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据近期的科学研究证明,吡喃酮衍生物曲酸(即5-羟基-2-羟甲基-1,4-吡喃酮)有一定的致癌性。日本官方已作出决定:禁止将曲酸用作食
According to recent scientific studies, the pyranone derivative kojic acid (ie, 5-hydroxy-2-hydroxymethyl-1,4-pyrone) shows some carcinogenicity. Japanese officials have decided: kojic acid is prohibited as food