The preference test of cooked shrimps with various treatments
in Table 3 showed that the panelists did not indicate any color
difference in all samples including the control and the freshly
cooked product without freezing. Sensory scores in terms of
appearance, flavor and texture of the samples treated with glycine,
proline, lysine at 1.0 g/100 ml in combination with NaCl, NaCl alone,
and STPP were not different from those attributes of the control or
the freshly cooked product (p > 0.5). The results were consistent
with Conçalves and Ribeiro (2008) that phosphate can improve
sensory properties and increased consumer's preference in red
shrimp. However, some panelists had indicated a slight sweetness
after taste with glycine treatment. There were no significant difference
for all sensory attributes except that the arginine-treated