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词条 Asparagopsis taxiformis
释义

  1. Lifecycle

  2. Culinary uses

  3. Methane reduction in cattle

  4. See also

  5. References

  6. External links

{{Italic title}}{{Speciesbox
|name = Limukohu
|taxon = Asparagopsis taxiformis
|image = Asparagopsis taxiformis.jpg
|image_caption = Asparagopsis taxiformis in Mayotte.
|authority = (Delile) Trevis.
|synonyms = Asparagopsis sanfordiana
}}Asparagopsis taxiformis, limu kohu formerly A. sanfordiana,[1] is a species of red algae, with cosmopolitan distribution in tropical to warm temperate waters.[2]

Lifecycle

Like many red algae, A. taxiformis has a haplodiplophasic lifecycle, each phase being morphologically distinct. Indeed the species haploid haploid stage was initially described as Falkenbergia hillebrandii (Bornet) Falkenberg 1901 because it was thought to be a separate species.

Culinary uses

Asparagopsis is one of the most popular types of limu.[3] in the cuisine of Hawaii, principally as a condiment.[4] It is known as Limu kohu in the Hawaiian language meaning "pleasing seaweed".[5] Limu kohu is a traditional ingredient in poke.

The essential oil of limu kohu is 80% bromoform (tri-bromo-methane)[6] by weight, and includes many other bromine- and iodine-containing organic compounds.[4]

Methane reduction in cattle

In 2014, researchers at CSIRO and James Cook University demonstrated that feeding ruminants a diet consisting of just 1-2% percent red seaweed reduced the animals’ methane emissions by over 90 percent.[7] Of 20 types of seaweed tested, Asparagopsis taxiformis, showed the most promise, with nearly 99 percent effectiveness.[8] The findings spurred interest from other leading academic and trade organizations to further investigate the effects of red seaweeds on ruminant animal production.[9] Supply from wild harvest is not expected to be adequate to support broad adoption and Asparagopsis taxiformis has yet to be commercially farmed at scale. An R&D initiative called Greener Grazing is seeking to close the life cycle of Asparagopsis taxiformis and demonstrate ocean based grow-out.[10] A startup out of Yale University, Symbrosia, is working to grow Asparagopsis taxiformis symbiotically with Whiteleg shrimp onland using a patent-pending technology. [11]

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See also

  • Limu (algae)

References

1. ^{{cite journal|author = Ní Chualáin, F.|author2 = Maggs, C.A.|author3 = Saunders, G.W.|author4 = Guiry, M.D.|last-author-amp = yes | title = The invasive genus Asparagopsis (Bonnemaisoniaceae, Rhodophyta): molecular systematics, morphology, and ecophysiology of Falkenbergia isolates | year = 2004 | journal = Journal of Phycology | volume = 40 | pages = 1112–1126 | doi = 10.1111/j.1529-8817.2004.03135.x|issue = 6}}
2. ^{{Cite web|url=http://www.algaebase.org/search/species/detail/?species_id=636|title=:: Algaebase|website=www.algaebase.org|access-date=2016-10-19}}
3. ^{{Hawaiian Dictionaries|limu kohu |accessdate=October 8, 2010}}
4. ^{{cite journal|year=1976|title=Volatile halogen compounds in the alga Asparagopsis taxiformis (Rhodophyta)|journal=Journal of Agricultural and Food Chemistry|volume=24|issue=4|pages=856–861|doi=10.1021/jf60206a040|author=B. Jay Burreson|display-authors=etal}}
5. ^{{Hawaiian Dictionaries|kohu |accessdate=October 8, 2010}}
6. ^{{Cite journal|title = Volatile halogen compounds in the alga Asparagopsis taxiformis (Rhodophyta)|first = B. Jay|last = Burreson|author2= Moore, Richard E.|author3= Roller, Peter P.|journal = Journal of Agricultural and Food Chemistry|year = 1976|volume = 24|page = 856|doi = 10.1021/jf60206a040|issue = 4}}
7. ^{{Cite journal|last=Machado|first=Lorenna|last2=Magnusson|first2=Marie|last3=Paul|first3=Nicholas A.|last4=de Nys|first4=Rocky|last5=Tomkins|first5=Nigel|date=2014-01-22|title=Effects of Marine and Freshwater Macroalgae on In Vitro Total Gas and Methane Production|journal=PLoS ONE|language=en|volume=9|issue=1|pages=e85289|doi=10.1371/journal.pone.0085289|issn=1932-6203|pmc=3898960|pmid=24465524}}
8. ^{{Cite news|url=https://blog.csiro.au/seaweed-hold-key-cutting-methane-emissions-cow-burps/|title=Seaweed could hold the key to cutting methane emissions from cow burps - CSIROscope|date=2016-10-14|work=CSIROscope|access-date=2018-10-01|language=en-US}}
9. ^{{Cite web|url=https://www.ucdavis.edu/news/can-seaweed-cut-methane-emissions-dairy-farms/|title=Can Seaweed Cut Methane Emissions on Dairy Farms?|website=UC Davis|language=en|access-date=2018-10-01|date=2018-05-24}}
10. ^{{Cite news|url=https://apnews.com/31b0a326b3614135a270d9fc2dfcfe7d|title=Gassy cows are bad for the planet; could seaweed diet help?|work=AP News|access-date=2018-10-01|language=en-US}}
11. ^ {{Cite news|url = https://www.symbrosiasolutions.com/|title = Symbrosia | access-date=2018-11-21|language=en-US}}

External links

  • Edible Limu of Hawaii
  • [https://www.greenergrazing.org Greener Grazing]
{{AlgaeBase species|name=Asparagopsis taxiformis|id=636&-}}{{Taxonbar|from=Q4807687}}{{Rhodophyta-stub}}

5 : Bonnemaisoniales|Algae of Hawaii|Edible algae|Hawaiian cuisine|Sea vegetables

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