Edible bird 's nest - wikipedia Edible bird 's nest Edible bird 's nest Edible bird 's nest Place of origin Cambodia, Indonesia, Malaysia, Thailand and Vietnam Region or state Southeast Asia Cookbook : Edible bird 's nest Media : Edible bird 's nest Edible bird 's nest Traditional Chinese 燕窩 Simplified Chinese 燕窝 Literal meaning `` swallow nest '' Transcriptions Standard Mandarin Hanyu Pinyin yànwō Wade -- Giles yen - wo IPA ( jɛ̂n. wó ) Yue : Cantonese Yale Romanization yin - wō IPA ( jīːn. wɔ́ː ) Jyutping jin3 - wo1 Southern Min Hokkien POJ iàn - o Edible bird 's nests are bird nests created by edible - nest swiftlets using solidified saliva, which are harvested for human consumption. They are particularly prized in Chinese culture due to their rarity, and supposedly high nutritional value and exquisite flavor. Edible bird 's nests are among the most expensive animal products consumed by humans, with nests being sold recently at prices up to about US $ 2,000 per kilogram, depending on grading. The type or grading of bird 's nest depends on the type of bird as well as the diet of the bird. It differs in colour from white to dark brown. The Chinese believe that it promotes good health, especially for the skin. The nests have been used in Chinese cooking for over 400 years, most often as bird 's nest soup. Contents 1 Etymology 2 Culinary use 3 Harvesting 4 Import restrictions 5 See also 6 Notes 7 Bibliography 8 External links Etymology The Chinese name for edible bird 's nest, 燕窝 ( yàn wō ), translates literally as `` swallow 's ( or swift 's ) nest '', in indonesia called `` sarang walet '' and often serves as a synonym for bird 's nest soup. However, 燕窝 ( yàn wō ) strictly speaking is the uncooked nest. Culinary use A bowl of bird nest soup in Miri, Malaysia. The most famous use of edible birds nest is bird 's nest soup, a delicacy in Chinese cuisine. When dissolved in water, the birds ' nests have a gelatinous texture used for soup or sweet soup ( tàhng suay ). It is mostly referred to as 燕窝 ( yàn wō ) unless references are made to the savoury or sweet soup in Chinese cuisine. According to the Qing Dynasty manual of gastronomy, the Suiyuan shidan, bird nest was a delicate ingredient that must not be flavoured or cooked with anything strong tasting or oily. As well, while it is incredibly precious, it must also be served in relatively large quantities otherwise its texture can not be fully experienced and enjoyed. In addition to their use in soup, edible bird 's nests can be used as an ingredient in many other dishes. They can be cooked with rice to produce bird 's nest congee or bird 's nest boiled rice, or they can be added to egg tarts and other desserts. A bird 's nest jelly can be made by placing the bird 's nest in a ceramic container with minimal water and sugar ( or salt ) and double steamed. Ready - to - eat bird 's nest jelly is available in jars as a commercial product. Harvesting The most heavily harvested nests are from the edible - nest swiftlet or white - nest swiftlet ( Aerodramus fuciphagus ) and the black - nest swiftlet ( Aerodramus maximus ). The white nests and the red nests are supposedly rich in nutrients, which are traditionally believed to provide health benefits. Most nests are built during the breeding season by the male swiftlet over a period of 35 days. They take the shape of a shallow cup stuck to the cave wall. The nests are composed of interwoven strands of salivary cement. Both nests have high levels of calcium, iron, potassium, and magnesium. Natural birds ' nests on the Thai island called Bird 's Nest Island. Hong Kong and the United States are the largest importers of these nests. In Hong Kong, a bowl of bird 's nest soup would cost US $30 to US $100. A kilogram of white nest can cost up to US $2,000, and a kilogram of red nests can cost up to US $10,000. The white nests are commonly treated with a red pigment, but methods have been developed to determine an adulterated nest. Natural red cave nests are often only found in limestone caves in a bird nest concession island in Thailand. The high cost and demand has attracted counterfeiters, leading to the halt of Malaysian nest exports to China ; the Malaysian government has undertaken to employ RFID technology to thwart counterfeiting by micro-chipping nests with details about harvesting, packaging and transport. Industrial quality - control techniques such as failure mode and effects analysis have been applied to edible bird 's nest processing at nesting houses in Sarawak, Malaysia and reported by a research team in by Universiti Malaysia Sarawak. The nests were formerly harvested from caves, principally the enormous limestone caves at Gomantong and Niah in Borneo. With the escalation in demand these sources have been supplanted since the late 1990s by purpose - built nesting houses, usually reinforced concrete structures following the design of the Southeast Asian shop - house ( `` rumah toko '' / `` ruko '' ). These nesting houses are normally found in urban areas near the sea, since the birds have a propensity to flock in such places. This has become an extraordinary industry, mainly based on a series of towns in the Indonesian province of North Sumatra, which have been completely transformed by the activity. From there the nests are mostly exported to the markets in Hong Kong, which has become the centre of the world trade, though most of the final consumers are from mainland China. It has been estimated that the products now account for 0.5 % of the Indonesian GDP, equivalent to about a quarter of the country 's fishing industry. The entire global industry is an estimated US $5 billion. Dried swiftlet nests ready for cooking A box of bird nests selling for US $888.99 Ko Lao Liang Tai island, in southern Thailand, where bird nests are collected A typical nesting house for swiftlets in Baan Laem, Phetchaburi province, Thailand. Import restrictions Because the bird 's nest is an animal product, it is subject to strict import restrictions in some countries, particularly with regard to H5N1 avian flu. Import of nests into Australia is strictly prohibited unless imported with an official Customs and Quarantine import permit from the Australian Department of Agriculture. In Canada commercially prepared, canned and sterile bird 's nest preparations are generally acceptable but may be subject to restrictions. See also Traditional Chinese medicine List of Chinese soups List of delicacies List of soups Notes Jump up ^ `` eBay search : edible bird 's nest, sold ''. Retrieved 7 March 2017. Jump up ^ Maierbrugger, Arno ( 20 August 2013 ). `` Vietnam seeks investors for edible bird 's nest industry ''. Inside Investor. Retrieved 20 August 2013. ^ Jump up to : Hobbs, Joseph J. ( 2004 ). `` Problems in the harvest of edible birds ' nests in Sarawak and Sabah, Malaysian Borneo ''. Biodiversity and Conservation. 13 : 2209 -- 2226. doi : 10.1023 / b : bioc. 0000047905.79709. 7f. A few species of swift, the cave swifts, are renowned for building the saliva nests used to produce the unique texture of this soup. ^ Jump up to : Marcone, Massimo F. ( December 2005 ). `` Characterization of the edible bird 's nest the `` Caviar of the East '' ``. Food Research International. 38 ( 10 ) : 1125 -- 1134. doi : 10.1016 / j. foodres. 2005.02. 008. Jump up ^ `` Seafoods 1 : Bird 's Nest ( 燕窩 ) ''. Translating the Suiyuan Shidan. 2014. Jump up ^ Gausset, Quentin ( 2004 ). `` Chronicle of a Foreseeable Tragedy : Birds ' Nests Management in the Niah Caves ( Sarawak ) ''. Human Ecology. 32 : 487 -- 506. doi : 10.1023 / b : huec. 0000043517.23277. 54. ^ Jump up to : Park, Therese ( 8 February 2005 ). `` Bird - nest Soup, Anyone ? ''. Koreabridge Writings. Jump up ^ `` Chinese Delicacy Tagged with RFID ''. RFID World. 30 June 2012. Retrieved 20 January 2013. Jump up ^ Jong, Chian Haur ; Tay, Kai Meng ; Lim, Chee Peng ( August 2013 ). `` Application of the fuzzy Failure Mode and Effect Analysis methodology to edible bird nest processing ''. Computers and Electronics in Agriculture. 96 : 90 -- 108. doi : 10.1016 / j. compag. 2013.04. 015. Jump up ^ Tay, Kai Meng ; Jong, Chian Haur ; Lim, Chee Peng ( July 2014 ). `` A clustering - based failure mode and effect analysis model and its application to the edible bird nest industry ''. Neural Computing and Applications. pp. 551 -- 560. Jump up ^ Chang, Wui Lee ; Tay, Kai Meng ; Lim, Chee Peng ( Nov 2015 ). `` Clustering and visualization of failure modes using an evolving tree ''. Expert Systems with Applications. 42 : 7235 -- 7244. doi : 10.1016 / j. eswa. 2015.04. 036. Jump up ^ `` Inside of a Successful Bird 's Nest House ''. House of Bird 's Nest. Retrieved 9 January 2014. Jump up ^ `` Vietnam Seeks Millions for Edible Bird Spit Industry ''. Bloomberg News. Retrieved 9 January 2014. Jump up ^ `` Egg Products - Import Procedures ''. Canadian Food Inspection Agency. 2014. Retrieved 29 July 2014. Bibliography Jordan, David ( 2004 ). `` Globalisation and Bird 's Nest Soup ''. International Development Planning Review. Liverpool University Press. 26 ( 1 ). Archived from the original on 21 October 2008. Lau, Amy S.M. ; Melville, David S. ( April 1994 ). International Trade in Swiftlet Nests with Special Reference to Hong Kong. Traffic Network. ISBN 1 - 85850 - 030 - 3. Jong, Chian Haur ; Tay, Kai Meng ; Lim, Chee Peng ( August 2013 ). `` Application of the fuzzy Failure Mode and Effect Analysis methodology to edible bird nest processing ''. Computers and Electronics in Agriculture. 96 : 90 -- 108. doi : 10.1016 / j. compag. 2013.04. 015. Tay, Kai Meng ; Jong, Chian Haur ; Lim, Chee Peng ( April 2015 ). `` A clustering - based failure mode and effect analysis model and its application to the edible bird nest industry ''. Neural Computing and Applications. 26 : 551 -- 560. doi : 10.1007 / s00521 - 014 - 1647 - 4. Chang, Wui Lee ; Tay, Kai Meng ; Lim, Chee Peng ( Nov 2015 ). `` Clustering and visualization of failure modes using an evolving tree ''. Expert Systems with Applications. 42 : 7235 -- 7244. doi : 10.1016 / j. eswa. 2015.04. 036. Chai, Kok Chin ; Jong, Chian Haur ; Tay, Kai Meng ; Lim, Chee Peng ( Aug 2016 ). `` A Perceptual Computing - based Method to Prioritize Failure Modes in Failure Mode and Effect Analysis and Its Application to Edible Bird Nest Farming ''. Applied Soft Computing. 49 : 734 -- 747. doi : 10.1016 / j. asoc. 2016.08. 043. External links Wikimedia Commons has media related to Bird nest soup. 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Question: where does bird's nest soup come from
Answer: bird nests created by edible-nest swiftlets using solidified saliva