Polylysine (PLL) has a broad antibacterial spectrum and has broad application prospects in the field of food processing.

polylysine (pll), also known as poly-l-lysine hydrogen bromide, is polymerized from 25 to 30 lysine residues. its chemical formula is (c6h12n2o2)n.xhbr. it is an organic substance. polylysine appears as a white freeze-dried powder and has the characteristics of strong water solubility, high safety performance, good thermal stability, and broad antibacterial spectrum. it is widely used…