ABSTRACT Protein hydrolysate of rebon shrimp (Acetes erythraeus) is a product produced from the breakdown of protein into simple peptides and amino acids through hydrolysis by enzymes, acids or bases. This product contains antioxidants and antibacterial compounds that can be used as preservatives. Saline tilapia (Oreochromis niloticus) is a very popular consumption fish, but this fish is e…