| 摘要 |
<p>A description is given of the use of polyanionic and polyanionically-derivatised natural polysaccharides or non-derivatised natural polysaccharides for inhibiting alkaline phosphatase and of oral compositions for preventing bacterial plaque, which comprises (a) 0 to 10 % by weight of at least one linear molecularly dehydrated polyphosphate salt, and (b) 0.0001 to 5 % by weight of a polyanionic or polyanionically-derivatised natural polysaccharide.</p> |
