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赖氨酸是人及动物所不能自身合成的八种必需氨基酸中最重要的一种氨基酸，也是人类食品或动物饲料中最易缺乏的一种氨基酸。试验表明，食品中添加0．2％－OS％的赖氨酸可使蛋白质的利用率由50％提高到历％以上，饲料中添加0．2％的赖氨酸可大大缩短禽畜的饲养期，提高其产蛋率
Lysine is the most important amino acid among the eight essential amino acids that can not be synthesized by humans and animals. It is also the most vulnerable amino acid in human food or animal feed. Experiments show that the addition of 0.2% -OS% lysine in food can increase the utilization of protein from 50% to over 12%, and the addition of 0.2% lysine to the feed can greatly shorten the breeding of livestock Period, improve their egg production rate