However, people may use castoreum in niche products like bäversnaps, a Swedish liquor. In those cases, the unique ingredient is proudly advertised. The substance is harvested by trapping and killing beavers before removing their castor glands, which are dried and ground up. Alcohol extracts castoreum, a method similar to how vanilla extract is taken from plants.
Medicinal Uses
Surprisingly, sac discharge is a flexible therapy that has been used throughout history. It was used to heal stomach disturbances, fevers, and mental diseases, as well as to make soap and lotion. For a while, cigarettes contained it to enhance the naturally sweet odor. Castoreum includes salicylic acid, the pain-relieving component of aspirin. As disgusting as its origin may sound, this material has applications.
The discovery of castoreum came during the height of the fur trade, which almost wiped out the beaver population in North America and Eurasia. In fact, the species faced extinction in the 16th century in Europe and the 19th century in North America
How Beavers Use Their Sac Excretion
Of course, sac excretion is helpful for the beavers themselves. They use it to mark their territories, although the males in beaver families usually take charge of this task. They also use it to identify family members since each beaver’s sac scent differs. The substance also makes their tails and fur more slick and water-resistant.
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