| 摘要 |
The present invention deals with a composition for evidencing bacterial plaque based on natural colorants comprising at least one concentrated solution of natural colorant selected from the group consisting of colorants extracted from the a<img id="CUSTOM-CHARACTER-00001" he="2.79mm" wi="1.44mm" file="US07182935-20070227-P00001.TIF" alt="custom character" img-content="character" img-format="tif"/>ai (Euterpe oleracea) and colorants extracted from urucum (Bixa orellana), in a pharmaceutically acceptable vehicle and, optionally, acceptable pharmaceutical additives. Preferentially, in the case of the a<img id="CUSTOM-CHARACTER-00002" he="2.79mm" wi="1.44mm" file="US07182935-20070227-P00001.TIF" alt="custom character" img-content="character" img-format="tif"/>ai solution, the concentration varies from 60 to 95% of concentrated extract, whilst for the urucum solution, the concentration varies between 56 and 90% of concentrated extract. Also preferentially, in solutions containing a mixture of the extracts, these will be present in a proportion that varies from 10:1 to 1:1.
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