How can bacteria give us fresh breath?

Since its discovery by Professor John Tagg at Otago University in New Zealand, the Streptococcus salivarius K12 bacteria has been applied as a probiotic solution to fighting bad breath.

The secret's in BLIS, or Bacteriocin Like Inhibitory Substance, a peptide that attacks and destroys bad bacteria.

What is it, and how does it work?

- AsiaOne Exclusive

Duration: 1 min 54 sec