Anticariogenic use of 3,6-anhydro-L-galactose

The present invention relates to the use of anti-caries dihydro -L- galactose not 3,6, more particularly, to hydro--L- 3,6-galactose is not inhibit the growth of oral bacteria, and a carbon source consumption of the oral bacteria medicine, food, oral for dental caries, gingivitis, prevention, improvement or treatment of oral disease, such as gingivitis, oral mucosal ulcers, halitosis, or xerostomia caused in oral bacteria with anti-caries activity of inhibiting the production of acid by It can be used for hygiene agents.