PROBLEM TO BE SOLVED: To provide an activity inhibitor of glycerol-3-phosphate dehydrogenase which has high safety, is easily obtained, and is able to be used for a human being, and to provide a production inhibiting agent of a transcription factor PPARγ and C/EBPβ.SOLUTION: An activity inhibitor of glycerol-3-phosphate dehydrogenase composed of 1,5-D-anhydro fructose, and a production inhibiting agent of a lipogenesis transcription factor PPARγ and/or C/EBPβ are disclosed.COPYRIGHT: (C)2014,JPO&INPIT【課題】 安全性が高く、入手が容易でヒトへの利用が可能なグリセロール-3-リン酸デヒドロゲナーゼの活性阻害剤、転写因子PPARγやC/EBPβの産生抑制剤を提供すること。【解決手段】 1,5-D-アンヒドロフルクトースからなるグリセロール-3-リン酸デヒドロゲナーゼの活性阻害剤ならびに脂肪合成転写因子PPARγおよび/またはC/EBPβの産生抑制剤。【選択図】なし