the exudate from the castor sacs of the mature North American Beaver Castor canadensis and the European Beaver Castor fiber. Within the zoological realm, castoreum is the yellowish secretion of the castor sac in combination with the beaver’s urine, used during scent marking of territory
Used as “natural flavor” vanilla substitute in various foods and beverages.
added 2012-04-15T13:32:24Z by anders