中文摘要：

蛋白质是生命活动重要的物质基础，在人体及动物代谢和生长过程中起着重要的作用。面对蛋白质的危机，寻求一种高效、经济的蛋白来源迫在眉睫。叶蛋白即是一种不可多得的蛋白来源，而从叶蛋白的产量和品质来看，豆科牧草苜蓿是提取叶蛋白的首选原料。本文综述苜蓿中的营养成分及其在畜禽饲料与食品工业中的应用。

英文摘要：

Protein is a kind of basical materials in life, it plays an important role in metabolism. Due to the crisis of protein, it is necessary （LPC）just can size up. Alfalfa reviewed nutritional to look for an efficient and economical protein source. Leaf protein concertration is the best raw material for LPC in the yield and quallity of protein. The paper ents of alfalfa and application in feedstuff and food industries.