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KMID : 1239920130070010022
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Nutrition Research and Practice
2013 Volume.7 No. 1 p.22 ~ p.25
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Effects of taurine on cadmium exposure in muscle, gill, and bone tissues of Carassius auratus
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Choi Kyung-Soon
Yoo Il-Su
Shin Kyung-Ok
Chung Keun-Hee
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Abstract
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This study was performed in order to investigate the effects of taurine on cadmium poisoning in muscle, gill, and bone tissues of wild goldfish. For this experiment, 80 wild goldfish were divided into four experimental groups: 0.3 mg/L of cadmium and 0 mg/L of taurine (Group I), 0.3 mg/L of cadmium and 20 mg/kg of taurine (Group II), 0.3 mg/L of cadmium and 40 mg/L of taurine (Group III), and 0.3 mg/L of cadmium and 80 mg/L of taurine (Group IV). The results were as follows: The cadmium concentration in muscle tissue of wild goldfish was 0.65-3.21 mg/kg wet wt in Group I, whereas it decreased in Group IV. Levels of cadmium in gill tissue of wild goldfish were 16.57-42.39 mg/kg wet wt in Group I, 15.23-43.01 mg/kg wet wt in Group II, 15.11-39.56 mg/kg wet wt in Group III, and 13.15-38.55 mg/kg wet wt in Group IV (P < 0.05), suggesting that the cadmium concentration decreased in the experimental groups compared to control. The cadmium concentration in bone tissue of wild goldfish after 28 days was 0.52-9.75 mg/kg in Group II, whereas it increased in Group III (P < 0.05). In conclusion, taurine may have a preventive effect against cadmium accumulation in biological tissues.
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KEYWORD
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Cadmium, wild goldfish, muscle, gill, bone
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