吃酱油会致癌？

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　　在讲究营养、卫生、保健的今天，黑乎乎的酱油，算不算是“保健”食品？吃了对身体健康有益还是有害？

　　美国学者进行了一项研究指出，酱油的主要成分是大豆所含的异黄酮，它可降低人体内的胆固醇，减少患心血管疾病的危险。研究还发现，亚洲国家食用酱油的比例较欧美国家高出30—50倍，而乳腺癌和子宫癌的发病率偏低，这可能与日常饮食中常加几滴酱油有关。

　　有趣的是，相隔没多久，英国也发表了一篇有关酱油的研究报告，这篇报告指出，在40多个酱油产品测试中，约有10个含过量致癌物质3—MCPD。研究者在对老鼠的试验中证明，长期摄入3—MCPD会致癌，但其对人体则不会构成危害。
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