Experiment 1: Duck egg white protein has a poor ability to promote growth in young rats as compared with proteins of pidan egg white and hen egg white.

• 动物实验一，以鸡蛋卵白、鸭蛋卵白、没煮皮蛋卵白及煮过皮蛋卵白比较出皮蛋卵白之蛋白质品质。