Concentrations of total mercury and methylmercury in red snow crabs (Chionoecetes japonicus) caught off the coast of Japan
| Autor: | Kyohei Kiyota, Tetsuo Yamano, Sachiko Kakimoto, Takahiro Watanabe, Takuya Fujiwara, Keiji Kajimura, Masato Yoshimitsu, Kazuhiko Akutsu |
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| Rok vydání: | 2018 |
| Předmět: |
0106 biological sciences
Brachyura Population chemistry.chemical_element Food Contamination 010501 environmental sciences Aquatic Science Biology Oceanography Body weight 01 natural sciences Chionoecetes japonicus chemistry.chemical_compound Animal science Japan Animals Humans education Methylmercury 0105 earth and related environmental sciences Shellfish education.field_of_study 010604 marine biology & hydrobiology Mercury Methylmercury Compounds Snow Pollution Mercury (element) chemistry Consumer Product Safety |
| Zdroj: | Marine pollution bulletin. 145 |
| ISSN: | 1879-3363 |
| Popis: | The total mercury (T-Hg) and methylmercury (MeHg) concentrations in red snow crabs (Chionoecetes japonicus) caught off the coast of Japan were analyzed. The T-Hg concentration ranged from 0.03 to 0.56 mg/kg (mean: 0.21 mg/kg) in the raw muscle, and 0.02 to 0.74 mg/kg (mean: 0.27 mg/kg) in the boiled muscle. The MeHg concentration ranged from 0.04 to 0.54 mg/kg (mean: 0.20 mg/kg) in the raw muscle. The mean ratio of MeHg to T-Hg was 0.88. The crab body weight was found to significantly correlate with the concentrations of T-Hg (r = 0.488) and MeHg (r = 0.490) (p ≤ 0.01). For the general population in Japan, the intake of MeHg from eating red snow crab was estimated to be lower than 0.013 mg/week, which was less than one-sixth of the tolerable MeHg intake (0.08 mg/week). |
| Databáze: | OpenAIRE |
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