the cold water-insoluble d-fructans from strep . mutans strain bht and jc-1 have inulin-type structures consisting beta- ( 2 leads to 1 ) -d-fructofuranosidic linkages , with average repeating units of 8 and 27 sugar residues , respectively , whereas the water-soluble fructan from strep . salivarius strain hht has a levan-type branched structure consisting beta- ( 2 leads to 6 ) -d-fructofuranosidic linkages with an average repeating unit of 9 sugar residues .
C0016743
fructans
C0021936
inulin