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词条 Androstenone
释义

  1. Biosynthesis

  2. Properties

     Detectability as a pheromone  Commercial use 

  3. See also

  4. References

{{distinguish|Androsterone|Androstenedione|5α-Androst-2-ene-17-one}}{{chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 455367955
| ImageFile=Androstenone.png
| ImageSize=200px
| ImageAlt = Skeletal formula of androstenone
| ImageFile1 = Androstenone-3D-balls.png
| ImageSize1 = 210
| ImageAlt1 = Ball-and-stick model of the androstenone molecule
| IUPACName= (5S,8R,9S,10S,13R,14S)-10,13-Dimethyl-1,2,4,5,6,7,8,9,11,12,14,15-dodecahydrocyclopenta[a]phenanthren-3-one<
| OtherNames=5α-Androst-16-en-3-one
|Section1={{Chembox Identifiers
| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}
| ChemSpiderID = 5254715
| InChI = 1/C19H28O/c1-18-9-3-4-16(18)15-6-5-13-12-14(20)7-11-19(13,2)17(15)8-10-18/h3,9,13,15-17H,4-8,10-12H2,1-2H3/t13-,15-,16-,17-,18-,19-/m0/s1
| InChIKey = HFVMLYAGWXSTQI-QYXZOKGRBP
| StdInChI_Ref = {{stdinchicite|correct|chemspider}}
| StdInChI = 1S/C19H28O/c1-18-9-3-4-16(18)15-6-5-13-12-14(20)7-11-19(13,2)17(15)8-10-18/h3,9,13,15-17H,4-8,10-12H2,1-2H3/t13-,15-,16-,17-,18-,19-/m0/s1
| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}
| StdInChIKey = HFVMLYAGWXSTQI-QYXZOKGRSA-N
| CASNo_Ref = {{cascite|correct|??}}
| CASNo=18339-16-7
| PubChem=6852393
| ChEBI_Ref = {{ebicite|correct|EBI}}
| ChEBI = 37894
| ChEMBL_Ref = {{ebicite|changed|EBI}}
| ChEMBL = 1309552
| SMILES = O=C4C[C@@H]3CC[C@@H]2[C@H](CC[C@@]1(/C=C\\C[C@H]12)C)[C@@]3(C)CC4
}}
|Section2={{Chembox Properties
| C=19 | H=28 | O=1
| Appearance=
| Density=
| MeltingPt=
| BoilingPt=
| Solubility=
|Section3={{Chembox Hazards
| MainHazards=
| FlashPt=
| AutoignitionPt =
}}Androstenone (5α-androst-16-en-3-one) is a steroidal pheromone. It is found in boar's saliva, celery cytoplasm,{{citation needed|date=September 2016}} and truffle fungus.{{citation needed|date=September 2016}} Androstenone was the first mammalian pheromone to be identified. It is found in high concentrations in the saliva of male pigs, and, when inhaled by a female pig that is in heat, results in the female assuming the mating stance. Androstenone is the active ingredient in 'Boarmate', a commercial product made by DuPont sold to pig farmers to test sows for timing of artificial insemination.[1][2][3][4][5]

Biosynthesis

Androstenone is synthesized from androstadienone by 5α-reductase, and can be converted into 3α-androstenol or 3β-androstenol by 3-ketosteroid reductase.[6]

Properties

Depending upon the subject, it is reported to be an unpleasant, sweaty, urinous smell, a woody smell, or even a pleasant floral smell.[3][7][8]

There are two different genotypes that allow an individual to smell androstenone. The first genotype, which consists of two fully functional copies of the gene, is the RT/RT allele, and the second is the RT/WM allele.[9] The OR7D4 receptor[4] has two non-synonymous single nucleotide polymorphisms,[10] which cause the gene to have two amino acid substitutions, which in turn cause the receptor to act differently. Those in possession of the two proper genes, (RT/RT) for OR7D4 tend to describe the odor for the steroid as the odor of stale urine. Those with only one gene (RT/WM) typically described the odor as weak or were not able to detect it. They can also find the smell 'pleasant', 'sweet' or 'similar to vanilla'.[11]

In small amounts, the odor is hardly detectable by most people. This may be due to a polymorphism in the receptor gene that codes for the androstenone receptor.[12] However, the ability to detect the odor varies greatly. It has been shown that the odor can be detected by people down to levels of 0.2 parts per billion to 0.2 parts in 100 million.[13] Several groups report, however, that some individuals who initially cannot smell androstenone can learn to smell it by repeated exposures to it.[14]

Detectability as a pheromone

In humans, androstenone also has been suggested to be a pheromone; however, there is little scientific data to support this claim.[15] The vomeronasal organ is an auxiliary olfactory sense organ responsible for the detection of pheromones as more than just an odor. Most adult humans possess something resembling this organ, but there is no active function. Humans lack the sensory cells that exist in other mammals needed to detect pheromones beyond a smell. Humans also lack the genetic ability to produce these sensory cells actively.{{Citation needed|reason=the citation was of a entry in New scientist which is a non-peer-reviewed popular science magazine|date=March 2014}}

There is also a specific anosmia to the odor in some humans; they are unable to smell specific odors, but have, otherwise, a normal sense of smell. However, this should, by no means, be regarded as indicative for being labeled as a pheromone, as it is true of over 80 olfactory compounds.[16]

To animals, the smell of androstenone can act as a social sign of dominance, or it can be a way of attracting a mate.

Commercial use

Some commercially available products are advertised using claims that they contain human sexual pheromones, including androstenone, and that they can act as an aphrodisiac. These products are the subject of marketing by mass unsolicited e-mail

See also

  • List of neurosteroids § Pheromones and pherines

References

1. ^{{Cite journal | last1 = Pierce | first1 = J. D., J. | last2 = Cohen | first2 = A. B. | last3 = Ulrich | first3 = P. M. | doi = 10.1037/0735-7036.118.1.14 | title = Responsivity to Two Odorants, Androstenone and Amyl Acetate, and the Affective Impact of Odors on Interpersonal Relationships | journal = Journal of Comparative Psychology | volume = 118 | issue = 1 | pages = 14–19 | year = 2004 | pmid = 15008668| pmc = }}
2. ^{{Cite journal | last1 = Dorries | first1 = K. M. | last2 = Adkins-Regan | first2 = E. | last3 = Halpern | first3 = B. P. | title = Sensitivity and Behavioral Responses to the Pheromone Androstenone Are Not Mediated by the Vomeronasal Organ in Domestic Pigs | doi = 10.1159/000112981 | journal = Brain, Behavior and Evolution | volume = 49 | pages = 53 | year = 1997 | pmid = | pmc = }}
3. ^{{Cite journal | doi = 10.1073/pnas.86.20.7976 | last1 = Wysocki | first1 = C. J. | last2 = Dorries | first2 = K. M. | last3 = Beauchamp | first3 = G. K. | title = Ability to perceive androstenone can be acquired by ostensibly anosmic people | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 86 | issue = 20 | pages = 7976–7978 | year = 1989 | pmid = 2813372 | pmc = 298195}}
4. ^{{Cite journal | doi = 10.1073/pnas.81.15.4899 | last1 = Wysocki | first1 = C. J. | last2 = Beauchamp | first2 = G. K. | title = Ability to smell androstenone is genetically determined | journal = Proceedings of the National Academy of Sciences of the United States of America | volume = 81 | issue = 15 | pages = 4899–4902 | year = 1984 | pmid = 6589634 | pmc = 391599}}
5. ^{{Cite journal | doi = 10.1016/S0309-1740(99)00105-9 | last1 = Bonneau | first1 = M. | last2 = Walstra | first2 = P. | last3 = Claudi-Magnussen | first3 = C. | last4 = Kempster | first4 = A. J. | last5 = Tornberg | first5 = E. | last6 = Fischer | first6 = K. | last7 = Diestre | first7 = A. | last8 = Siret | first8 = F. | last9 = Chevillon | first9 = P. | last10 = Claus | first10 = R. | last11 = Dijksterhuis | first11 = G. | last12 = Punter | first12 = P. | last13 = Matthews | first13 = K. R. | last14 = Agerhem | first14 = H. | last15 = Béague | first15 = M. P. | last16 = Oliver | first16 = M. A. | last17 = Gispert | first17 = M. | last18 = Weiler | first18 = U. | last19 = Von Seth | first19 = G. | last20 = Leask | first20 = H. | last21 = Font i Furnols | first21 = M. | last22 = Homer | first22 = D. B. | last23 = Cook | first23 = G. L. | title = An international study on the importance of androstenone and skatole for boar taint: IV. Simulation studies on consumer dissatisfaction with entire male pork and the effect of sorting carcasses on the slaughter line, main conclusions and recommendations | journal = Meat science | volume = 54 | issue = 3 | pages = 285–295 | year = 2000 | pmid = 22060698}}
6. ^{{cite book|title=Biochemical pathways in human testicular steroidogenesis|author1=Joseph Johannes|author2=Agnes Maria Weusten|year=1989|publisher=Pressa Trajectina|url=http://repository.ubn.ru.nl/bitstream/handle/2066/113615/mmubn000001_074818627.pdf?sequence=-1}}
7. ^{{cite web | title = Sniffers' genes dictate if sweat smells sweet | work = New Scientist | date = 2007-09-22 | url = https://www.newscientist.com/channel/being-human/mg19526225.600-sniffers-genes-dictate-if-sweat-smells-sweet.html | accessdate = 2007-09-25 }}
8. ^{{cite web |last=Steenhuysen |first=Julie |title=Stinky? It's not his sweat, it's your nose |agency=Reuters |location=Chicago |date=2007-09-16 |url=https://www.reuters.com/article/2007/09/16/us-genes-odor-idUSN1522717720070916 |accessdate=2007-09-25 |deadurl=yes |archiveurl=https://web.archive.org/web/20120816003210/http://www.reuters.com/article/2007/09/16/us-genes-odor-idUSN1522717720070916 |archivedate=2012-08-16 |df= }}
9. ^http://web.ebscohost.com/src/pdf?vid=9&hid=13&sid=802c875e-0200-4687-8e68-25dd33572ceb%40sessionmgr10 {{dead link|date=September 2016}}
10. ^{{cite web|url=http://newswire.rockefeller.edu/?id%3D660%26page%3Dengine |title=Archived copy |accessdate=2009-12-04 |deadurl=yes |archiveurl=https://web.archive.org/web/20101017224156/http://newswire.rockefeller.edu/?page=engine&id=660 |archivedate=2010-10-17 |df= }}
11. ^{{cite web | last = Swaminathan | first = Nikhil | title = The Scent of a Man | work = Scientific American | date = 2007-09-18 | url = http://www.sciam.com/article.cfm?articleID=19CCCAFF-E7F2-99DF-394B61DF5ECC42B3&sc=I100322 | accessdate = 2007-09-25 }}
12. ^{{Cite journal | last1 = Lundstrom | first1 = J. N. | last2 = Seven | first2 = S. | last3 = Olsson | first3 = M. J. | last4 = Schaal | first4 = B. | last5 = Hummel | first5 = T. | title = Olfactory Event-Related Potentials Reflect Individual Differences in Odor Valence Perception | doi = 10.1093/chemse/bjl012 | journal = Chemical Senses | volume = 31 | issue = 8 | pages = 705–711 | year = 2006 | pmid = 16844768| pmc = }}
13. ^{{cite web | last = Birchall | first = Annabelle | title = A whiff of happiness: Can smelling a molecule contained in human sweat ease anxiety and stress? Some scientists think so, and argue that 'osmotherapy' may also help people to slim or stop smoking | work = New Scientist | date = 1990-08-25 | url = https://www.newscientist.com/article/mg12717314.700-a-whiff-of-happiness-can-smelling-a-molecule-contained-inhuman-sweat-ease-anxiety-and-stress-some-scientists-think-so-and-arguethat-osmotherapy-may-also-help-people-to-slim-or-stop-smoking-.html | accessdate = 2007-09-25}}
14. ^{{cite web | last = Graham | first = Sarah | title = Nostrils Share Information for Recognizing Scents | work = Scientific American | date = 2002-10-23 | url = http://www.sciam.com/article.cfm?articleID=0004E938-FE5B-1DB6-94E2809EC5880108&sc=I100322 | accessdate = 2007-09-25 }}
15. ^Kirk-Smith, M.D., and Booth, D.A. (1980) "Effect of androstenone on choice of location in others' presence". In H. van der Starre (Ed.), Olfaction and Taste VII, London: Information Retrieval Ltd., pp.397-400.
16. ^{{Cite journal | last1 = Araneda | first1 = R. C. | last2 = Firestein | first2 = S. | doi = 10.1113/jphysiol.2003.057075 | title = The scents of androstenone in humans | journal = The Journal of Physiology | volume = 554 | issue = Pt 1 | pages = 1 | year = 2003 | pmid = 14678483| pmc =1664751 }}
{{Pheromones and pherines}}{{Steroid hormones}}

4 : Androstanes|Human pheromones|Mammalian pheromones|Neurosteroids

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