Research Article

Models for Predicting Quality of Solar-Dried Shrimp (Penaeus vannamei) during Storage Based on Protein Oxidation

Table 2

Estimation of the order of quality change of dried shrimps by examining the regression coefficient (R2) and rate constant (k) from plots of zero-, first-, and second-order reactions.

IndicesTemperature (K)Initial value (B0)0 order, B versus time1st order, ln B versus time2nd order, l/B versus time
R2kR2kR2k

Moisture content (y1)29342.251 ± 0.5380.9833−0.59910.9950−0.01900.99510.0006
31042.251 ± 0.5380.7592−0.68510.8870−0.02900.94090.0014
ΔE (y2)2930 ± 0.0000.88720.4868
3100 ± 0.0000.86150.5026
TVB-N (y3)29310.480 ± 0.1870.99350.35650.98810.02320.9642−0.0016
31010.480 ± 0.1870.98780.51650.97890.02960.9408−0.0018
SH (x1)2937.092 ± 0.0360.9249−0.08500.9430−0.01600.94870.0030
3107.092 ± 0.0360.8298−0.08700.8900−0.01700.92650.0036
Carbonyl content (x2)2932.402 ± 0.040.96410.03980.96410.01330.9588−0.0045
3102.402 ± 0.040.96220.05240.79670.01520.7218−0.0045

Data are mean ± SD (n = 3).