Table 4: Physico-chemical results of frozen stuffed shrimp stored at -18ºC for 180 days.

Parameters Storage days
0 45 90 135 180
pH 6.40 ± 0.02 6.3 ± 0.1 6.5 ± 0.2 6.5 ± 0.2 6.2 ± 0.1
TVBN (mg/100g) 9.7 ± 0.2 10.1 ± 0.3 10.4 ± 0.3 10.0 ± 0.2 9.9 ± 0.2
TMA (mg/100g) 1.9 ± 0.1 2 ± 0.1 1.8 ± 0.1 1.7 ± 0.1 1.8 ± 0.1
T0 = time zero day; T45 = time 45 days; T90 = time 90 days; T135 = time 135 days; T180 = time 180 days; (mean ± SD, n = 3)