Acerola Fruit as a Possible Antimelanotic Agent in White Shrimp (Litopenaeus vannamei)
Table 2
Results (mean ± SD) from TVB-N, TMA, and pH analyses on samples of white shrimp (L. vannamei) packaged in air and stored at 5 ± 1°C for 21 days.
Days
TVB-N (mg N 100 g−1)
TMA (mg N 100 g−1)
pH
Group C
Group M
Group A
Group C
Group M
Group A
Group C
Group M
Group A
0
24.7 ± 3.05
29.5 ± 3.05
23.9 ± 4.14
2.3 ± 0.49
2.7 ± 1.21
2.4 ± 0.54
6.19 ± 0.11
6.13 ± 0.14
6.32 ± 0.21
3
24.1 ± 1.74
24.2 ± 1.86
24.3 ± 0.34
1.5 ± 1.02
1.8 ± 0.62
1.5 ± 0.89
7.67 ± 0.07
7.59 ± 0.04
7.54 ± 0.05
6
23.9 ± 0.46
26.1 ± 2.03
24.4 ± 4.59
2.2 ± 0.18
2.0 ± 0.31
1.5 ± 0.07
7.88 ± 0.08
7.94 ± 0.13
8.15 ± 0.12
9
23.1 ± 0.46
27.7 ± 0.46
24.9 ± 1.40
2.3 ± 0.78
1.0 ± 0.07
1.5 ± 0.27
7.80 ± 0.10
7.65 ± 0.14
7.71 ± 0.13
12
24.9 ± 0.80
29.8 ± 5.28
26.9 ± 0.46
1.8 ± 0.47
1.1 ± 0.14
1.7 ± 0.38
7.74 ± 0.01
7.75 ± 0.07
7.70 ± 0.08
15
23.8 ± 3.49
29.0 ± 4.21
28.3 ± 4.84
2.4 ± 0.39
1.4 ± 0.33
1.4 ± 0.27
7.87 ± 0.03
7.97 ± 0.02
7.83 ± 0.31
18
22.6 ± 7.69
28.2 ± 9.77
29.8 ± 9.30
3.0 ± 0.74
1.5 ± 0.54
1.1 ± 0.20
8.01 ± 0.11
8.20 ± 0.15
7.97 ± 0.24
21
25.6 ± 1.73
33.6 ± 1.66
30.2 ± 1.68
1.5 ± 0.58
0.9 ± 0.41
2.1 ± 0.89
7.62 ± 0.07
7.74 ± 0.10
7.72 ± 0.06
C: control samples; M: 1,25% metabisulphite samples; A: acerola samples. Means ± SD with the same letters in each column do not differ significantly at the 5% level ().
