Table 2.
Biogenic amine content (mg/100 g muscle) of Penaeus monodon treated with Hypnea musciformis (HM) and Acanthopora muscoides (AM) during storage at 0 °C for 14 days.
| Group | Days | Try | Put | Cat | His | Tyr | Spd | Spn |
|---|---|---|---|---|---|---|---|---|
| Control | 0 | ND | ND | ND | ND | ND | ND | ND |
| Control | 4 | 1.61 ± 0.11 b | ND b | ND | ND | ND | ND | ND |
| HM | 2.89 ± 0.24 a | ND b | ND | ND | ND | ND | ND | |
| AM | 1.86 ± 0.12 b | ND b | ND | ND | ND | ND | ND | |
| Control | 7 | 2.52 ± 0.01 a | 1.84 ± 0.12 a | ND | ND | ND | 1.27 ± 0.11 a | ND |
| HM | 2.70 ± 0.07 a | 1.41±0.01 b | ND | ND | ND | ND b | ND | |
| AM | 1.32 ± 0.21 b | ND c | ND | ND | ND | ND b | ND | |
| Control | 11 | 9.13 ± 0.11 a | ND b | ND | 1.31 ± 0.09 a | ND | 3.49 ± 0.17 a | 1.57 ± 0.05 a |
| HM | 1.29 ± 0.03 b | 2.10 ± 0.60 a | ND | ND b | ND | ND b | ND b | |
| AM | 1.51 ± 0.10 b | ND b | ND | ND b | ND | ND b | ND b | |
| Control | 14 | 11.81 ± 0.41 a | 3.77 ± 0.14 a | 2.02 ± 0.12 a | 4.52 ± 0.10 a | 1.75 ± 0.06 a | 8.5 ± 0.13 a | 3.87 ± 0.06 a |
| HM | 1.97 ± 0.51 b | ND b | ND b | ND b | ND b | ND b | ND b | |
| AM | 1.16 ± 0.09 b | ND b | ND b | ND b | ND b | ND b | ND b |
Values presented are averages of three replicates ± standard deviation. Superscript letters denote significant differences (p < 0.05). C, control group (not treated with red seaweed extract); HM, shrimp muscle treated with Hypnea musciformis; AM, shrimp treated with Acanthophora muscoides; Try, tryptamine; Put, putrescine; Cad, cadaverine; His, histamine; Tyr, tyramine; Spd, spermidine; Spn, spermine; ND, not detected.