Gelfiltration negative anion exchange column chromatography with high performance liguid chromatography system and plant hemagglutinin affinity chromatography were used for the isolation and purification of blood group substances from saliva.

• 方法：应用凝胶过滤、阴离子高速液相色谱及PHA亲合层析法，从人唾液中分离纯化血型物质。