218251

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Constituents of the essential oil of Suregada zanzibariensis leaves are repellent to the mosquito, Anopheles gambiae ss.

Innocent E, et al.

Journal of Insect Science, 10(1), 57-57 (2010)

Population densities and tree diameter effects associated with verbenone treatments to reduce mountain pine beetle-caused mortality of lodgepole pine.

R A Progar et al.

Journal of economic entomology, 106(1), 221-228 (2013-03-02)

Mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae: Scolytinae), is among the primary causes of mature lodgepole pine, Pinus contorta variety latifolia mortality. Verbenone is the only antiaggregant semiochemical commercially available for reducing mountain pine beetle infestation of lodgepole pine.

Roles of human CYP2A6 and 2B6 and rat CYP2C11 and 2B1 in the 10-hydroxylation of (-)-verbenone by liver microsomes.

Mitsuo Miyazawa et al.

Drug metabolism and disposition: the biological fate of chemicals, 31(8), 1049-1053 (2003-07-18)

(-)-Verbenone, a monoterpene bicyclic ketone, is a component of the essential oil from rosemary species such as Rosmarinus officinalis L., Verbena triphylla, and Eucalyptus globulus and is used for an herb tea, a spice, and a perfume. In this study

High-performance liquid chromatographic method for the determination of (-)-verbenone 10-hydroxylation catalyzed by rat liver microsomes.

Mitsuo Miyazawa et al.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 793(2), 291-296 (2003-08-09)

A sensitive assay for the determination of (-)-verbenone 10-hydroxylation catalyzed by rat liver microsomes was developed using high-performance liquid chromatography. Verbenone was incubated in vitro with liver microsomes of untreated rats and rats treated with phenobarbital and the products thus

Synthesis of (1R)-(+)-nopinone-and (1S)-(-)-verbenone-derived chiral annulated indenes via electrocyclic reactions.

Liu C and Sowa JR.

Tetrahedron Letters, 37(40), 7241-7244 (1996)

Gut-Associated Bacteria of Dendroctonus valens and their Involvement in Verbenone Production.

Letian Xu et al.

Microbial ecology, 70(4), 1012-1023 (2015-05-20)

Bark beetles are the most important mortality agent in coniferous forests, and pheromones play important roles in their management. Dendroctonus valens LeConte was introduced from North America to China and has killed millions of healthy pines there. Trapping with semiochemicals

Improved monoterpene biotransformation with Penicillium sp. by use of a closed gas loop bioreactor.

Michael Pescheck et al.

Journal of industrial microbiology & biotechnology, 36(6), 827-836 (2009-03-27)

A closed gas loop bioprocess was developed to improve fungal biotransformation of monoterpenes. By circulating monoterpene-saturated process gas, the evaporative loss of the volatile precursor from the medium during the biotransformation was avoided. Penicillium solitum, isolated from kiwi, turned out

Efficacy of "Verbenone Plus" for protecting ponderosa pine trees and stands from Dendroctonus brevicomis (Coleoptera: Curculionidae) attack in British Columbia and California.

Christopher J Fettig et al.

Journal of economic entomology, 105(5), 1668-1680 (2012-11-20)

The western pine beetle, Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae, Scolytinae), is a major cause of ponderosa pine, Pinus ponderosa Douglas ex Lawson, mortality in much of western North America. We review several years of research that led to the identification

Volatile organic compounds from Centaurium erythraea Rafn (Croatia) and the antimicrobial potential of its essential oil.

Igor Jerković et al.

Molecules (Basel, Switzerland), 17(2), 2058-2072 (2012-02-22)

GC and MS were used for the analysis of Croatian Centaurium erythraea Rafn essential oil (obtained by hydrodistillation) and headspace (applying headspace solid-phase microextraction). The headspace contained numerous monoterpene hydrocarbons (the major ones were terpinene-4-ol, methone, p-cymene, γ-terpinene and limonene).

Feeding response to host and nonhost compounds by males and females of the spruce bark beetle Ips typographus in a tunneling microassay.

Massimo Faccoli et al.

Journal of chemical ecology, 31(4), 745-759 (2005-08-30)

Research on host selection by bark and wood boring insects has concentrated on flight orientation behavior. Less is known of the factors that govern the steps successive to host landing. Here, we discuss chemical factors involved in host acceptance by

Quantitative association of bark beetles with pitch canker fungus and effects of verbenone on their semiochemical communication in Monterey pine forests in Northern Spain.

Pedro Romón et al.

Environmental entomology, 36(4), 743-750 (2007-08-25)

The association between 11 species of bark beetles (Coleoptera: Scolytinae) and one weevil (Coleoptera: Entiminae) with the pitch canker fungus, Fusarium circinatum Nirenberg and O'Donnell, was determined by crushing beetles on selective medium and histone H3 gene sequencing. Pityophthorus pubescens

Myrtenal inhibits acetylcholinesterase, a known Alzheimer target.

Dorothea Kaufmann et al.

The Journal of pharmacy and pharmacology, 63(10), 1368-1371 (2011-09-09)

Inhibition of acetylcholinesterase (AChE) is a common treatment for early stages of the most general form of dementia, Alzheimer's disease. In this study selected components of essential oils, which carry a variety of important functional groups, were tested for their

A test of high-dose verbenone for stand-level protection of lodgepole and whitebark pine from mountain pine beetle (Coleoptera: Curculionidae: Scolytinae) attacks.

B J Bentz et al.

Journal of economic entomology, 98(5), 1614-1621 (2005-12-13)

The efficacy of verbenone as a stand-level protectant against mountain pine beetle, Dendroctonus ponderosae Hopkins, attacks was tested in lodgepole and whitebark pine stands at five geographically separated sites, including three consecutive years at one site. Forty and 20 high-dose

Antibacterial activity of the essential oil from Rosmarinus officinalis and its major components against oral pathogens.

Wagner A Bernardes et al.

Zeitschrift fur Naturforschung. C, Journal of biosciences, 65(9-10), 588-593 (2010-12-09)

The essential oil of Rosmarinus officinalis L. (rosemary) was obtained by hydro-distillation and analysed by gas chromatography-mass spectrometry. Sixty-two constituents were identified, representing 98.06% of the total oil content. Oxygenated monoterpenes were the predominant components. The rosemary oil was characterized

Discovery of novel (1S)-(-)-verbenone derivatives with anti-oxidant and anti-ischemic effects.

Chung Ju et al.

Bioorganic & medicinal chemistry letters, 23(19), 5421-5425 (2013-08-21)

A series of novel (1S)-(-)-verbenone derivatives was synthesized bearing a 4-styryl scaffold. The synthesized compounds were tested for their anti-oxidant, anti-excitotoxic, and anti-ischemic activities. These derivatives significantly reduced oxygen-glucose deprivation-induced neuronal injury and N-methyl-D-aspartic acid-evoked excitotoxicity in cortical neurons. Furthermore

Bioconversion of (+)-and (-)-alpha-pinene to (+)-and (-)-verbenone by plant cell cultures of Psychotria brachyceras and Rauvolfia sellowii.

Limberger RP, et al.

Electronic journal of Biotechnology, 10(4), 500-507 (2007)

Electrophysiological and behavioural responses of Pityophthorus pubescens (Coleoptera: Scolytinae) to (E,E)-α-farnesene, (R)-(+)-limonene and (S)-(-)-verbenone in Pinus radiata (Pinaceae) stands in northern Spain.

Sergio López et al.

Pest management science, 69(1), 40-47 (2012-07-06)

Some twig beetles in the genus Pityophthorus (Coleoptera: Scolytinae) may vector pitch canker disease Fusarium circinatum (Niremberg & O'Donnell) of Pinus spp. (Pinaceae). Because Pityophthorus pubescens (Marsh.) has been found to be associated with F. circinatum in the Basque Country

Stereoselective Rh-catalyzed hydrogenation of cyclobutyl chiral enamides: double stereodifferentiation vs catalyst-controlled diastereoselection.

Gemma P Aguado et al.

The Journal of organic chemistry, 69(23), 7971-7978 (2004-11-06)

The hydrogenation reactions of several cyclobutyl enamides derived from (-)-alpha-pinene or (-)-verbenone have been investigated by using different catalysts. The chiralities of both the substrate and the catalyst as well as the Z/E stereochemistry of the double bond have been

Chemical composition and antibacterial activity of the essential oil and the gum of Pistacia lentiscus Var. chia.

Christina Koutsoudaki et al.

Journal of agricultural and food chemistry, 53(20), 7681-7685 (2005-09-30)

The essential oil and gum of Pistacia lentiscus var. chia, commonly known as the mastic tree, are natural antimicrobial agents that have found extensive uses in medicine in recent years. In this work, the chemical composition of mastic oil and

Biotransformation of progesterone by cultured cells of Marchantia polymorpha.

Mamdouh S A Haridy et al.

Zeitschrift fur Naturforschung. C, Journal of biosciences, 65(9-10), 599-602 (2010-12-09)

Cell suspensions of Marchantia polymorpha hydrogenate progesterone to 5alpha-pregnane-3,20-dione. Structure elucidation of the product was achieved by comprehensive NMR analyses.

Efficacy of verbenone for protecting ponderosa pine stands from western pine beetle (Coleoptera: Curculionidae: Scolytinae) attack in California.

Christopher J Fettig et al.

Journal of economic entomology, 102(5), 1846-1858 (2009-11-06)

The western pine beetle, Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae: Scolytinae), is a major cause of ponderosa pine, Pinus ponderosa Dougl. ex Laws., mortality in much of western North America. Currently, techniques for managing D. brevicomis infestations are limited. Verbenone (4,6,6-trimethylbicyclo

Test of nonhost angiosperm volatiles and verbenone to protect trap trees for Sirex noctilio (Hymenoptera: Siricidae) from attacks by bark beetles (Coleoptera: Scolytidae) in the northeastern United States.

Kevin J Dodds et al.

Journal of economic entomology, 103(6), 2094-2099 (2011-02-12)

Sirex noctilio F. (Hymenoptera: Siricidae) is an invasive woodwasp, currently established in northeastern North America. In other regions of the world, stressed trap trees are used to monitor populations of S. noctilio and to provide inoculation points for the biological

Semiochemical emission from individual galleries of the southern pine beetle, (Coleoptera: Curculionidae: Scolytinae), attacking standing trees.

Deepa S Pureswaran et al.

Journal of economic entomology, 105(1), 140-148 (2012-03-17)

We collected, identified, and quantified volatiles arising from individual gallery entrances of the monogamous bark beetle Dendroctonus frontalis Zimmermann. Samples were collected while the insects were mass attacking mature loblolly pines (Pinus taeda L.) in an established infestation in western

Up-regulation of astroglial heme oxygenase-1 by a synthetic (S)-verbenone derivative LMT-335 ameliorates oxygen-glucose deprivation-evoked injury in cortical neurons.

Chung Ju et al.

Biochemical and biophysical research communications, 431(3), 484-489 (2013-01-22)

Excessive generation of free radicals is regarded as a major detrimental factor in cerebral ischemic insults. Neurons are particularly vulnerable to oxidative stress due to their limited anti-oxidant capacity. As an important source of antioxidants in the brain, astroglia are

Formation of trans-verbenol and verbenone from alpha-pinene catalysed by immobilised Picea abies cells.

Tomás Vanek et al.

Bioscience, biotechnology, and biochemistry, 69(2), 321-325 (2005-02-24)

Both enantiomers and the racemate of alpha-pinene were transformed by Picea abies cells immobilised on alginate. The main products were cis- and trans-verbenol, the later being further transformed to verbenone. The enantiomeric purity of each product more or less corresponded

Chemoenzymatic synthesis of the alarm pheromone (+)-verbenone from geranyl diphosphate.

Zulfa Yoosuf-Aly et al.

Chemical communications (Cambridge, England), 48(56), 7040-7042 (2012-06-12)

The enzyme-guided asymmetric synthesis of (+)-verbenone from geranyl diphosphate in a simple two-step, one pot transformation highlights the potential of chemoenzymatic procedures for the generation of high-value terpenoids.

Nonhost angiosperm volatiles and verbenone disrupt response of western pine beetle, Dendroctonus brevicomis (Coleoptera: Scolytidae), to attractant-baited traps.

Christopher J Fettig et al.

Journal of economic entomology, 98(6), 2041-2048 (2006-03-17)

Nonhost angiosperm volatiles and verbenone were tested for their ability to disrupt the response of western pine beetle, Dendroctonus brevicomis LeConte (Coleoptera: Scolytidae), to attractant-baited multiple funnel traps. Verbenone significantly reduced attraction; however, no difference was observed between 4 and

The push-pull tactic for mitigation of mountain pine beetle (Coleoptera: Curculionidae) damage in lodgepole and whitebark pines.

Nancy E Gillette et al.

Environmental entomology, 41(6), 1575-1586 (2013-01-17)

In an attempt to improve semiochemical-based treatments for protecting forest stands from bark beetle attack, we compared push-pull versus push-only tactics for protecting lodgepole pine (Pinus contorta Douglas ex Loudon) and whitebark pine (Pinus albicaulis Engelm.) stands from attack by

Acetophenone as an anti-attractant for the western pine beetle, Dendroctonus brevicomis LeConte (Coleoptera: Scolytidae).

Journal of Chemical Ecology, 33(4), 817-817 (2007)

Raman optical activity: a powerful technique to investigate essential oil components.

Malgorzata Baranska et al.

Natural product communications, 5(9), 1417-1420 (2010-10-07)

The theory and some applications of Raman Optical Activity (ROA) towards terpene analysis are presented. With this technique, vibrational optical activity from chiral molecules can be measured providing their absolute configuration. This short review provides data obtained for pinene, verbenone

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