Rheological properties of polysaccharides produced by a Zoogloea sp. |
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| Authors: | Jae-Hyuk Jang Seoung-Kwon Bae Dong-Jung Lim Bong-Jo Kim Jai-Yul Kong |
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| Institution: | (1) Laboratory of Aquatic Natural Products Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo, Japan;(2) Department of Food & Life Science, Kangwon Province University, Chunchon, Korea;(3) Faculty of Food Science & Biotechnology, Pukyong National University, Pusan, Korea;(4) Enzyme Laboratory Biological Function Division, National Food Research Institute, Tsukuba, Ibaraki, Japan |
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| Abstract: | A newly isolated marine bacterium, identified as Zoogloea sp., produced two different polysaccharides: one was water-soluble and the other was cell-bound. Both had non-Newtonian, pseudoplastic fluid behaviour and the solutions had low activation energies. The solutions of these polysaccharides showed rheological behaviour over a wide range of pH (2–12) and temperature (20–80 °C), and compatibility with NaCl. |
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| Keywords: | marine bacterium microbial polysaccharide non-Newtonian fluid pseudoplastisity Zoogloea sp |
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