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
Animal welfare and rights in South Korea the lives, safety, and welfare of animals and to promote the emotional development of people so as to respect the lives of animals by providing for matters necessary to prevent cruelty to animals and to protect and manage animals appropriately". The law prohibits cruelty against vertebrates such as cattle, horses, pigs, dogs, cats, rabbits, chickens, ducks, goats, sheep, deer, foxes, and mink, but excluding fish, crustaceans, and other animals commonly used by humans. Cruelty includes killing an animal by a cruel method or in public or in the presence of an animal of the same species; injuring an animal with