Sodium alginate were degradated by the enzyme. It can be proved by TLC and ESI-TOF-MS that mono-uronic acid and DP of Alginic acid oligosaccharides between two to eight were contained.
The content of uronic acids decreased in the portions of pectin.
果胶部分的糖醛酸含量降低。
3
The content of uronic acids decreased in the portions of pectin, rose and then dropped in the portions of HC2, kept constant in the HC1 and cellulose portions (Fig. 2).