Provided is a novel lactic bacterium capable of ameliorating metabolic syndrome by means of a novel screening method. Specifically disclosed are: a Lactobacillus which increases the production of adiponectin in 3T3 L1 cells and increases the production of an anti inflammatory cytokine in bone marrow derived dendritic cells and/or macrophage a culture of Lactobacillus and a processed product of said culture. Also disclosed are a composition for foods and a pharmaceutical composition which contain the aforementioned Lactobacillus culture or processed product.
