Eaglewood

Agarwood, aloeswood, eaglewood, gharuwood or the Wood of Gods, commonly referred to as oud or oudh (from , ), is a fragrant, dark and resinous wood used in incense, perfume, and small hand carvings.

It forms in the heartwood of ''Aquilaria'' trees after they become infected with a type of '' Phaeoacremonium'' mold, ''P. parasitica''. The tree defensively secretes a resin to combat the fungal infestation. Prior to becoming infected, the heartwood mostly lacks scent, and is relatively light and pale in colouration. However, as the infection advances and the tree produces its fragrant resin as a final option of defense, the heartwood becomes very dense, dark, and saturated with resin. This product is harvested, and most famously referred to in cosmetics under the scent names of ''oud'', ''oodh'' or ''aguru''; however, it is also called ''aloes'' (not to be confused with the succulent plant genus ''Aloe''), ''agar'' (this name, as well, is not to be confused with the edible, algae-derived thickening agent agar agar), as well as ''gaharu'' or ''jinko''. With thousands of years of known use, and valued across Hindu, Buddhist, Muslim and Chinese cultures, oud is prized in Middle Eastern and South Asian cultures for its distinctive fragrance, utilized in colognes, incense and perfumes.

One of the main reasons for the relative rarity and high cost of agarwood is the depletion of wild sources.Broad, S. (1995) "Agarwood harvesting in Vietnam" ''TRAFFIC Bulletin'' 15:96 Since 1995, the Convention on International Trade in Endangered Species of Wild Fauna and Flora has listed ''Aquilaria malaccensis'' (the primary source) in its Appendix II (potentially threatened species).CITES (25 April 2005) "Notification to the Parties" No. 2005/0025
. (PDF) . Retrieved on 22 July 2013. In 2004, all ''Aquilaria'' species were listed in Appendix II; however, a number of countries have outstanding reservations regarding that listing.

The varying aromatic qualities of agarwood are influenced by the species, geographic location, its branch, trunk and root origin, length of time since infection, and methods of harvesting and processing. Agarwood is one of the most expensive woods in the world, along with African blackwood, sandalwood, pink ivory and ebony. First-grade agarwood is one of the most expensive natural raw materials in the world, with 2010 prices for superior pure material as high as US$100,000/kg, although in practice adulteration of the wood and oil is common, allowing for prices as low as US$100/kg. A wide range of qualities and products come to market, varying in quality with geographical location, botanical species, the age of the specific tree, cultural deposition and the section of the tree where the piece of agarwood stems from.Dinah Jung
''The Value of Agarwood: Reflections upon its use and history in South Yemen''
Universitätsbibliothel, Universität Heidelberg, 30 May 2011, (PDF) p. 4.

History

The odour of agarwood is complex and pleasing, with few or no similar natural analogues. In the perfume state, the scent is mainly distinguished by a combination of "oriental-woody" and "very soft fruity-floral" notes. The incense smoke is also characterised by a "sweet-balsamic" note and "shades of vanilla and musk" and amber. As a result, agarwood and its essential oil gained great cultural and religious significance in ancient civilizations around the world. Over 3,000 years ago, the ancient Egyptians used agarwood incense in their funeral rites. It was described as a fragrant product as early as 1400 BCE in the Vedas of India.

In the Hebrew Bible 24:6 and a perfume compounded of aloeswood, myrrh, and cassia is described in Psalms 45.Psalms 45: "All thy garments smell of myrrh, and aloes, and cassia, out of the ivory palaces, whereby they have made thee glad."

In the Gospel of John, Jesus’s corpse is prepared for burial by binding it in linen wrappings with seventy-five pounds of aloes and myrrh (John 19:39).

Dioscorides in his book Materia Medica (65 CE) described several medical qualities of agarwood (Áγαλλοχου) and mentioned its use as an incense. Even though Dioscorides describes agarwood as having an astringent and bitter taste, it was used to freshen the breath when chewed or as a decoction held in the mouth. He also writes that a root extract was used to treat stomach complaints and dysentery as well as pains of the lungs and liver. Agarwood's use as a medicinal product was also recorded in the Sahih Muslim, which dates back to approximately the ninth century, and in the Ayurvedic medicinal text the Susruta Samhita.

As early as the third century CE in ancient Viet Nam, the Chinese chronicle ''Nan zhou yi wu zhi'' (Strange things from the South) written by Wa Zhen of the Eastern Wu Dynasty mentioned agarwood produced in the Rinan commandery, now Central Vietnam, and how people collected it in the mountains.

During the sixth century CE in Japan, in the recordings of the ''Nihon Shoki'' (The Chronicles of Japan) the second oldest book of classical Japanese history, mention is made of a large piece of fragrant wood identified as agarwood. The source for this piece of wood is claimed to be from Pursat, Cambodia (based on the smell of the wood). The famous piece of wood still remains in Japan today and is showcased less than 10 times per century at the Nara National Museum.

Agarwood is highly revered in Hinduism, Buddhism, Chinese Folk Religion and Islam.

Starting in 1580 after Nguyễn Hoàng took control over the central provinces of modern Vietnam, he encouraged trade with other countries, specifically China and Japan. Agarwood was exported in three varieties: Calambac (kỳ nam in Vietnamese), trầm hương (very similar but slightly harder and slightly more abundant), and agarwood proper. A pound of Calambac bought in Hội An for 15 taels

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