| The Oil Palm Industries | The Oil Palm Plantations | |
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| The Palm | The Oil | |
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| Above : Cross section of an oil
palm fruitlet. The fruit comprises outer oily flesh (pericarp) (made up of exo-, meso- and endocarp) and an oil-rich kernel seed (endosperm). Pericarp - outer
oily flesh Elaeis guineensis is a tropical forest palm native to Africa. Grown in plantations it produces 3–8 times more oil from a given area. Oil (triacylglycerols) can be extracted from both the fruit and the seed, crude palm oil (CPO) from the outer mesocarp and palm-kernel oil from the endosperm. Traditionally, breeding of oil palm
has focused on :
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| Oil palm tree is an erect monoecious plant that produces separate male and female
inflorescences.
Oil palm is cross-pollinated and the key pollinating agent is the weevil, Elaeidobius kamerunicus Faust. In the past, oil palm was thought to be wind pollination and owing to the low level of natural pollination, assisted pollination is a standard management practice in plantations. However, this practice was discontinued following the discovery that oil palm was insect pollinated and the introduction of E. kamerunicus from the Cameroons, West Africa in 1982 (Syed et al, 1982). Harvesting commences about 24 to 30 months after planting and each palm can produce between eight to 15 fresh fruit bunches (FFB) per year weighing about 15 to 25 kg each, depending on the planting material and age of the palm (Plate 1). Each FFB contains about 1000 to 1300 fruitlets; each fruit let consists of a fibrous meoscarp layer, the endocarp (shell) which contains the kernel (Plate 2). Present day planting materials are capable of producing 39 tones of FFB per ha and 8.6 tones of palm oil and actual yields from good commercial plantings are about 30 tones FFB per ha with 5.0 to 6.0 tones oil (Henson. 1990). At the national level, the average FFB yield in 2001 was 19.14 tones while palm oil productivity was 3.66 tones per ha. Cultivars or races of E. guineensis can be differentiated by their fruit pigmentation and characteristics; the most common cultivars being the Dura, Tenera and Pisifera which are classified according to endocarp or shell thickness and mesocarp content.
1) Dura palms have 2-8mm thick endocarp and medium
mesocarp content (35%-55% of fruit weight) |
| The four palms that were planted in the Botanic Gardens in Bogor in 1848 were duras; their seeds were the origin of the famous Deli dura palms that were established in Deli district in Sumatra in 1881 (Hartley,1988). The Deli duras provided the foundation for development of planting materials used by the industry in Malaysia and other oil palm growing countries. As pisifera palms are predominantly female sterile, they cannot be exploited for commercial planting. They are instead used for crossing with the dura palm to produce the tenera (DxP) hybrid (Plate 3) after M. Beirnaert discovered the single gene inheritance of shell thickness in 1939 in the then Belgian Congo (Zaire) (Hartley, 1988). This discovery was the cornerstone for the industry and it paved the way for breeding and selection and production of high yielding DxP planting materials. |
| 1 | 2 | ||||||||||||
| African oil palm | American oil palm. | ||||||||||||
| Elaeis guineensis Jacq | Elaeis oleifera (H.B.K) Cortes | ||||||||||||
| Found in
Africa and is known as the African oil palm.
Commonly known as the oil palm is the most important species in the genus Elaeis which belongs to the family Palmae. Cultivars or races of E. guineensis can be differentiated by their fruit pigmentation and characteristics; the most common cultivars being the Dura, Tenera and Pisifera which are classified according to endocarp or shell thickness and mesocarp content.
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Found in
South and Central America and is known as the American oil palm.
Although significantly lower in oil-to-bunch content than its African counterpart, E. oleifera has a higher level of unsaturated fatty acids and has been used for production of interspecfic hybrids with E. guineensis.
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African Oil Palm - Elaeis guineensis
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An old African Oil Palm tree in
Malaysia -
An Elaeis guineensis standing alone by a Malaysian road side. On the distant background is the Palm Oil Mill (with 2 chimney) that process the fruits into crude oil for export. |
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| Uses of oil palm byproducts and biomass in food and manufacturing industries. |
| Crude
Palm Oil (CPO) from the outer mesocarp |
Palm-Kernel Oil from the endosperm |
| Most crude palm oil is used in foods | Most
palm-kernel oil is used in various non-edible products:
1) detergents |
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| INDEX : New Oil Palm | April 12, 2012 12:10:02 AM |
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