Santalum album

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Santalum album
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Santalales
Family: Santalaceae
Genus: Santalum
Species:
S. album
Binomial name
Santalum album
The light green calyx gradually turns dark red. Some calyces have four sepals and some have five.

Santalum album, or Indian sandalwood, is a small tropical tree, and the traditional source of

alpha santalol content, but due to lack of sizable trees it is no longer used for fine woodworking
as before. The plant is long-lived, but harvest is only viable after many years.

Description

Hyderabad, India
.

Santalum album is an evergreen tree that grows between 4–9 metres (13–30 feet).

lanceolate in shape. Glabrous surface is shiny and bright green, with a glaucous pale reverse. Fruit
is produced after three years, viable seeds after five. These seeds are distributed by birds.

A ripened fruit of Santalum album from Panchkhal Valley, Nepal.

Taxonomy

History

Santalum album has been known for four thousand years by its Sanskrit name chandana. The first extraction of its essential oil occurred in Mysore, India in 1917. For many years, the oils were extracted in the perfumeries at Grasse, France. Production is now controlled by the Indian state, and demand exceeds supply.[5]

Nomenclature

See also: Sandalwood

The nomenclature for other "sandalwoods" and the taxonomy of the genus are derived from this species' historical and widespread use. Etymologically it is derived from Sanskrit chandanam, meaning "wood for burning incense", and related to candrah, meaning "shining, glowing".[6]

Santalum album is included in the family

Prodromus Florae Novae Hollandiae (1810) was described as a synonym of this species by Alex George in 1984.[8]
The epithet album refers to the "white" of the heartwood.

The species was the first to be known as sandalwood. Other species in the genus Santalum, such as the Australian S. spicatum, are also referred to as true sandalwoods, to distinguish them from trees with similar-smelling wood or oil.

Phytochemistry

Sandalwood oil consists of about 80% α-

host defense are present in S. album.[10][11]

Distribution

Santalum album is indigenous to the tropical belt of the peninsular India, eastern Indonesia and northern Australia.[12][13] The main distribution is in the drier tropical regions of India and the Indonesian islands of Timor and Sumba.[14] There is still debate as to whether S. album is native to Australia and India or was introduced by fishermen, traders or birds from southeast Asia centuries ago.[15][16]

Sandalwood is now cultivated in India, Sri Lanka, Indonesia, Malaysia, the Philippines and Northern Australia.

Habitat and growth

S. album occurs from coastal dry forests up to 700 metres (2,300 ft) elevation. It normally grows in sandy or well drained stony red soils, but a wide range of soil types are inhabited. This habitat has a temperature range from 0 to 38 °C (32 to 100 °F) and annual rainfall between 500 millimetres (20 in) and 3,000 millimetres (120 in). S. album can grow up to 9.1 metres (30 ft) vertically. It should be planted in good sunlight and does not require a lot of water. The tree starts to flower after seven years. When the tree is still young the flowers are white and with age they turn red or orange. The trunk of the tree starts to develop its fragrance after about 10 years of growth, but is not ready to harvest till after 20. The tree rarely lives more than 100 years.[17]

Conservation

S. album is recognized as a "vulnerable" species by the International Union for the Conservation of Nature (IUCN).

habitat through altered land use, fire (to which this species is extremely sensitive), Spike disease, agriculture, and land-clearing are the factors of most concern. To preserve this vulnerable resource from over-exploitation, legislation protects the species, and cultivation is researched and developed.[19][20][21]

Until 2002, individuals in India were not allowed to grow sandalwood. Due to its scarcity, sandalwood is not allowed to be cut or harvested by individuals. The State grants specific permission to officials who then can cut down the tree and sell its wood.[22] The Indian government has placed a ban on the export of the timber.[1]

Uses and production

Young sapling

S. album has been the primary source of sandalwood and the

distribution range of the plant. It was valued in construction, since it was considered rotproof.[17]

The ISO Standard for the accepted characteristics of this essential oil is ISO 3518:2002.[23] HPTLC and GC,[citation needed] GC-MS based methods are used for qualitative and quantitative analyses of the volatile [24] essential oil constituents.

Indian sandalwood has a high

santalol content, at about 90%, compared with the other main source of the oil, the cheaper[9] Santalum spicatum (Australian sandalwood), at around 39%, and India used to dominate production of sandalwood oil world-wide, but the industry has been in decline in the 21st century.[25] Another source is Santalum austrocaledonicum from New Caledonia. Sandalwood is used in the production of the perfume Samsara by Guerlain (1989).[9]

The long maturation period and difficulty in cultivation have restricted extensive planting. Harvest of the tree involves several curing and processing stages, also adding to the commercial value. The wood and oil are in high demand and are an important trade item in three main regions:

India

The use of S. album in India is noted in literature for over two thousand years. It has use as wood and oil in religious practices, and was burned in cremation. In modern times only a small fragment is added to the

over-exploitation, and moves have been made to encourage planters to grow the trees again.[25]

Australia

The native species,

Kununurra, in the far north of Western Australia: Quintis (formerly Tropical Forestry Services), which in 2017 controlled around 80 per cent of the world's supply of Indian sandalwood,[27] and Santanol.[28]

Comoros

Indian sandalwood is grated against a stone, coral, or ceramic surface to make a sun-protective medicinal paste called

msindzano, worn on the faces of women and girls in Comoros.[29]

Sri Lanka

The harvesting of sandalwood is preferred to be of trees that are advanced in age. Saleable wood can, however, be of trees as young as seven years. The entire plant is removed rather than cut to the base, as in coppiced species. The extensive removal of S. album over the past century led to increased vulnerability to extinction.[1]

As of 2020, small plantations of Indian sandalwood also exist in China, Indonesia, Malaysia, the Philippines and the Pacific Islands.[30]

China

Sandalwood has been used over a longtime in China for the construction of statues and temples, and was burned in censers during religious rites.[17]

Egypt

Sandalwood was used for embalming mummies, and later was burned as part of Muslim funerals.[17]

See also

References

  1. ^
    doi:10.2305/IUCN.UK.2019-1.RLTS.T31852A2807668.en
    . Retrieved 12 November 2021.
  2. PMID 31192077
    .
  3. PMID 28461500
    .
  4. ^ "Santalaceae - an overview | ScienceDirect Topics". www.sciencedirect.com. Retrieved 2022-06-22.
  5. ^ Ellena 2022, pp. 12–14.
  6. ^ "Sandalwood (n.)". Online Etymology Dictionary. Retrieved 19 September 2020.
  7. IPNI
    )
  8. ^ "Santalum ovatum". Australian Plant Name Index (APNI), IBIS database. Centre for Plant Biodiversity Research, Australian Government. George, A.S. & Hewson, H.J. in George, A.S. (Ed) (1984), Flora of Australia 22: 61, 63, Fig. 18D, Map 71
  9. ^ a b c Ellena 2022, p. 14.
  10. S2CID 231755434
    .
  11. PMID 30922222
    .
  12. ^ Orwa, Mutua. "Santalum album L. (Orwa et al.2009)" (PDF). old.worldagroforestry.org. Agroforestry Database. Retrieved 4 April 2009.
  13. ^ Dhanya, Bhaskar; Viswanath, Syam; Purushothman, Seema (2010). "Sandal (Santalum album L.) conservation in southern India: A review of policies and their impacts". Journal of Tropical Agriculture. 48 (1–2): 1–10. Retrieved 12 June 2010.
  14. ^ Orwa, Mutua. "Santalum album L. (Orwa et al.2009)" (PDF). old.worldagroforestry.org. Agroforestry Database. Retrieved 4 April 2009.
  15. ^ Zumbroich, Thomas J. (2007–2008). "The origin and diffusion of betel chewing: a synthesis of evidence from South Asia, Southeast Asia and beyond". eJournal of Indian Medicine. 1: 87–140.
  16. ^ Orwa, Mutua. "Santalum album L." (PDF). old.worldagroforestry.org. Agroforestry Database. Retrieved 4 April 2009.
  17. ^ a b c d e Ellena 2022, p. 12.
  18. ^ "Conservation & environmental". Sandalwood Oil specialist. Archived from the original on 2017-04-05. Retrieved 2017-04-05.
  19. ^ Rado, Andrew (July 1994). "5.4 Sandalwood (Santalum spp.)". Australian New Crops Newsletter (2). University of Queensland. Archived from the original on Apr 27, 2013.
  20. ^ Friends of the Australian Arid Lands Botanic Garden - "Plants: Sandalwood, Santalum spicatum".
  21. ^ "Sandalwood" (PDF). Forest Products Commission. WA Gov. Archived from the original (PDF) on 2006-09-20. Retrieved 2007-01-31.
  22. ^ Vijay, Hema (June 5, 2015). "Time to lift restrictions on planting sandalwood?". The Hindu. Archived from the original on 2017-04-05. Retrieved 2017-04-05.
  23. ^ ISO 3518:2002
  24. doi:10.1016/j.jopr.2013.04.030
    .
  25. ^ a b c Yousaf, Shamsheer (25 January 2012). "Indian sandalwood production set to lose home ground edge". mint. Retrieved 19 September 2020.
  26. ^ a b Karnataka Forest Department Rules Archived 2007-02-17 at the Wayback Machine
  27. ^ Jasper, Clint (21 March 2017). "Tropical Forestry Services becomes Quintis as the company shifts focus". ABC News (Australian Broadcasting Corporation). Retrieved 19 September 2020.
  28. ^ "About Santanol". Santanol. Retrieved 19 September 2020.
  29. ^ Misra, Biswapriya B.; Dey, Satyahari (2013-11-12). Biological Activities of East Indian Sandalwood Tree, Santalum album (Report). PeerJ PrePrints.
  30. ^ "Frequently Asked Questions". WA Sandalwood Plantations. Retrieved 19 September 2020.

Bibliography

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