Table 4.

Molar ratios of the noncarbohydrate substituents in the LMW and HMW succinoglycan speciesa

SampleNoncarbohydrate molar ratios
PyrSucAc
Monomer11.430.71
Dimer11.400.70
Trimer11.250.70
HMW-SGb 10.930.70
  • a The ratios were determined from the integration of the acetyl (Ac), pyruvyl (Pyr), and succinyl (Suc) signals in the one-dimentional 1H-NMR spectra of the isolated succinoglycan species. The 1H-NMR spectra were recorded in D2O at 70°C.

  • b HMW succinoglycan.