But The Limiting Aa的意思|示意

但其限制性氨基酸 Amino acid(AA) contents of protein powder prepared from scraps out of leather industry were determined, and compared with those of other animal protein commonly used in feed industry. The results indicate that leather scrap protein(LSP) is incomplete, its AA composition is of quite imbalance, but the limiting AA,lys and Met ,could supplement other animal protein. The biological value of LSP can be raised if it is properly mixed with other plant,animal protein or single AA.