Metabolic syndrome improving agent

It can promote the decrease in accumulated fat, to provide the active ingredient derived from food. And chestnut astringent skin extract as an active ingredient, body fat reduction promoter, leptin production promoter, anorexigenic agents, PAI-1 production inhibitor, or an antithrombotic agent. Chestnut astringent skin extract is a natural component of the present invention can be used extremely safe body fat reduction promoter, leptin production promoter, anorexigenic agents, PAI-1 production inhibitors, or as antithrombotic agents. In particular body fat reduction promoter, since it has the effect of reducing the accumulated visceral fat, it is possible to directly eliminate obesity.