Castoreum is very low, around 300 pounds, whereas vanillin is over 2.6 million pounds annually. Castoreum has been traditionally used in Sweden for flavoring schnapps commonly referred to as "Bäverhojt" (literally, "beaver shout"). Castoreum is also used to contribute to the flavor and odor of cigarettes. Medieval beekeepers used castoreum to increase honey production. Castoreum Castoreum is a yellowish exudate from the castor sacs of the mature North American beaver ("Castor canadensis") and the European beaver ("Castor fiber"). Beavers use castoreum in combination with urine to scent mark their territory. Both beaver sexes have a pair of castor sacs and a
Castor Bay the bay, running towards the south. A small bark and grass area with several large pohutukawa trees offering shelter compliments the beachfront and an extended coastline stretches out to the north towards Campbells Bay. Nearby John F. Kennedy Park contains old World War II bunkers that were used to survey the Hauraki Gulf and is accessible from Castor Bay by road (Beach Road) or by walkway (from the extended coastline to the north). The northern headland of Castor Bay is the site of an old Maori pā, Rahopara, that is believed to have been last inhabited and then abandoned in