Research Article
Comparative Study of Raw and Boiled Silver Pomfret Fish from Coastal Area and Retail Market in Relation to Trace Metals and Proximate Composition
Table 2
Effects of sampling location and boiling on trace metal concentration (in mg/kg) in the silver pomfret fish muscle.
| Trace metal (mg/kg) |
Fish from coastal area mean ± SD |
Fish from retail market mean ± SD |
World standard mg/kg | Raw | Boiled | Raw | Boiled |
| Copper (Cu) | 3.33 ± 1.19a | 3.55 ± 1.22a | 3.99 ± 0.42ab | 5.56 ± 1.99b | 10 (FAO/WHO, 1984) | Iron (Fe) | 98.02 ± 2.21a | 99.77 ± 4.05a | 79.47 ± 2.15b | 80.24 ± 3.46b | 300 (FAO/WHO, 1984) | Zinc (Zn) | 25.25 ± 0.29a | 24.82 ± 0.18bc | 24.4 ± 0.27c | 24.49 ± 0.46d | 150 (FAO/WHO, 1984) | Manganese (Mn) | 6.93 ± 1.21a | 6.29 ± 0.22b | 6.39 ± 0.43c | 6.21 ± 0.22d | 5.4 (FAO/WHO, 1984) | Cadmium (Cd) | 6.02 ± a | 6.03 ± 0.01b | 6.02 ± 0.003c | 6.02 ± 0.003d | 1 (FAO/WHO, 1984) | Lead (Pb) | 15.33 ± 0.07a | 15.34 ± 0.38a | 14.58 ± 0.19b | 14.38 ± 0.14b | 2 (WHO, 1985) | Chromium (Cr) | 13.51 ± 0.37a | 14.59 ± 1.26bac | 12.4 ± 0.57ca | 12.75 ± 0.55ca | 0.05 (FAO/WHO, 1990) | Arsenic (As) | 4.32 ± 0.73a | 4.89 ± 0.29a | 3.49 ± 0.10b | 3.51 ± 0.09cb | 5 (FAO/WHO, 2004) |
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Each replicate contained 3 treatment units. Mean values with different superscript letters are significantly different at and LSD values are at .
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