SOLID PREPARATION CONTAINING POLYGONUM CUSPIDATUM EXTRACT FOR ORAL ADMINISTRATION AND HAVING IMPROVED STABILITY, AND PREPARATION METHOD THEREFOR

摘要

The present invention relates to a solid preparation, containing a polygonum cuspidatum extract for oral administration and having improved stability, and a preparation method therefor. A solid preparation prepared according to a preparation method of the present invention is excellent in tablet processing problems, hardness, friability and disintegration stability, and has effects of hardly decreasing the amount of an active ingredient exhibiting medicinal effects even when time passes and of maintaining an initial state as is since the solid preparation is not modified.