Castoreum a tincture in some perfumes and as a food additive. The government of Ontario pays trappers to harvest beaver castor sacs. The sacs brought between 2.62 - 5.10 Canadian dollars per ounce when auctioned at the May–June 2016 North American Fur Auction. At least 24 compounds are known constituents of beaver castoreum. Some of these have pheromonal activity. These are the phenols 4-ethylphenol and 1,2-dihydroxybenzene (catechol) and the ketones acetophenone and 3-hydroxyacetophenone. Five additional compounds noted are 4-methyl-1,2-dihydroxybenzene (4-methylcatechol), 4-methoxyacetophenone, 5-methoxysalicylic acid, salicylaldehyde, and 3-hydroxybenzoic acid. Other neutral compounds are oxygen-containing monoterpenes such as 6-methyl-l-heptanol, 4,6-dimethyl-l-heptanol, isopinocamphone, pinocamphone, two linalool
Castor and Pollux from Sparta, at a shrine known as the "Meneláeion" where Helen, Menelaus, Castor and Pollux were all said to be buried. Castor himself was also venerated in the region of Kastoria in northern Greece. They were commemorated both as gods on Olympus worthy of holocaust, and as deceased mortals in Hades, whose spirits had to be propitiated by libations. Lesser shrines to Castor, Pollux and Helen were also established at a number of other locations around Sparta. The pear tree was regarded by the Spartans as sacred to Castor and Pollux, and images of the twins were hung in its