| 摘要 |
A periodontal bacterial growth inhibitor contains, as an active ingredient, at least an extract of Macaranga tanarius extracted from Macaranga tanarius using an extraction solvent containing an organic solvent. Alternatively, a periodontal bacterial growth inhibitor contains, as an active ingredient, at least one compound selected from nymphaeol-A, nymphaeol-B and nymphaeol-C. The periodontal bacterial growth inhibitor is used by, for example, blending it in an oral hygiene product and a food and drink. |
