Linalool je prirodni terpenski alkohol koji je prisutan u mnogim cvetajućim i začinskim biljkama. On ima mnoštvo komercijalnih primena, većina kojih se bazira na prijatnom mirisu. Njegova druga imena su: β-linalool, linalil alkohol, linaloil oksid, p-linalool, alo-ocimenol, i 2,6-dimetil-2,7-oktadien-6-ol.

Linalool
Skeletal formula
Ball-and-stick model
Nazivi
IUPAC naziv
3,7-dimetilokta-1,6-dien-3-ol
Identifikacija
3D model (Jmol)
ChEBI
ChemSpider
ECHA InfoCard 100.001.032
UNII
  • CC(O)(C=C)CCC=C(C)C
Svojstva
C10H18O
Molarna masa 154,25 g/mol
Gustina 0,858 – 0,868 g/cm3
Tačka topljenja < −20 °C
Tačka ključanja 198–199 °C
1,589 g/l
Opasnosti
NFPA 704
NFPA 704 four-colored diamondFlammability code 2: Must be moderately heated or exposed to relatively high ambient temperature before ignition can occur. Flash point between 38 and 93 °C (100 and 200 °F). E.g., diesel fuelHealth code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentineКод реактивности 0: Нормално стабилан, чак и под стањем изложености ватри; није реактиван с водом (нпр. течни азот)Special hazards (white): no code
2
1
0
Tačka paljenja 55 °C
Ukoliko nije drugačije napomenuto, podaci se odnose na standardno stanje materijala (na 25 °C [77 °F], 100 kPa).
ДаY verifikuj (šta je ДаYНеН ?)
Reference infokutije

Priroda уреди

Preko 200 biljnih vrsta proizvodi linalool. One su uglavnom iz porodica Lamiaceae (menta, mirišljave trave), Lauraceae (lavor, cimet, palisandrovo drvo), i Rutaceae (citrusno voće).

Enantiomeri уреди

Linalool ima stereogeni centar na C3 i stoga postoje dva stereoizomera: (R)-(–)-linalool je takođe poznat kao likareol i (S)-(+)-linalool ili koriandrol.

 
(S)-(+)-linalool (levo) i (R)-(–)-linalool (desno)

Literatura уреди

  • Casabianca H, Graff JB, Faugier V, Fleig F, Grenier C (1998) Enantiomeric distribution studies of linalool and linalyl acetate. A powerful tool for authenticity control of essential oils. HRC J High Res Chrom 21:107-112
  • Lewinshon E, Schalechet F, Wilkinson J, Matsui K, Tadmor Y, Nam K, Amar O, Lastochkin E, Larkov O, Ravid U, Hiatt W, Gepstein S, Pichersky E (2001) Enhanced levels of the aroma and flavor compound S-linalool by metabolic engineering of the terpenoid pathway in tomato fruits. Plant Physiol 127:1256–1265
  • Pengelly, Andrew. The Constituents of Medicinal Plants. 2nd Ed. 2004. CABI Publishing, U.S.A. and UK.
  • Raguso RA, Pichersky E (1999) A day in the life of a linalool molecule: chemical communication in a plant-pollinator system. Part 1: linalool biosynthesis in flowering plants. Plant Species Biol 14:95-120
  • Akio Nakamura, Satoshi Fujiwara, Ichiro Matsumoto and Keiko Abe. Stress Repression in Restrained Rats by (R)-(−)-Linalool Inhalation and Gene Expression Profiling of Their Whole Blood Cells. J. Agric. Food Chem., 2009, 57 (12), pp 5480–5485.

Reference уреди

  1. ^ Li Q, Cheng T, Wang Y, Bryant SH (2010). „PubChem as a public resource for drug discovery.”. Drug Discov Today. 15 (23-24): 1052—7. PMID 20970519. doi:10.1016/j.drudis.2010.10.003.  уреди
  2. ^ Evan E. Bolton; Yanli Wang; Paul A. Thiessen; Stephen H. Bryant (2008). „Chapter 12 PubChem: Integrated Platform of Small Molecules and Biological Activities”. Annual Reports in Computational Chemistry. 4: 217—241. doi:10.1016/S1574-1400(08)00012-1. 

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