The panelist evaluated the odor and taste on a hedonic scale from 0 to 5, as follows: 5 ¼ typical characteristic in fresh
crustacean and 0 ¼ off-odor. The acceptability limit was considered below 2.5. Similarly, the melanosis was evaluated according to a scale from 0 to 5, where 5 ¼ no melanosis and 0 ¼ substantial black spots in the whole shrimp.