It was the first report that free amino aicid prepared from egg albumen by series of chemical treatments reacted with ZnSO4 and amino acid zinc was synthesized.

• 本文首次报道了以鸡蛋清为原料，经过一系列化学处理，变为游离氨基酸，再与硫酸锌反应，合成氨基酸锌。