Assertion: vanillin | /r/HasProperty | worthless
Facets:
Source sentences:
text: If this known process for extracting vanillin from vanillin-containing, liquid substance mixtures is employed, then the disadvantage occurs that during the separation of the vanillin by means of lowering the pressure and/or raising the temperature the other concurrently extracted organic compounds are also partially separated, whereby the vanillin is so strongly contaminated as to be worthless.