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色醇

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色醇
Chemical structure of tryptophol
IUPAC名
2-(1H-Indol-3-yl)ethanol
2-(1H-3-吲哚基)乙醇
別名 吲哚-3-乙醇
吲哚乙醇
識別
CAS號 526-55-6  checkY
PubChem 10685
ChemSpider 10235
SMILES
 
  • C1=CC=C2C(=C1)C(=CN2)CCO
ChEBI 17890
性質
化學式 C10H11NO
摩爾質量 161.2 g·mol−1
熔點 59 °C(332 K)
危險性
GHS危險性符號
《全球化學品統一分類和標籤制度》(簡稱「GHS」)中易燃物的標籤圖案 《全球化學品統一分類和標籤制度》(簡稱「GHS」)中有毒物質的標籤圖案
GHS提示詞 danger
H-術語 H225, H300+310+330
P-術語 P210, P262, P280, P301+310+330, P302+352+310, P304+340+310
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。
色醇的紫外可見光譜。

色醇(英語:Tryptophol)是一種芳香醇,可誘導人類睡眠。它作為酒精發酵的副產品存在於葡萄酒中。它於1912年由費利克斯·埃爾利希首次描述。它也由昏睡病中的錐蟲寄生蟲產生。

它作為二硫龍治療的副作用在肝臟中形成。[1]

自然產生

色醇可以在歐洲赤松[2]或種子中找到。[3] 它可由昏睡病(非洲錐蟲病)中的錐蟲寄生蟲(布氏錐蟲英語Trypanosoma brucei)產生。[1][4] 色醇存在於葡萄酒[5]啤酒中,作為釀酒酵母進行酒精發酵的次級產物[6]。 它也是一種由白色念珠菌產生的自身抗生素。[7] 它也可以從海綿Ircinia spiculosa英語Ircinia spiculosa中分離出來。[8]

代謝

它由費利克斯·埃爾利在1912年首次描述。埃爾利證明酵母主要通過分解二氧化碳和用羥基取代氨基來攻擊天然氨基酸。通過該反應使得色氨酸生成色醇。[9]色氨酸首先脫氨基生成3-吲哚丙酮酸。然後通過吲哚丙酮酸脫羧酶將其脫羧[10]生成吲哚乙醛。後一種化合物通過乙醇脫氫酶轉化為色醇。[11]

生物效應

色醇及其衍生物5-羥基色氨酸和5-甲氧基色氨酸可誘導小鼠睡眠。在250mg/kg劑量下,它會誘導持續不到一小時的睡眠樣狀態。[12]些化合物可能在生理睡眠機制中發揮作用。[13]它可能是血清素褪黑素的功能類似物,這些化合物參與睡眠調節。

色醇在體外顯示出基因毒性[14] 色氨酸是釀酒酵母群聚感應分子。[15]它也存在於慢性錐蟲病患者的血液中。出於這個原因,它可能是錐蟲寄生蟲的群聚感應分子。[14]

在錐蟲感染的情況下,色氨酸會降低宿主的免疫反應。[16]

由於它是在攝入乙醇二硫龍治療後在肝臟中形成,因此它也與酒精成癮的研究有關。[1][12]吡唑和乙醇已被證明可抑制外源色醇轉化為吲哚-3-乙酸,並增強色醇對小鼠的睡眠誘導低溫作用。[17]

它是黃瓜下胚軸節段的生長促進劑。[18]

參見

參考資料

  1. ^ 1.0 1.1 1.2 Cornford, E. M.; Bocash, W. D.; Braun, L. D.; Crane, P. D.; Oldendorf, W. H.; MacInnis, A. J. Rapid distribution of tryptophol (3-indole ethanol) to the brain and other tissues. Journal of Clinical Investigation. 1979, 63 (6): 1241–1248. PMC 372073可免費查閱. PMID 447842. doi:10.1172/JCI109419. 
  2. ^ Sandberg, Göran. Biosynthesis and metabolism of indole-3-ethanol and indole-3-acetic acid by Pinus sylvestris L. Needles. Planta. 1984, 161 (5): 398–403. PMID 24253838. S2CID 23500542. doi:10.1007/BF00394569. 
  3. ^ Sandberg, Goran; Ernstsen, Arild; Hamnede, Marianne. Dynamics of indole-3-acetic acid and indole-3-ethanol during development and germination of Pinus sylvestris seeds. Physiologia Plantarum. 1987, 71 (4): 411–418. doi:10.1111/j.1399-3054.1987.tb02876.x. 
  4. ^ Richard Seed, John; Seed, Thomas M.; Sechelski, John. The biological effects of tryptophol (indole-3-ethanol): Hemolytic, biochemical and behavior modifying activity. Comparative Biochemistry and Physiology C. 1978, 60 (2): 175–185. PMID 28889. doi:10.1016/0306-4492(78)90091-6. 
  5. ^ Gil, C.; Gómez-Cordovés, C. Tryptophol content of young wines made from Tempranillo, Garnacha, Viura and Airén grapes. Food Chemistry. 1986, 22: 59–65. doi:10.1016/0308-8146(86)90009-9. 
  6. ^ Ribéreau-Gayon, P; Sapis, JC. On the presence in wine of tyrosol, tryptophol, phenylethyl alcohol and gamma-butyrolactone, secondary products of alcoholic fermentation. Comptes Rendus de l'Académie des Sciences, Série D. 1965, 261 (8): 1915–6. PMID 4954284.  (Article in French)
  7. ^ Lingappa, BT; Prasad, M; Lingappa, Y; Hunt, DF; Biemann, K. Phenethyl alcohol and tryptophol: Autoantibiotics produced by the fungus Candida albicans. Science. 1969, 163 (3863): 192–4. Bibcode:1969Sci...163..192L. PMID 5762768. S2CID 12430791. doi:10.1126/science.163.3863.192. 
  8. ^ Erdoğan, İlkay; Sener, B; Higa, T. Tryptophol, a plant auxin isolated from the marine sponge Ircinia spinulosa. Biochemical Systematics and Ecology. 2000, 28 (8): 793–794. PMID 10856636. doi:10.1016/S0305-1978(99)00111-8. 
  9. ^ Richard W. Jackson (1930). A synthesis of tryptophol (PDF). Journal of Biological Chemistry: 659–662. [2022-10-02]. (原始內容存檔 (PDF)於2019-07-20). 
  10. ^ Dickinson, JR; Salgado, LE; Hewlins, MJ. The catabolism of amino acids to long chain and complex alcohols in Saccharomyces cerevisiae. The Journal of Biological Chemistry. 2003, 278 (10): 8028–34. PMID 12499363. doi:10.1074/jbc.M211914200可免費查閱. 
  11. ^ Pathway: tryptophan degradation VIII (to tryptophol) at BioCyc.org. [2022-10-02]. (原始內容存檔於2022-10-07). 
  12. ^ 12.0 12.1 Cornford, Eain M.; Crane, Paul D.; Braun, Leon D.; Bocash, William D.; Nyerges, Anthony M.; Oldendorf, William H. Reduction in Brain Glucose Utilization Rate after Tryptophol (3-Indole Ethanol) Treatment. Journal of Neurochemistry. 1981, 36 (5): 1758–65. PMID 7241135. S2CID 9169087. doi:10.1111/j.1471-4159.1981.tb00428.x. 
  13. ^ Feldstein, A.; Chang, F.H.; Kucharski, J.M. Tryptophol, 5-hydroxytryptophol and 5-methoxytryptophol induced sleep in mice. Life Sciences. 1970, 9 (6): 323–9. PMID 5444013. doi:10.1016/0024-3205(70)90220-1. 
  14. ^ 14.0 14.1 Kosalec, Ivan; Ramić, Snježana; Jelić, Dubravko; Antolović, Roberto; Pepeljnjak, Stjepan; Kopjar, Nevenka. Assessment of Tryptophol Genotoxicity in Four Cell Lines in Vitro: A Pilot Study with Alkaline Comet Assay. Archives of Industrial Hygiene and Toxicology. 2011, 62 (1): 41–49 [2022-10-02]. PMID 21421532. doi:10.2478/10004-1254-62-2011-2090可免費查閱. (原始內容存檔於2021-03-06). 
  15. ^ Wuster, Arthur; Babu, M. Madan. Transcriptional control of the quorum sensing response in yeast. Molecular BioSystems. 2010, 6 (1): 134–41. PMID 20024075. doi:10.1039/B913579K. 
  16. ^ Ackerman, S. B.; Seed, J. R. The effects of tryptophol on immune responses and its implications toward trypanosome-induced immunosuppression. Experientia. 1976, 32 (5): 645–7. PMID 776647. S2CID 12695689. doi:10.1007/BF01990212. 
  17. ^ Seed, John Richard; Sechelski, John. Tryptophol levels in mice injected with pharmacological doses of tryptophol, and the effect of pyrazole and ethanol on these levels. Life Sciences. 1977, 21 (11): 1603–10. PMID 600013. doi:10.1016/0024-3205(77)90237-5. 
  18. ^ Rayle, DL; Purves, WK. Isolation and Identification of Indole-3-Ethanol (Tryptophol) from Cucumber Seedlings. Plant Physiology. 1967, 42 (4): 520–524. PMC 1086576可免費查閱. PMID 16656532. doi:10.1104/pp.42.4.520.