Patent ID: 7597904

Claim:
A metalloproteinases inhibitory agent comprising casein-derived peptides obtained by hydrolysis of casein by a food grade bacteria, wherein the agent is selected from the group consisting of isolated single-polypeptide-chain peptides set forth in SEQ ID Nos. 1, 3, 4, 5, 6 and 7, consisting of the amino acid sequence: (SEQ ID NO: 1) E-N-L-L-R-F-F-V-A-P-F-P-E-V-F, (SEQ ID NO: 3) N-E-N-L-L-R-F-F-V-A-P-F-P-E-V-F, (SEQ ID NO: 4) L-N-E-N-L-L-R-F-F-V-A-P-F-P-E-V, (SEQ ID NO: 5) E-N-L-L-R-F-F-V-A-P-F-P-E, (SEQ ID NO: 6) N-E-N-L-L-R-F-F-V-A-P-F-P-E, and (SEQ ID NO: 7) G-L-P-Q-E-V-L-N-E-N-L-L-R-F-F.