The research of natural food preservatives has been in a very active state. Bacteriostatin is a kind of small molecular peptide or protein synthesized by ribosome 307 of eukaryote, which has bactericidal effect and is usually composed of 30-60 amino acids. It is a kind of very effective biological preservatives. Antimicrobial agents as food preservatives can be roughly divided into three categories: inoculating with bacteria producing antimicrobial agents; directly adding purified antimicrobial agents; using fermentation products of bacteria producing antimicrobial agents as additives.<br>
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