Mercury Levels in Fijian Seafoods and Potential Health Implications

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12 Table 2: Hg levels (range and average) in different fresh fish and shellfish from the Fiji Islands, with length and weight data where available. (note: n = number of samples, SD = standard deviation) Seafood Sample n Average Length (cm) Average Weight (kg) Range [Hg] (mg/kg) Average [Hg] (mg/kg) ± SD Albacore Tuna 31 72.7 21.3 0.03 – 1.01 0.34 ± 0.22 Yellowfin Tuna 24 71.3 15.2
[Hg] (mg/kg) 13 Figure 2: Mercury levels in albacore and yellowfin tuna versus fish weight and length [Hg] (mg/kg) 1.2 1 0.8 0.6 0.4 0.2 Total [Hg] Vs. the Length of Albacore Tuna y = -0.0054x + 0.7319 R 2 = 0.1308 0 0 50 100 150 Length (cm) 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 Canned fish Total [Hg] Vs. the Length of Yellowfin Tuna 0 0 50 100 150 Length (cm) y = 0.0021x - 0.0474 R 2 = 0.2563 [Hg] (mg/kg) 1.2 1 0.8 0.6 0.4 0.2 Total [Hg] Vs. Weight of Albacore Tuna y = -0.0038x + 0.4164 R 2 = 0.034 0 0 10 20 30 40 50 Weight (kg) [Hg] (mg/kg) Total [Hg] Vs. Weight of Yellowfin Tuna 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 y = 0.0034x + 0.0496 R 2 = 0.0593 0 0 20 40 60 Weight (kg) The summary of the results for the various canned fish is shown in Table 3 and Figure 3. Most of the canned fish had a reasonably similar mercury content of approximately 0.1- 0.2 mg/kg. None of the concentrations measured exceeded any of the WHO/FAO Codex guidelines.
Page 1 and 2: 1 Mercury Levels in Fijian Seafoods
Page 3 and 4: 3 Although a limited amount of anal
Page 5 and 6: 5 When consumed in food, methylmerc
Page 7 and 8: Purpose of the Study 7 The aim of t
Page 9 and 10: Analysis Methods 9 All analyses wer
Page 11: Results 11 The summary of the resul
Page 15 and 16: 15 which exceeded the 1 mg/kg WHO/F
Page 17 and 18: 17 where they are caught is no sure
Page 19 and 20: 19 Table 5: Levels of mercury for s
Page 21 and 22: Health Implications of Mercury Leve
Page 23 and 24: A Safe Consumption Level (g/week) B
Page 25 and 26: Recommendations 25 1. Further mercu
Page 27 and 28: References 27 ANZFA, (2001). Mercur
Page 29 and 30: 29 Kyle, J.H. and Ghani, N. (1981).
Page 31 and 32: Appendix RESULT SUMMARY FOR TOTAL M
Page 33 and 34: 33 92 Barracuda 45 0.41 Suva Market
Page 35: 174 Shark Steaks 17 0.84 175 Shark

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