vegetable ivory การใช้

• Vegetable ivory is naturally white with a fine marbled grain structure.
• The principal use of the tagua palm is of the vegetable ivory of its seeds.
• A global antipathy to the trade in elephant ivory has led to renewed interest in the sustainable resource of vegetable ivory.
• A processing and trade center for the surrounding agricultural region, the city handles rice, sugarcane, fruits, balsa wood, and tagua nuts ( vegetable ivory ).
• It is sometimes called vegetable ivory, or tagua, and is the seed endosperm of the ivory nut palm commonly found in coastal rainforests of Ecuador, Peru and Colombia.
• Vegetable ivory stimulates local economies in South America, provides an alternative to cutting down rainforests for farming, and prevents elephants from being killed for the ivory in their tusks.
• International conservation organizations pay farmers for vegetable ivory in hopes that interest in the product will lead to resources being allotted for the protection of rainforests and the preservation of its flora.
• Many vegetable ivory buttons were decorated in a way that used the natural tagua nut colour as contrast to dyed surface, because the dye did not penetrate deeper than the very first layer.
• In the 19th century, Leeds was known for its textile manufacturing, including broadcloth, silk, and vegetable ivory buttons, as well as extensive manufacturing of farm implements and household goods.
• It is one of some 7 species of palm in the genus " Phytelephas ", all of which have been exploited for vegetable ivory or tagua from the seed or corozo nut.
• The Pati ( pah-chee ), the Dende ( den-day ), and the Piasava ( pee-ah-sava ) palm nuts are related to the Tagua nut of Africa, also known as vegetable ivory.
• As of 2007, these included a $ 1.50 tailpipe whistle, bullwhips, jumping beans, matreshka dolls from Russia, first-rate vegetable ivory carvings, goatskin imitation shrunken heads from Ecuador, and the usual run of Seattle souvenirs.
• The endosperm is a white hemicellulose material that is so hard it can be polished and carved like ivory . ( The plant's genus name " Phytelephas " means " elephant plant " . ) Three other species in this genus are sources of vegetable ivory as well.
• Given trade restrictions in elephant ivory as well as animal welfare concerns, ivory palm endosperm is often used as a substitute for elephant ivory today, and traded under the names vegetable ivory, palm ivory, " marfim-vegetal ", " corozo ", " tagua ", or " jarina ".
• The closely related " Ammandra decasperma " from Colombia, and " Aphandra natalia " from Ecuador, are also sources of vegetable ivory, but of inferior quality and therefore not commercially significant .'Phytelephas macrocarpa'translates to  elephant plant with'large fruit', the endosperm of the nut having the texture of elephant ivory, and consisting of large, thick-walled cells of two long-chain polysaccharides, mannan A and B.