Salicylaldehyde be prepared from the corresponding phenol by the Duff reaction, or by treatment with paraformaldehyde in the presence of magnesium chloride and a base. Salicylaldehyde was identified as a characteristic aroma component of buckwheat. It is also one of the components of castoreum, the exudate from the castor sacs of the mature North American beaver ("Castor canadensis") and the European beaver ("Castor fiber"), used in perfumery. Furthermore, salicylaldehyde occurs in the larval defensive secretions of several leaf beetle species that belong the subtribe Chrysomelina. An example for a leaf beetle species that produces salicylaldehyde is the red poplar leaf beetle
Animal welfare and rights in South Korea by the Ordinance of the Ministry for Food, Agriculture, Forestry, and Fisheries, such as stunning or gas. The government is to formulate and implement a comprehensive animal welfare plan every five years, including matters related to animal farming. Regarding animal testing, alternatives to animals must be considered, animals less sensitive to pain should be used where possible, anesthetics are required, and lost or abandoned animals which have served humans (e.g. guide dogs) must not be used. The law stipulates that Animal Experimentation Ethics Committees be created in facilities where animals are experimented on. In addition to the Animal Protection Act,