TABLE 2.

Sugar composition of potato arabinogalactan and tetramer fraction obtained after partial degradation of galactan as described by Hinz et al. (16)

FractionMonosaccharidea composition (mol%)Carbohydrate contentb (%)Gal/Ara ratio
FucRhaAraGalGlcGalA
Potato galactan1.2 ± 0.26.5 ± 0.313.9 ± 0.265.8 ± 0.31.2 ± 0.011.3 ± 0.376.0 ± 2.64.7
Tetramer5.9 ± 0.194.1 ± 0.197.6 ± 3.616
  • a Fuc, fucose; Rha, rhamnose; Ara, arabinose; Gal, galactose; Glc, glucose; GalA, galacturonic acid.

  • b Expressed as wt/vol.