The carbohydrate portion is made of gala ctose, glucosam, fucose and sialic acid. 碳水化合物部分由半乳糖，葡糖胺，岩藻糖和唾液酸组成。
The extent of lectin positive stainings was corresponding with those of mucous histochemistry stainings.The contents of fucose and mannose were more than other carbohydrats. 胆囊与肝内胆管的凝集素受体表达存在一致性，阳性范围与粘液组织化学粘液染色区相对应，且均以岩藻糖及半乳糖含量最丰富。
