(E)-β-Farnesene
(E)-β-Farnesene structure
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Common Name | (E)-β-Farnesene | ||
|---|---|---|---|---|
| CAS Number | 18794-84-8 | Molecular Weight | 204.35100 | |
| Density | 0.807 g/cm3 | Boiling Point | 272.5ºC at 760 mmHg | |
| Molecular Formula | C15H24 | Melting Point | < 25ºC | |
| MSDS | Chinese USA | Flash Point | 230°F(110ºC) | |
| Symbol |
GHS07 |
Signal Word | Warning | |
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Psychopharmacological profile of Chamomile (Matricaria recutita L.) essential oil in mice.
Phytomedicine 19(3-4) , 306-10, (2012) In this study, the effect of Matricaria recutita L. essential oil (MEO) on the central nervous system (CNS) of mice was investigated using some behavioral methods. Chemical profiling both by GC and GC-MS analyses of the hydrodistilled essential oil of M. recu... |
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Probing the mechanism of 1,4-conjugate elimination reactions catalyzed by terpene synthases.
J. Am. Chem. Soc. 134(51) , 20844-8, (2012) The reaction mechanisms of (E)-β-farnesene synthase (EBFS) and isoprene synthase (ISPS), enzymes that catalyze a formal regiospecific 1,4-conjugate elimination of hydrogen diphosphate from (E,E)-farnesyl and dimethylallyl diphosphate (FDP and DMADP) to genera... |
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Chemical composition of essential oils from leaves, stems, flower heads and roots of Conyza bonariensis L. from Tunisia.
Nat. Prod. Res. 25(1) , 77-84, (2011) The essential oils isolated at the flowering stage in spring, summer and autumn of the aerial and underground parts of Conyza bonariensis L. growing in Tunisia were analysed by GC and GC/MS; 143 constituents were identified, and among them 20 were major. The ... |
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Alarm pheromone habituation in Myzus persicae has fitness consequences and causes extensive gene expression changes.
Proc. Natl. Acad. Sci. U. S. A. 107(33) , 14673-8, (2010) In most aphid species, facultative parthenogenetic reproduction allows rapid growth and formation of large single-genotype colonies. Upon predator attack, individual aphids emit an alarm pheromone to warn the colony of this danger. (E)-beta-farnesene (EBF) is... |
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Conserved odorant-binding proteins from aphids and eavesdropping predators.
PLoS ONE 6(8) , e23608, (2011) The sesquiterpene (E)-ß-farnesene is the main component of the alarm pheromone system of various aphid species studied to date, including the English grain aphid, Sitobion avenae. Aphid natural enemies, such as the marmalade hoverfly Episyrphus balteatus and ... |
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Do aphid colonies amplify their emission of alarm pheromone?
J. Chem. Ecol. 34(9) , 1149-52, (2008) When aphids are attacked by natural enemies, they emit alarm pheromone to alert conspecifics. For most aphids tested, (E)-beta-farnesene (EBF) is the main, or only, constituent of the alarm pheromone. In response to alarm pheromone, alerted aphids drop off th... |
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Emission of alarm pheromone in aphids: a non-contagious phenomenon.
J. Chem. Ecol. 34(9) , 1146-8, (2008) In response to attack by natural enemies, most aphid species release an alarm pheromone that causes nearby conspecifics to cease feeding and disperse. The primary component of the alarm pheromone of most species studied is (E)-beta-farnesene. We recently demo... |
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(E)-β-farnesene synthase genes affect aphid (Myzus persicae) infestation in tobacco (Nicotiana tabacum).
Funct. Integr. Genomics 12(1) , 207-13, (2012) Aphids are major agricultural pests which cause significant yield losses of the crop plants each year. (E)-β-farnesene (EβF) is the alarm pheromone involved in the chemical communication between aphids and particularly in the avoidance of predation. In the pr... |
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Chemical composition of the essential oil from the flowering aerial parts of Bupleurum hamiltonii Balak from Uttarakhand, India.
Nat. Prod. Res. 26(15) , 1442-5, (2012) The essential oil from the flowering aerial parts of Bupleurum hamiltonii Balak syn. Bupleurum tenue family Apiaceae (Umbellifereae) was obtained by steam distillation and analysed by a combination of GC (RI) and GC-MS. The chemical composition of the isolate... |
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Comparative study on the antioxidant activities of the different extracts and the composition of the oil extracted by n-hexane from Iranian Vitex pseudo-negundo.
Nat. Prod. Res. 26(23) , 2162-7, (2012) Antioxidant activities of different extracts obtained from the aerial parts of Vitex pseudo-negundo from Kashan, central Iran, were evaluated for the first time in this study using β-carotene/linoleic acid and scavenging of free-radical (DPPH) assays. Water e... |