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 France Animal welfare and rights in France Animal welfare and rights in France is about the treatment of and laws concerning non-human animals in France. France has moderate animal welfare protections by international standards. France passed its first animal protection law in 1850, though this law prohibited only public cruelty towards animals. In 1959 France issued a decree incriminating the mistreatment of domestic or captive animals. In 1976, France passed an animal welfare law which recognizes the sentience of domestic animals (making it one of the first countries to recognize animal sentience) and requires that alternatives to animal testing be used