Beaver extinction in part for the production of castoreum, which was used as an analgesic, anti-inflammatory, and antipyretic. Castoreum was described in the 1911 British Pharmaceutical Codex for use in dysmenorrhea and hysterical conditions (i.e. pertaining to the womb), for raising blood pressure and increasing cardiac output. The activity of castoreum has been credited to the accumulation of salicin from willow trees in the beaver's diet, which is transformed to salicylic acid and has an action very similar to aspirin. Castoreum continues to be used in perfume production. Castoreum can be used as an enhancer of vanilla, strawberry and raspberry flavorings.
Solid perfume Solid perfume Solid perfumes or cream perfumes are perfumes in solid state rather than the liquid mix of alcohol (ethanol) and water used in eau de parfum, eau de toilette, eau de cologne, etc. Normally the substance that gives the cream its base comes from a type of wax that is initially melted. Once melted, a scent or several scents may be added. Solid perfume is used either by rubbing a finger or dipping a cotton swab against it and then onto the skin. Sometimes solid perfume can take more time for the deeper notes to come out than a