SDS-PAGE, two-dimensional electrophoresis apparatus and amino acid analyzer were used for systematic detection of protein in beer and in beer foam.

• 利用SDS-PAGE、双向电泳仪、氨基酸分析仪对啤酒和啤酒泡沫中蛋白进行了系统的检测,并探讨了泡沫活性蛋白的组成。