Castoreum oxides and their acetates. Other compounds are: benzoic acid, benzyl alcohol, borneol, o-cresol, 4-(4'-hydroxyphenyl)-2-butanone, hydroquinone, phenol. All those compounds are gathered from plant food. It also contains nupharamine alkaloids and castoramine, and cis-cyclohexane-1,2-diol. In perfumery, the term castoreum refers to the resinoid extract resulting from the dried and alcohol tinctured beaver castor. The dried beaver castor sacs are generally aged for two or more years to mellowe. Castoreum is largely used for its note suggesting leather, typically compounded with other ingredients including top, middle, and base notes. Some classic perfumes incorporating castor are Emeraude, Chanel Antaeus, Cuir de Russie, Magie
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