The present invention relates to a novel use of xanthophylls, particularly astaxanthin and/or an ester thereof, for inhibiting tumor cell growth. Therefore, the present invention provides a method for preventing or treating cancers, comprising administering to a subject in need thereof a composition comprising a therapeutically effective amount of at least one type of xanthophyll.本發明係關於葉黃素,特別是蝦紅素及/或其酯之新穎用途,其係用於抑制腫瘤細胞生長。因此,本發明提供一種用於預防或治療癌症之方法,其包含向有需要之個體投予包含治療有效量之至少一種葉黃素的組合物。
