PURIFICATION OF ANTIBACTERIAL PEPTIDE

摘要

PURPOSE:To provide a method for easily, massively and inexpensively producing a low mol.wt. lactoferrin from a hydrolysate solution obtained by hydrolyzing a lactoferrin compound. CONSTITUTION:In a method for purifying an antibacterial peptide from a hydrolysate solution obtained by hydrolyzing a lactoferrin compound, the hydrolysate solution is adjusted to a pH of <=5 and to a salt concentration of <=100mM and subsequently subjected to a peptide fractionation treatment using a polymer fractionation membrane to recover the antibacterial peptide having a low mol.wt.