Hepama-1 concentration was above 2.50mg/ml by Bradford method, the area of mixed protein and polymer on the gel was less than 5% of total area of the isolated peak of immunoglubulin by SDS-PAGE electrophoresis.

• 经SDS-聚丙烯酰胺凝胶电泳及电泳胶扫描积分计算, 其杂蛋白及多聚体的面积小于蛋白分离峰总面积的 5%25;