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Paubrasilia echinata is a species of flowering plant in the legume family, Fabaceae, that is endemic to the Atlantic Forest of Brazil. [4] [5] It is a Brazilian timber tree commonly known as Pernambuco wood or brazilwood [6] (Portuguese: pau-de-pernambuco, pau-brasil; [6] Tupi: ybyrapytanga [7]) and is the national tree of Brazil. [5]
The heartwood is used to produce dye for wool and cotton cloth and a pink colouring used in pharmaceuticals and toothpaste. The pigments hematoxylin and hematein can be extracted and are complex phenols similar to bioflavonoids. Extracts of hardwood chips are used as remedies by the Tarahumara Indians. [4]
Brazilwood or Brazil from Brazil, producing a red dye. Catechu or cutch from Acacia wood, producing a dark brown dye. [1] Old Fustic from India and Africa, producing a yellow dye. [2] Logwood from Belize, producing a red or purple dye. [3]
Brazilwood is a red-brown dye from either of two related trees. The original brazilwood, sappan wood (Caesalpinia sappan), is native to India and was exported to China by 900 BCE and to Europe via the Muslim world by the Early Middle Ages. Portuguese explorers discovered a similar tree growing in the New World and named the surrounding country ...
Aluminium mordants used with brazilin produce the standard red colors, while the use of a tin mordant, in the form of SnCl 2 or SnCl 4 added to the extract is capable of yielding a pink color. An alternative preparation which produces a transparent red color involves soaking the brazilwood powder in glair or a solution of gum arabic. Alum is ...
Brazilwood: has a dense, orange-red heartwood that takes a high red shine (brasa=ember), and it is the premier wood used for making bows for string instruments from the violin family. These trees soon became the biggest source of red dye , and they were such a large part of the economy and export of that country, that slowly it was known as Brazil.
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Brazilwood (Caesalpinia echinata) Buckeye, Horse-chestnut (Aesculus) Horse-chestnut (Aesculus hippocastanum) Ohio buckeye (Aesculus glabra) Yellow buckeye (Aesculus flava) Butternut (Juglans cinerea) California bay laurel (Umbellularia californica) Camphor tree (Cinnamomum camphora) Cape chestnut (Calodendrum capense) Catalpa, catawba (Catalpa)