The plant pigment enrichment of chitosan membrane was discussed. the experiments showed that 2 % chitosan membrane has better enrichment on pigment of radish and that the decolourization was 84 % .

• 结果表明,2%25壳聚糖膜对萝卜红色素有较好的富集作用,富集程度(以脱色率表示)达84%25。