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| synonyms_ref = <ref name="POWO">{{cite web |url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:284345-1 |title= ''Eutrema japonicum'' Koidz. Fl. Symb. Orient.-Asiat. : 22 (1930) |date= 2022 |website= Plants of the World Online |publisher= Board of Trustees of the Royal Botanic Gardens, Kew |access-date= 4 December 2022}}</ref>
}}
'''Wasabi''' ([[Japanese language|Japanese]]: {{lang|ja|ワサビ}}, {{lang|ja|わさび}}, or {{lang|ja|山葵}}, {{IPA
The oldest record of wasabi as a food dates to the 8th century AD.<ref>{{cite book |url=http://www.kinjirushi.co.jp/himitu/rekishi.html |title=わさびの歴史 |language=ja|trans-title=History of Wasabi|publisher=Kinjirushi |date=2001 |url-status=dead |archive-url=https://web.archive.org/web/20010418182941/http://www.kinjirushi.co.jp/himitu/rekishi.html |archive-date=18 April 2001 |access-date=9 August 2016}}</ref> The popularity of wasabi in English-speaking countries has coincided with that of
== Taxonomy ==
[[File:Fresh wasabi rhizomes.jpg|thumb|left|Fresh wasabi stems]]▼
[[Philipp Franz von Siebold|Siebold]] named ''Cochlearia (?) wasabi'' in 1830, noting its use ''pro condimento'' or "as a condiment";<ref name="Siebold">{{cite journal |url=https://www.biodiversitylibrary.org/page/41198987 |title=Synopsis Plantarum Oeconomicarum Universi Regni Japonici |author=[[Philipp Franz von Siebold|Siebold]] |journal=Verhandelingen van het Bataviaasch Genootschap van Kunsten en Wetenschappen |issn=0215-1375 |year=1830 |volume=12 |pages=1–74}}</ref>{{rp|54}} however, this is a ''[[nomen nudum]]'', and the [[Synonym (taxonomy)|synonym]] ''Eutrema wasabi'', published by [[Karl Maximovich|Maximovich]] in 1873,<ref>{{cite journal |url=https://www.biodiversitylibrary.org/page/3932050 |title=Diagnoses plantarum novarum Japoniae et Mandshuriae |trans-title=
In 1899 [[Jinzō Matsumura|Matsumura]] erected the genus ''[[Wasabia]]'', recognising within it the species ''Wasabia pungens'' and ''Wasabia hederaefolia'';<ref name="Matsumura">{{cite journal |url=https://www.biodiversitylibrary.org/page/41670360 |title=Notulae ad plantas asiaticas orientales |author=[[Jinzō Matsumura|Matsumura, J.]] |journal=[[Bot. Mag. (Tokyo)]] |volume=13 |number=148 |year=1899 |pages=71–73}}</ref> these are now regarded as [[Synonym (taxonomy)|synonyms]] of ''Eutrema japonicum''.<ref name="Eutrema"/>{{rp|133}} In 1912 Matsumura recognised the species ''Wasabia japonica'', treating his earlier ''Wasabia pungens'' as a synonym.<ref>{{cite book |url=https://www.biodiversitylibrary.org/page/12322832 |title=Index plantarum Japonicarum, sive, Enumeratio plantarum omnium ex insulis Kurile, Yezo, Nippon, Sikoku, Kiusiu, Liukiu, et Formosa hucusque cognitarum systematice et alphabetice disposita adjectis synonymis selectis, nominibus Japonicis, locis natalibus |author=[[Jinzō Matsumura|Matsumura, J.]] |publisher=[[Maruzen]] |place=Tokyo |year=1912 |volume=II(2) |page=161}}</ref> In 1930, [[Gen-ichi Koidzumi|Koidzumi]] transferred the wasabi plant to the genus ''[[Eutrema]]'',<ref name="Koidzumi">{{cite book |url=https://dl.ndl.go.jp/info:ndljp/pid/1678848 |title=Florae symbolae Orientali-Asiaticae; sive, contributions to the knowledge of the flora of Eastern Asia |author=[[Gen-ichi Koidzumi|Koidzumi, G.]] |place=Kyoto |year=1930}}</ref> the [[correct name]] and [[Author citation (botany)|author citation]] being ''Eutrema japonicum'' ([[Friedrich Anton Wilhelm Miquel|Miq.]]) [[Gen-ichi Koidzumi|Koidz.]]<ref name="Curtis"/>
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Wasabi flowers appear in clusters from long stems that bloom from late winter to early spring.<ref name="PlantToolbox"/>{{Additional citation needed|date=December 2022}}
==
[[File:Wasabi 002.jpg|thumb|Wasabi root and wasabi paste on a plate]]
Wasabi is generally sold either as a [[rhizome]]<ref>{{cite web|url=http://wordcentral.com/cgi-bin/student?book=Student&va=rhizome|title=Definition of rhizome – Merriam-Webster's Student Dictionary|website=wordcentral.com}}</ref> or stem, which must be grated very fine before use, as a dried powder, or as a ready-to-use paste in tubes similar to [[toothpaste]] tubes.<ref>{{cite book|url=https://books.google.com/books?id=wIOcYVPYfkAC&q=toothpaste&pg=PT228 |title=The Connoisseur's Guide to Sushi: Everything You Need to Know about Sushi |first=Dave |last=Lowry |publisher=[[The Harvard Common Press]] |year=2005 |isbn=978-1-55832-307-0 |page=205 |access-date=9 August 2016}}</ref>▼
=== As condiment ===
Wasabi is mainly used to make wasabi paste, which is a pungent, spicy condiment eaten with foods like [[sushi]]. The part used for wasabi paste
▲
<gallery class="center" heights="150" widths="150" mode="packed">
Wasabi (9452965932).jpg|Wasabi paste on a plate of [[sushi]]
Wasabi on green shiso leaves by june29.jpg|Wasabi paste on a [[Shiso|green shiso]] leaf
Benkei Soba (1183903385).jpg|Wasabi in a bowl of noodles, with [[nameko]] mushrooms
Takowasabi (2014-02-15).JPG|''Tako-wasabi'', raw [[octopus]] mixed with wasabi
Itawasa by jetalone in Tsukiji, Tokyo.jpg|''[[Kamaboko|Itawasa]]'' with wasabi
司こなや 新屋 (17067887810).jpg|Wasabi with [[soba]] noodles
Chef Grating Wasabi (12007382115).jpg|A chef grating fresh wasabi root
Wasabi sauce.jpg|Bottle of horseradish, artificial flavorings, and wasabi powder
</gallery>
=== As flavoring ===
[[File:Wasabi coated green peas.jpg|thumb|Wasabi coated [[peas]]]]
Wasabi is used to flavor many foods, especially dry [[snacks]]. {{nihongo3|"wasabi bean"|わさび豆|Wasabi-mame}} are [[legume]]s (peanuts, soybeans, or peas) that are roasted or fried and then coated with wasabi powder, and eaten as a snack.
=== Others ===
[[File:Azumino Wasabizuke-3.jpg|thumb|''Wasabizuke'', wasabi leaves pickled in [[Sake kasu|sake lees]]]]
Fresh wasabi leaves can be eaten raw, having a spicy flavor,<ref>{{Cite web |title=What is wasabi and how should you use it? |url=https://www.lovefood.com/guides/76834/what-is-wasabi-and-how-should-you-use-it |access-date=2024-06-06 |website=lovefood.com |language=en}}</ref> but a common side effect is [[diarrhea]].<ref name="PlantToolbox"/> ''Wasabizuke'' is made of wasabi leaves pickled in [[Sake kasu|sake lees]], and is considered a specialty of [[Shizuoka Prefecture]].
==Surrogates==
Wasabi favors growing conditions that restrict its wide cultivation – among other things, it is quite intolerant of direct sunlight, requires an air temperature between {{convert|8|and|20|C|F}}, and prefers high humidity in summer. This makes fully satisfying commercial demand impossible for growers, which makes wasabi quite expensive.<ref>{{cite web |url=http://www.realwasabi.com/cultivation/index.asp |title=Wasabi is quite picky about its growing conditions |website=Real Wasabi |publisher=Real Wasabi, LLC |location=Cullowhee, NC |access-date=25 October 2016 }}</ref><ref>{{cite journal |last=Palmer |first=J. |title=Germination and growth of wasabi (Wasabia japonica (Miq.) Matsumara) |url={{google books|YT2LT11Vg2MC|page=PA161|plainurl=yes}} |pages=161–164 |journal=New Zealand Journal of Crop and Horticultural Science/Experimental Agriculture |date=1990 |volume=18 |issue=2–3 |access-date=25 October 2016 |doi=10.1080/01140671.1990.10428089 |doi-access=free |bibcode=1990NZJCH..18..161P }}</ref><ref>{{cite web |date=18 September 2014 |last=Gittleson |first=Kim |url=https://www.bbc.co.uk/news/business-29082091 |title=Wasabi: Why invest in 'the hardest plant to grow'? |publisher=[[BBC News]] |access-date=25 October 2016 |url-status=live |archive-url=https://web.archive.org/web/20140919041649/https://www.bbc.co.uk/news/business-29082091 |archive-date=19 September 2014 }}</ref> Therefore, outside Japan, finding real wasabi plants is rare.▼
[[File:山葵田 Wasabi Fields - panoramio.jpg|thumb|Wasabi crop growing at [[Azumino, Nagano|Azumino]], [[Nagano Prefecture|Nagano]], Japan]]▼
▲Wasabi favors growing conditions that restrict its wide cultivation – among other things, it is quite intolerant of direct sunlight, requires an air temperature between {{convert|8|and|20|C|F}}, and prefers high humidity in summer. This makes fully satisfying commercial demand impossible for growers, which makes wasabi quite expensive.<ref>{{cite web |url=http://www.realwasabi.com/cultivation/index.asp |title=Wasabi is quite picky about its growing conditions |website=Real Wasabi |publisher=Real Wasabi, LLC |location=Cullowhee, NC |access-date=25 October 2016 }}</ref><ref>{{cite journal |last=Palmer |first=J. |title=Germination and growth of wasabi (Wasabia japonica (Miq.) Matsumara) |url={{google books|YT2LT11Vg2MC|page=PA161|plainurl=yes}} |pages=161–164 |journal=New Zealand Journal of Crop and Horticultural Science/Experimental Agriculture |date=1990 |volume=18 |issue=2–3 |access-date=25 October 2016 |doi=10.1080/01140671.1990.10428089 |doi-access=free }}</ref><ref>{{cite web |date=18 September 2014 |last=Gittleson |first=Kim |url=https://www.bbc.co.uk/news/business-29082091 |title=Wasabi: Why invest in 'the hardest plant to grow'? |publisher=[[BBC News]] |access-date=25 October 2016 |url-status=live |archive-url=https://web.archive.org/web/20140919041649/https://www.bbc.co.uk/news/business-29082091 |archive-date=19 September 2014 }}</ref> Therefore, outside Japan, finding real wasabi plants is rare.
A common substitute is a mixture of horseradish, mustard, [[starch]], and green food colouring or spinach powder.<ref>{{cite news |first=Roberto A. |last=Ferdman |title=The wasabi sushi restaurants serve is pretty much never actual wasabi|newspaper=The Washington Post|date=15 October 2014| url=https://www.washingtonpost.com/news/wonk/wp/2014/10/15/why-the-wasabi-sushi-restaurants-serve-is-almost-never-actual-wasabi/|access-date=17 January 2018}}</ref> Often packages are labelled as wasabi while the ingredients do not include any part of the wasabi plant. The primary difference is colour, with wasabi being naturally green.<ref>{{cite book |title=The No-Salt, Lowest-Sodium International Cookbook |first1=Donald A. |last1=Gazzaniga |first2=Maureen A. |last2=Gazzaniga |publisher=Macmillan |year=2007 |isbn=978-1-4668-1915-3 |chapter-url={{Google books|nXyJhXZlkasC|plainurl=yes}} |chapter=Glossary |page=[https://books.google.com/books?id=nXyJhXZlkasC&dq=%22wasabi%22&pg=PA301 301] |access-date=9 August 2016}}</ref> Fresh horseradish root is described as having a similar (albeit simpler) flavor and texture to that of fresh wasabi.<ref>{{Cite web|url=https://www.spiceography.com/wasabi-substitute/|title = What's a Good Wasabi Substitute?|date = 14 June 2018}}</ref>
In Japan, horseradish is referred to as {{nihongo3|"western wasabi"|西洋わさび|seiyō wasabi}}.<ref>{{cite web |url=http://www.sushifaq.com/sushi-items/sushi-items-wasabi.htm |website=The Sushi FAQ |title=Sushi Items – Wasabi |url-status=dead |archive-url=https://web.archive.org/web/20110806033433/http://www.sushifaq.com/sushi-items/sushi-items-wasabi.htm |archive-date=6 August 2011 |access-date=9 August 2016 }}</ref>
==Chemistry==
[[File:Wasabi, Iwasaki Kanen 1828.jpg|thumb|left|Drawing of a wasabi plant, by [[Iwasaki Kanen]], 1828]]
The chemical in wasabi that provides its initial pungency is the volatile compound [[allyl isothiocyanate]], which is produced by [[hydrolysis]] of allyl glucosinolate, a natural thioglucoside (conjugates of the sugar glucose and sulfur-containing organic compounds); the hydrolysis reaction is catalyzed by [[myrosinase]] and occurs when the enzyme is released on cell rupture caused by maceration – e.g., grating – of the plant.<ref name="Ina">{{cite journal |author1=Kazuo Ina |author2=Hiroji Ina |author3=Mikako Ueda |author4=Akihito Yagi |author5=Isao Kishima |year=1989 |title=ω-Methylthioalkyl Isothiocyanates in Wasabi |journal=[[Agricultural and Biological Chemistry]] |volume=53 |issue=2 |pages=537–538 |doi=10.1271/bbb1961.53.537 |doi-access=free }}</ref><ref name="Masuda">{{cite book |author1=Hideki Masuda |author2=Yasuhiro Harada |author3=Kunio Tanaka |author4=Masahiro Nakajima |author5=Hideki Tabeta |year=1996 |chapter=Characteristic Odorants of Wasabi (''Wasabia japonica matum''), Japanese Horseradish, in Comparison with Those of Horseradish (''Armoracia rusticana'') |title=Biotechnology for Improved Foods and Flavors |pages=67–78 |doi=10.1021/bk-1996-0637.ch006 |series=ACS Symposium Series |volume=637 |isbn=9780841234215 |publisher=[[American Chemical Society]] }}</ref><ref>{{cite web |url=http://www.freshwasabi.com/tech.aspx |title=Condiments – Wasabi: real vs. fake |url-status=dead |archive-url=https://web.archive.org/web/20110711040526/http://www.freshwasabi.com/tech.aspx |archive-date=11 July 2011 |access-date=9 August 2016}}</ref> The same compound is responsible for the pungency of horseradish and mustard. Allyl isothiocyanate can also be released when the wasabi plants have been damaged because it is being used as a defense mechanism.<ref>{{Cite journal|last1=Atsumi|first1=A |last2=Saito|first2=T |year=2015|title=Volatiles from wasabi inhibit entomopathogenic fungi: implications for tritrophic interactions and biological control|journal=Journal of Plant Interactions|volume=10|issue=1|pages=152–157 |issn=1742-9145|doi=10.1080/17429145.2015.1039613|doi-access=free|hdl=10297/9349|hdl-access=free}}</ref> The sensory neural target of mustard oil is the chemosensory receptor, [[TRPA1]], also known as the wasabi receptor.<ref>{{Cite journal|last1=Zhao|first1=Jianhua|last2=Lin King|first2=John V.|last3=Paulsen|first3=Candice E.|last4=Cheng|first4=Yifan|last5=Julius|first5=David|date=2020-07-08|title=Irritant-evoked activation and calcium modulation of the TRPA1 receptor|journal=Nature|volume=585|issue=7823|language=en|pages=141–145|doi=10.1038/s41586-020-2480-9|pmid=32641835|pmc=7483980|bibcode=2020Natur.585..141Z|s2cid=220407248|issn=1476-4687}}</ref>▼
▲The chemical in wasabi that provides its initial pungency is the volatile compound [[allyl isothiocyanate]], which is produced by [[hydrolysis]] of allyl glucosinolate, a natural thioglucoside (conjugates of the sugar glucose and sulfur-containing organic compounds); the hydrolysis reaction is catalyzed by [[myrosinase]] and occurs when the enzyme is released on cell rupture caused by maceration – e.g., grating – of the plant.<ref name="Ina">{{cite journal |author1=Kazuo Ina |author2=Hiroji Ina |author3=Mikako Ueda |author4=Akihito Yagi |author5=Isao Kishima |year=1989 |title=ω-Methylthioalkyl Isothiocyanates in Wasabi |journal=[[Agricultural and Biological Chemistry]] |volume=53 |issue=2 |pages=537–538 |doi=10.1271/bbb1961.53.537 |doi-access=free }}</ref><ref name="Masuda">{{cite book |author1=Hideki Masuda |author2=Yasuhiro Harada |author3=Kunio Tanaka |author4=Masahiro Nakajima |author5=Hideki Tabeta |year=1996 |chapter=Characteristic Odorants of Wasabi (''Wasabia japonica matum''), Japanese Horseradish, in Comparison with Those of Horseradish (''Armoracia rusticana'') |title=Biotechnology for Improved Foods and Flavors |pages=67–78 |doi=10.1021/bk-1996-0637.ch006 |series=ACS Symposium Series |volume=637 |isbn=9780841234215 |publisher=[[American Chemical Society]] }}</ref><ref>{{cite web |url=http://www.freshwasabi.com/tech.aspx |title=Condiments – Wasabi: real vs. fake |url-status=dead |archive-url=https://web.archive.org/web/20110711040526/http://www.freshwasabi.com/tech.aspx |archive-date=11 July 2011 |access-date=9 August 2016}}</ref> The same compound is responsible for the pungency of horseradish and mustard. Allyl isothiocyanate can also be released when the wasabi plants have been damaged because it is being used as a defense mechanism.<ref>{{Cite journal|last1=Atsumi|first1=A |last2=Saito|first2=T |year=2015|title=Volatiles from wasabi inhibit entomopathogenic fungi: implications for tritrophic interactions and biological control|journal=Journal of Plant Interactions|volume=10|issue=1|pages=152–157 |issn=1742-9145|doi=10.1080/17429145.2015.1039613|doi-access=free|bibcode=2015JPlaI..10..152A |hdl=10297/9349|hdl-access=free}}</ref> The sensory neural target of mustard oil is the chemosensory receptor, [[TRPA1]], also known as the wasabi receptor.<ref>{{Cite journal|last1=Zhao|first1=Jianhua|last2=Lin King|first2=John V.|last3=Paulsen|first3=Candice E.|last4=Cheng|first4=Yifan|last5=Julius|first5=David|date=2020-07-08|title=Irritant-evoked activation and calcium modulation of the TRPA1 receptor|journal=Nature|volume=585|issue=7823|language=en|pages=141–145|doi=10.1038/s41586-020-2480-9|pmid=32641835|pmc=7483980|bibcode=2020Natur.585..141Z|s2cid=220407248|issn=1476-4687}}</ref>
The unique flavour of wasabi is a result of complex chemical mixtures from the broken cells of the plant, including those resulting from the hydrolysis of thioglucosides, including [[sinigrin]]<ref>{{cite journal |last1=Yu |first1=E. Y. |last2=Pickering |first2=I. J. |last3=George |first3=G. N. |last4=Prince |first4=R. C. |title=In situ observation of the generation of isothiocyanates from sinigrin in horseradish and wasabi |journal=Biochimica et Biophysica Acta (BBA) - General Subjects |volume=1527 |issue=3 |pages=156–160 |doi=10.1016/s0304-4165(01)00161-1 |pmid=11479032 |date=15 August 2001}}</ref> and other glucosinolates, into glucose and methylthioalkyl [[isothiocyanate]]s:<ref name="wasabicen"/><ref name="Ina"/><ref name="Masuda"/>
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==Nutritional information==
▲[[File:Fresh wasabi rhizomes.jpg|thumb|Fresh wasabi stems]]
Wasabi is normally consumed in such small quantities that its nutritional value is negligible. The major constituents of raw wasabi root are carbohydrates (23.5%), water (69.1%), fat (0.63%), and protein (4.8%).<ref>{{cite web |date=April 2018 |title=Basic Report: 11990, Wasabi, root, raw |website=National Nutrient Database for Standard Reference Legacy Release |publisher=United States Department of Agriculture, Agricultural Research Service |url=https://ndb.nal.usda.gov/ndb/foods/show/11990 |access-date=11 August 2018 |archive-date=13 July 2019 |archive-url=https://web.archive.org/web/20190713005856/https://ndb.nal.usda.gov/ndb/foods/show/11990 |url-status=dead }}</ref>
==Cultivation==
[[File:山葵田 Wasabi
Few places are suitable for large-scale wasabi cultivation, which is difficult even in ideal conditions. In Japan, wasabi is cultivated mainly in these regions:
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* [[Shimane Prefecture]] known as its [[Hikimi wasabi]]
▲[[File:
{| class="wikitable sortable" style="text-align: center;"
|+ 2016 wasabi production in Japan (metric tonnes)<ref>{{cite web |title=特用林産物生産統計調査-平成28年特用林産基礎資料 – 2016年 – 3.平成28年主要品目別生産動向 – (16)わさび(生産量) |trans-title=Wasabi production |date=2017-09-13 |publisher=e-Stat (Statistics of Japan)| url=https://www.e-stat.go.jp/en/stat-search/files?page=1&layout=datalist&lid=000001191364}} [https://www.e-stat.go.jp/stat-search/file-download?statInfId=000031623341&fileKind=0 Excel file u008-28-032.xls]</ref>
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|}
Numerous artificial cultivation{{clarify|reason=What kind of artificial, greenhouses? All cultivation is artificial in a way.|date=February 2024}} facilities also exist as far north as [[Hokkaido]] and as far south as [[Kyushu]]. As the demand for real wasabi is higher than that which can be produced within Japan, Japan imports copious amounts of wasabi from the [[United States]], [[Canada]], [[Taiwan]], [[South Korea]], [[
Modern cultivars of wasabi mostly derive from three traditional cultivars, 'Fujidaruma', 'Shimane No. 3' and 'Mazuma'. Sequencing of the chloroplastic genome, which is inherited maternally in wasabi, supports this conclusion.<ref>{{cite journal |last1=Haga |first1=Natsuko |last2=Kobayashi |first2=Masaaki |last3=Michiki |first3=Nana |last4=Takano |first4=Tomoyuki |last5=Baba |first5=Fujio |last6=Kobayashi |first6=Keiko |last7=Ohyanagi |first7=Hajime |last8=Ohgane |first8=Jun |last9=Yano |first9=Kentaro |last10=Yamane |first10=Kyoko |title=Complete chloroplast genome sequence and phylogenetic analysis of wasabi (Eutrema japonicum) and its relatives |journal=Scientific Reports |date=7 October 2019 |volume=9 |issue=1 |page=14377 |doi=10.1038/s41598-019-49667-z|pmid=31591417 |pmc=6779752 |bibcode=2019NatSR...914377H }}</ref>
▲[[File:WasabiOnOroshigane.jpg|thumb|upright|Wasabi on a metal ''[[oroshigane]]'' grater]]
==See also==
|