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Cashew nutshell liquid (CNSL) or cashew shell oil (CAS registry number 8007-24-7) is a natural resin with a yellowish sheen found in the honeycomb structure of the cashew nutshell, and is a byproduct of processing cashew nuts. As it is a strong irritant, it should not be confused with edible cashew nut oil.
Cardanol is a phenolic lipid obtained from anacardic acid, the main component of cashew nutshell liquid (CNSL), a byproduct of cashew nut processing. Cardanol finds use in the chemical industry in resins, coatings, frictional materials, and surfactants used as pigment dispersants for water-based inks.
Anacardic acids are phenolic lipids, chemical compounds found in the shell of the cashew nut (Anacardium occidentale). An acid form of urushiol, they also cause an allergic skin rash on contact, [1] known as urushiol-induced contact dermatitis. Anacardic acid is a yellow liquid.
The Goan cashew refers to the variety of the cashew fruit grown in the Indian state of Goa, which is one of the major cashew-growing Indian states. [1] In the entire state of Goa, the cashew crop spans approximately 55,302 hectares, yielding an estimated 27,070 tonnes annually. [2] Goa Kaju or Goa Caju are variations of the same name. [3] [4]
Semecarpus australiensis, commonly known as the tar tree, native cashew, marking nut, or cedar plum, is a species of tree in the cashew and mango family Anacardiaceae, native to parts of Melanesia and northern Australia. Contact with the plant can cause serious allergic reactions, a common characteristic of this family.
The oldest species of the genus Anacardium is Anacardium germanicum from the Eocene aged Messel Pit of Germany, well outside the current range of the genus. [2] They were present in the Americas by the Oligocene-Miocene, as evidenced by the species Anacardium gassonii from Panama.
Semecarpus anacardium, commonly known as the marking nut tree, Malacca bean tree, marany nut, oriental cashew, [2] dhobi nut tree and varnish tree, [3] is a native of India, found in the outer Himalayas to the Coromandel Coast. It is closely related to the cashew. [4]
Anacardium excelsum, the wild cashew, espavél or espavé, is a tree in the flowering plant family Anacardiaceae. The tree is common in the tropical and subtropical dry broadleaf forests of Pacific and Atlantic watersheds of Central and South America, extending as far north as Guatemala and south into Ecuador .