Abstract
Lactiplantibacillus plantarum WB2719 and Lacticaseibacillus rhamnosus WB2804 were isolated from fermented foods. These strains were demonstrated probiotic traits and anti-adipogenic effects. These strains exhibited tolerance to artificial gastric conditions and adhesion activities to intestine cells. Furthermore, heat-treated L. plantarum WB2719 and L. rhamnosus WB2804 inhibited preadipocyte differentiation by modulating peroxisome proliferator-activated receptor-γ (PPAR-γ), CCAAT/enhancer binding proteins α (C/EBP-α), and fatty acid synthase (FAS) expression. In particular, heat-treated L. plantarum WB2719 decreased mitosis and exerted anti-obesity effects by inducing apoptosis. Therefore, this study proposes the potential commercialization of heat-treated L. plantarum WB2719 and L. rhamnosus WB2804 as novel food-derived anti-obesity materials in the expanding health-functional food sector.
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