This paper compares zinc ions of the absorption by chitasan with by the compound of chitosan and ascorbic acid.The result shows that the compound can absorb can absorb more zinc ions.

• 通过壳聚糖直接吸附锌离子和将壳聚糖与抗坏血酸反应后再吸附锌离子的比较,表明:后者对锌离子的吸附率高。