inorganic and organic compounds in solution.

ISSN 

0141-5492

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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