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 revered by the Romans, probably as the result of cultural transmission via the Greek colonies of Magna Graecia in southern Italy. An archaic Latin inscription of the sixth or fifth century BC found at Lavinium, which reads "Castorei Podlouqueique qurois" ("To Castor and Pollux, the Dioskouroi"), suggests a direct transmission from the Greeks; the word "qurois" is virtually a transliteration of the Greek word "κούροις", while "Podlouquei" is effectively a transliteration of the Greek "Πολυδεύκης". The construction of the Temple of Castor and Pollux, located in the Roman Forum at the heart of their city, was undertaken to fulfil a