Catechol one of the main natural phenols in argan oil and is a component of castoreum, a substance from the castor gland of beavers, used in perfumery. It is also found in "Agaricus bisporus". Catechol moieties are also found widely within the natural world. Arthropod cuticle consists of chitin linked by a catechol moiety to protein. The cuticle may be strengthened by cross-linking (tanning and sclerotization), in particular, in insects, and of course by biomineralization. Catechols such as DHSA are produced through the metabolism of cholesterol by bacteria such as "Mycobacterium tuberculosis". Urushiols are naturally existing organic compounds that have the
UCPH School of Veterinary Medicine and Animal Science UCPH School of Veterinary Medicine and Animal Science The UCPH School of Veterinary Medicine and Animal Science (UCPH Vetschool) is part of the Faculty of Health and Medical Sciences at University of Copenhagen (UCPH) in Copenhagen, Denmark. Based at the university's Frederiksberg Campus in Frederiksberg and the Taastrup Campus in Taastrup on the outskirts of the city, the school originates in the Royal Veterinary and Agricultural University which was merged into UCPH in 2007. It is the only institution that trains veterinarian in Denmark. The programme is taught in two veterinary teaching hospitals, one at the Frederiksberg Campus and one