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
Castor Creek (Little River tributary) Miss Olla Mills, who later became Mrs. CC Young, died in 1901 and is buried in the Olla Cemetery. According to the Geographic Names Information System, Castor Creek has also been known historically as: Castor Creek (Little River tributary) Castor Creek or Bayou Castor is a tributary of the Little River in north-central Louisiana in the United States. Via the Little, Ouachita and Red rivers, it is part of the watershed of the Mississippi River. Castor Creek or Bayou Castor flows from a spring in northern Jackson Parish. Caney Lake in Jackson Parish is a main tributary of Castor Creek