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  • 标题:Rhodotorula mucilaginosa YR-2株によるマンナン生産性とその物理的性質
  • 本地全文:下载
  • 作者:滝田 潤 ; 板野 るり子 ; 森井 直也
  • 期刊名称:Journal of Applied Glycoscience
  • 印刷版ISSN:1344-7882
  • 电子版ISSN:1880-7291
  • 出版年度:2004
  • 卷号:51
  • 期号:3
  • 页码:255-257
  • DOI:10.5458/jag.51.255
  • 出版社:The Japanese Society of Applied Glycoscience
  • 摘要:

    The production and rheology of exomannan by the yeast Rhokotorula mucilaginosa YR-2 was studied. Cultures were incubated at 30°C in medium (sucrose: 100 g/L; ammonium sulfate: 20 g/L). Fermentation used a 10-liter fermentor aerated at 1 vvm, and 550 rpm. During culture, the pH was adjusted to 1.8 with ammonia solution. The maximum amounts of exopolysaccharide (7.8 g/L) and biomass (39.2 g/L) were obtained at 120 h. This mannan was much less viscous than other polysaccharides, and had excellent physical stability in terms of pH, freezing, and NaCl concentration.

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