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).
醛酸在果胶中的含量逐渐呈下降趋势，在HC2中的含量先升后降，而在HC1和纤维素中的含量变化不大；
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).
醛酸在果胶中的含量逐渐呈下降趋势，在HC2中的含量先升后降，而在HC1和纤维素中的含量变化不大；
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