| abstract |
Provided are a collagen degradation inhibitor containing a crude drug as an active ingredient, and a therapeutic agent for periodontitis comprising the collagen degradation inhibitor as an active ingredient. In a method for screening a collagen degradation inhibitor, 1) suppress the contraction of the collagen gel, and / or 2) find a crude drug with a large amount of collagen remaining in the collagen gel in the screening, and use the crude drug as an active ingredient. And a therapeutic agent for periodontitis containing the collagen degradation inhibitor as an active ingredient. [Selection figure] None |