Elaeis

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For the Greek goddess of oil, see Elais

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"Oil palm" redirects here. For other uses, see List of plants known as oil palm.
Elaeis
File:Elaeis guineensis0.jpg
African Oil Palm (Elaeis guineensis)
Scientific classification
Kingdom:
Plantae
Order:
Arecales
Family:
Arecaceae
Subfamily:
Arecoideae
Tribe:
Cocoeae
Genus:
Elaeis
Species
Synonyms[1]

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Elaeis (from Greek, meaning "oil") is a genus of palms containing two species, called oil palms. They are used in commercial agriculture in the production of palm oil. The African oil palm Elaeis guineensis (the species name guineensis referring to its country of origin) is the principal source of palm oil, it is native to west and southwest Africa, occurring between Angola and Gambia. The American oil palm Elaeis oleifera (from Latin oleifer, meaning "oil-producing")[2] is native to tropical Central and South America,[3] and is used locally for oil production.

Description

Mature palms are single-stemmed, and can grow well over 20 m (66 ft) tall. The leaves are pinnate, and reach between 3–5 m (10–16 ft) long. The flowers are produced in dense clusters; each individual flower is small, with three sepals and three petals.

The palm fruit is reddish, about the size of a large plum, and grows in large bunches. Each fruit is made up of an oily, fleshy outer layer (the pericarp), with a single seed (the palm kernel), also rich in oil.

Species

The two species, E. guineensis and E. oleifera can produce fertile hybrids. The genome of E. guineensis has been sequenced, which has important implications for breeding improved strains of the crop plants.[4]

Commercial palm oil cultivation

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Main article: Palm Oil

Since palm oil contains more saturated fats than oils made from canola, corn, linseed, soybeans, safflower, and sunflowers, it can withstand extreme deep-frying heat and resists oxidation.[5] It contains no trans fat, and its use in food has increased as food-labelling laws have changed to specify trans fat content. Oil from Elaeis guineensis is also used as biofuel.

Human use of oil palms may date back about 5,000 years in coastal west Africa. Palm oil was also discovered in the late 19th century by archaeologists, in a tomb at Abydos dating back to 3000 BCE.[6] It is thought that Arab traders brought the oil palm to Egypt.[7]

Elaeis guineensis is now extensively cultivated in tropical countries outside Africa, particularly Malaysia and Indonesia which together produce most of the world supply. Palm oil plantations are under increasing scrutiny for social and environmental harm, particularly because rainforests with high biodiversity are destroyed, greenhouse gas output is increased, and because people are displaced by unscrupulous palm-oil enterprises. Especially in Indonesia, there is also growing pressure for palm oil producers to prove that they are not murdering rare animals in the cultivation process.[8]

See also

References

  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Collins Guide to Tropical Plants, ISBN 0-00-219112-1
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ http://www.npr.org/sections/goatsandsoda/2015/04/21/396815303/palm-oil-plantations-are-blamed-for-many-evils-but-change-is-coming
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