| abstract |
(57) Abstract: An oral composition comprising a combination of hyaluronic acid or a non-toxic salt thereof and an antioxidant. The oral composition of the present invention comprises a combination of hyaluronic acid or a salt thereof and one or more antioxidants, and suppresses the production of active oxygen from living organisms at the time of bacterial infection. It can be suppressed very effectively and is effective for prevention and treatment of periodontal disease. |