Why the heavy metal content in fish head is relatively high
40 years old
2018-06-22
In recent years, news such as "fish heads and shrimp heads are rich in heavy metals" has been frequently reported. Why is the heavy metal content in the fish head relatively high?
1 Answer These messages are for reference only
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BY Mamie Doris 2018-06-22In fact, some of the heavy metals discharged into the sea will be enriched in the body of seafood. The first contact with pollutants is settled shellfish, such as oysters, clams, etc., and the harmful substances in the tuna at the high end of the food chain are smaller than the small fish. There are more small shrimps or shellfish, and the fish head is a highly enriched part. Therefore, experts suggest that when eating shellfish seafood, it is best to eat only the muscle parts to remove the visceral mass; the fish should eat less fish heads, and the large fish have a heavier metal content than small fish (such as saury, croaker, sardine). Eat more if you have more.4
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