hree kinds of novel cyclic isomaltooligosaccharides were isolated from the culture broth of a strain of Bacillus sp. T-3040, which had been isolated from soil. They were identified as cycloisomalto-heptaose, -octaose, and -nonaose, respectively, on the basis of their mass spectra, proton nuclear magnetic resonance spectra, carbon nuclear magnetic resonance spectra, infrared spectra, reducing power, and results of enzymatic analysis using endo-dextranase and exo-dextranase. They also showed features similar to cyclodextrins upon high-pressure liquid chromatography analysis using an ODS column.

• Compound ID: 6487
  

  Cyclic -6)-a-D-Glcp-(1-

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  Structure type: cyclic polymer repeating unit ; n=7-9
  Trivial name: dextran cycloisomaltaose
  Reference(s) to other database(s): GTC:G69605LY, GlycomeDB:2461
  
   
  
  Bacillus sp. T-3040
  CSDB ID 111234 (all data & tools)