Microbe

12 h

24 h

Acetate

Propionate

Butyrate

Acetate

Propionate

Butyrate

Colonic microbiota

0.991b

0.966b

0.972

0.986

C. butyricum BCC-B2571

0.975

0.991

0.991

0.976

0.912

E. rectale DSM 17629

0.975