Adjusting pH of lysine and arginine to 8.7 could improve the color of the freeze-thawed shrimp and indicated thawing yield 104.71, 103.06, and cooking yield, 96.77, 96.26 g/100 g fresh shrimp comparable to those of STPP which were 104.75 and 99.87 g/100 g fresh shrimp, respectively.