The article introduces the biological functions and producation of ornithine in the world, including of breeding of mutant, questing for fermentation condition and industrializating production.

• 介绍了L-鸟氨酸的生物功能及发酵法生产L-鸟氨酸的过程及研究状况,包括产L-鸟氨酸的菌种,发酵条件的摸索及优化和国外L-鸟氨酸的工业化生产情况。