| 摘要 |
<p>Food compositions, compositions for the oral cavity and medicinal compositions for preventing or treating periodontosis which contain (A) one or more components selected from among natural polyphenol-containing extracts, and (B) one or more components selected from the group consisting of vitamin C, vitamin E, vitamin A and β-carotene; and a method for preventing or treating periodontosis with the use of these compositions.</p> |
