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美国科研人员发现,由于环境污染,在河虾和海虾等软甲壳类食物中含有浓度很高的五价砷化合物。这五价砷原本对人体无毒害,但在进食者服用维生素C片后,即会变为毒性剧烈的
American researchers found that due to environmental pollution, soft crustaceans such as shrimp and shrimp contain very high concentrations of pentavalent arsenic compounds. This pentavalent arsenic was originally nontoxic to the human body but became very toxic after taking vitamin C tablets