Fig. 1. Viability of cultured RAW 264.7 cells with the eight species of sonicated Bifidobacterium extracts and viable bifidobacteria.

The cells were treated with 10% (v/v) sonicated Bifidobacterium extracts for 24 h. Cell viability was performed by an MTT assay. con: control; lac: B. lactis; bif: B. bifidum; bre: B. breve; cat: B. catenulatum; den: B. dentium; lon: B. longum; inf: B. infantis; psc: B. pseudocatenulatum. Values are represented as the mean ± S.D.