Comparable elution profiles were obtained for sample C2 (NMR: 59 % κ-units, 41 % ι-units, Fig. ). However, the intensities of the peaks corresponding to oligomeric ι-units, low molecular weight products after ι-carrageenase digestion, and polymeric compounds after κcarrageenase digestion were lower than for IC3. In contrast, higher intensities were observed for the peaks corresponding to oligo-and polymeric products derived from κ-units. This is most likely a result of the higher portion of κ-units in C2 compared to IC3. Therefore, the results from the enzymatic hydrolysis showed that C2 is largely composed of a κ/ι hybrid carrageenan with rather long blocks of ι-units and comparably shorter blocks of κ units.