SPHENISCINES AND PEPTIDES ANTIMICROBIAL ANALOGS FOR FOOD PRESERVATION.

摘要

Peptide or an analogue of spheniscin that has an antimicrobial activity and that comprises three intramolecular bonds, and that responds to the following formula (II): ** (See formula) ** In which: - Xaa responds to the following formula: - Xaa1-Xaa2- (SEQ ID NO.2), in which Xaa1 represents a -NH2 group or a peptide moiety of 1 to 13 amino acids, and Xaa2 is Ser-Phe-Gly-Leu; - Xab responds to the following formula: -Xab1-Xab2-Xab3-Xab4-Xab5- (SEQ ID NO.3), and Xab3 represents a peptide moiety that responds to the following formula: -Xab3.1-Xab3.2- ( SEQ ID NO.4), - Xac responds to the following formula: -Xac1-Xac2-Xac3-Xac4- (SEQ ID NO.5), in which Xac2 is His or Arg - Xad with the following sequence: -Xad1- Xad2-Xad3-xad4-xad5-xad6-Xad7-Xad8-Xad9- (SEQ ID NO.6), in which Xad2 is Pro or Phe and Xad3 is Pro - Xae responds to the following sequence: -Xae1-Xae2-Xae3 -Xae4-Xae5- (SEQ ID NO.7), in which Xae2 is Gln or Arg and Xae5 is Gln; - Xaf responds to the following sequence: -Xaf1-Xaf2-Xaf3-Xaf4- (SEQ ID NO.8) and Xaf2 and / or Xaf3 is Val; and - Ca1, Ca2, Ca3, Ca4, Ca5 and Ca6, are sulfur amino acids.