抄錄原話:
3、隔夜開水都不能喝?
把自來水燒開3~5分鍾,亞硝酸鹽和氯化物等有害物的含量最低,最適合人們飲用。
少喝隔夜開水:亞硝酸鹽在人體內可形成致癌的亞硝胺。有專家發現,開水中的亞硝酸鹽含量較生水為高。
抄錄原話:
3、隔夜開水都不能喝?
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