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Márcia N S de la Cruz et al.
Natural product communications, 8(1), 69-74 (2013-03-12)
The defensive secretion of the frontal gland from termite soldiers is a mixture of monoterpenes, sesquiterpenes and diterpenes, the latter being the most representative. Analyses of the dichloromethane extract from soldiers of the Brazilian termite, Nasutitermes macrocephalus (Silvestri, 1903) (Isoptera
Congqiang Zhang et al.
Applied microbiology and biotechnology, 99(9), 3825-3837 (2015-02-27)
Artemisinin is a potent antimalarial drug; however, it suffers from unstable and insufficient supply from plant source. Here, we established a novel multivariate-modular approach based on experimental design for systematic pathway optimization that succeeded in improving the production of amorphadiene
Wenhuai Kang et al.
Journal of food science, 77(10), C1030-C1035 (2012-09-27)
The aroma-active compounds in Chinese bayberry were identified using gas chromatography-olfactometry (GC-O) and GC-mass spectrometry techniques. The volatile compounds were extracted using Liquid-liquid extraction, solvent-assisted flavor evaporation and headspace solid-phase microextraction (HS-SPME), respectively. On the basis of odor intensity, the
Y Xiao et al.
Ecology letters, 15(10), 1130-1139 (2012-07-19)
In response to insect attack, plants release complex blends of volatile compounds. These volatiles serve as foraging cues for herbivores, predators and parasitoids, leading to plant-mediated interactions within and between trophic levels. Hence, plant volatiles may be important determinants of
Simon A Zebelo et al.
Plant science : an international journal of experimental plant biology, 196, 93-100 (2012-09-29)
Tomato plants respond to herbivory by emitting volatile organic compounds (VOCs), which are released into the surrounding atmosphere. We analyzed the tomato herbivore-induced VOCs and tested the ability of tomato receiver plants to detect tomato donor volatiles by analyzing early
Xuqin Zheng et al.
Biochemical and biophysical research communications, 436(3), 377-381 (2013-06-12)
Abnormal fatty acid oxidation has been associated with obesity and type 2 diabetes. At the transcriptional level, peroxisome proliferator-activated receptor-gamma coactivator 1α (PGC-1α) has been reported to strongly increase the ability of hormone nuclear receptors PPARα and ERRα to drive
Rajesh K Joshi
Natural product communications, 8(3), 401-402 (2013-05-18)
The essential oil composition from the aerial parts of Baccharoides lilacina (Dalzell & A. Gibson) M. R. Almeida was analyzed by gas chromatography (GC) and gas chromatography/mass spectrometry (GC/MS). A total of 41 compounds have been identified, representing 97.4% of
Igor Jerković et al.
Natural product communications, 7(7), 931-932 (2012-08-23)
The essential oils from the aerial parts of Prasium majus L., collected during two years in Croatia, were analysed by GC and GC/MS. Fifty-two compounds were identified, representing 90.3-91.8% of the total oils. The major constituents in both samples were
A Manjamalai et al.
Asian Pacific journal of cancer prevention : APJCP, 13(7), 3065-3071 (2012-09-22)
The present investigation was to evaluate the effects of essential oils of Wedelia chinensis (Osbeck) on free radicals and in vivo antioxidant properties. Essential oils were extracted using hydro-distillation and compound analysis was performed by GC-MS analysis. Screening for inhibitory
Z Laznik et al.
Experimental parasitology, 134(3), 349-355 (2013-04-09)
Entomopathogenic nematodes (EPNs) respond to a variety of stimuli when foraging. In a laboratory investigation, we tested the chemotactic responses of 8 EPN strains (Steinernema and Heterorhabditis) to three mechanically damaged maize root compounds (linalool, α-caryophyllene and β-caryophyllene). We hypothesized
Louis M T Bradbury et al.
Proceedings of the National Academy of Sciences of the United States of America, 109(27), E1888-E1897 (2012-06-19)
In photosynthetic organisms, carotenoids serve essential roles in photosynthesis and photoprotection. A previous report designated CruP as a secondary lycopene cyclase involved in carotenoid biosynthesis [Maresca J, et al. (2007) Proc Natl Acad Sci USA 104:11784-11789]. However, we found that
Pablinny Moreira Galdino et al.
Progress in neuro-psychopharmacology & biological psychiatry, 38(2), 276-284 (2012-05-01)
Spiranthera odoratissima A. St. Hil. (manacá) is used in folk medicine to treat renal and hepatic diseases, stomachache, headaches and rheumatism. A central nervous system (CNS) depressant effect of the hexane fraction from the ethanolic extract of this plant has
Leidiane Pinho-da-Silva et al.
Molecules (Basel, Switzerland), 17(10), 11965-11977 (2012-10-13)
trans-Caryophyllene is a major component in the essential oils of various species of medicinal plants used in popular medicine in Brazil. It belongs to the chemical class of the sesquiterpenes and has been the subject of a number of studies.
Jullyana de S S Quintans et al.
Planta medica, 79(2), 123-130 (2013-01-12)
Xylopia laevigata, popularly known as "meiú" and "pindaíba", is a medicinal plant used in the folk medicine of the Brazilian Northeast for several purposes. The chemical constituents of the essential oil from leaves of X. laevigata, collected from wild plants
Rajesh K Joshi
Natural product communications, 8(2), 225-226 (2013-03-22)
The hydro-distilled essential oil of dried flowers of Anaphalis contorta Hook f. has been examined by means of gas chromatography-mass spectrometry (GC-MS). The oil constituents were identified according to their mass spectra and their relative retention indices determined on a
Gao-Jie Hong et al.
The Plant cell, 24(6), 2635-2648 (2012-06-07)
Arabidopsis thaliana flowers emit volatile terpenes, which may function in plant-insect interactions. Here, we report that Arabidopsis MYC2, a basic helix-loop-helix transcription factor, directly binds to promoters of the sesquiterpene synthase genes TPS21 and TPS11 and activates their expression. Expression
Codruta Ignea et al.
Microbial cell factories, 11, 162-162 (2012-12-25)
Terpenoids and isoprenoids are an important class of natural products, which includes currently used drugs, high value bioactive and industrial compounds, and fuel candidates. Due to their industrial application, there is increasing interest in the development of S. cerevisiae strains
Valentina Vasta et al.
Meat science, 95(2), 235-241 (2013-06-12)
Eighteen Barbarine lambs (3 months of age), were assigned for 95 days to 3 treatments: six lambs were fed a barley-based concentrate plus oat hay ad libitum (control group, C); other lambs received the control diet plus essential oil (400
Niels J Nieuwenhuizen et al.
Plant physiology, 161(2), 787-804 (2012-12-21)
Terpenes are specialized plant metabolites that act as attractants to pollinators and as defensive compounds against pathogens and herbivores, but they also play an important role in determining the quality of horticultural food products. We show that the genome of
Mohamed A Farag et al.
Journal of food science, 77(11), C1179-C1184 (2012-11-07)
Licorice (Glycyrrhiza glabra L.) is a plant of considerable commercial importance in traditional medicine and for the flavor and sweets industry. Although Glycyrrhiza species are very competitive targets for phytochemical studies, very little is known about the volatiles composition within
Sayamol Sukkaew et al.
Natural product communications, 9(12), 1783-1786 (2015-01-30)
The volatile components of Murraya koenigii fresh leaves, collected from Surat Thani province, Thailand were studied by using headspace (HS) solid-phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS). The four fibers employed to extract the volatiles were polydimethylsiloxane (PDMS)
In-Young Choi et al.
The American journal of pathology, 182(3), 928-939 (2013-02-19)
The type 2 cannabinoid receptor (CB2R) was recently shown to mediate neuroprotection in ischemic injury. However, the role of CB2Rs in the central nervous system, especially neuronal and glial CB2Rs in the cortex, remains unclear. We, therefore, investigated anti-ischemic mechanisms
Wei-Cai Zeng et al.
Journal of food science, 77(7), C824-C829 (2012-07-05)
The chemical composition of essential oil from pine needles (Cedrus deodara) was determined, and its antioxidant and antimicrobial activities were evaluated. Twenty-three components, representing 95.79% of the oil, were identified by gas chromatography mass spectrometry. The main components include α-terpineol
Yaqub Aghaei et al.
Chemistry & biodiversity, 10(2), 262-273 (2013-02-19)
The variation of the essential-oil composition among ten wild populations of Stachys lavandulifolia VAHL (Lamiaceae), collected from different geographical regions of Iran, was assessed by GC-FID and GC/MS analyses, and their intraspecific chemical variability was determined. Altogether, 49 compounds were
Mitsuo Miyazawa et al.
Journal of oleo science, 62(1), 51-56 (2013-01-30)
The essential oils from aerial parts of Scutellaria laeteviolacea was analyzed by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). The characteristic odor components were also detected in the oil using gas chromatography-olfactometry (GC-O) analysis and aroma extraction dilution analysis
Prameela Javarayi Gowda et al.
Natural product communications, 7(11), 1535-1538 (2013-01-05)
The essential oil from the leaves of Didymocarpus tomentosa was extracted by hydrodistillation and analyzed by GC/FID and GC/MS. Twenty five constituents amounting to 81.6% of the oil were identified. The leaf oil contained 78.7% sesquiterpenes and 2.9% monoterpenes. The
Berta Alquézar et al.
Scientific reports, 7(1), 5639-5639 (2017-07-19)
Production of citrus, the main fruit tree crop worldwide, is severely threatened by Huanglongbing (HLB), for which as yet a cure is not available. Spread of this bacterial disease in America and Asia is intimately connected with dispersal and feeding
S Katsuyama et al.
European journal of pain (London, England), 17(5), 664-675 (2012-11-10)
β-caryophyllene (BCP) is a common constitute of the essential oils of numerous spice, food plants and major component in Cannabis. The present study investigated the contribution of peripheral cannabinoid (CB) and opioid systems in the antinociception produced by intraplantar (
Tamara van Molken et al.
Oecologia, 170(2), 433-444 (2012-04-25)
Plant pathogens and insect herbivores are prone to share hosts under natural conditions. Consequently, pathogen-induced changes in the host plant can affect herbivory, and vice versa. Even though plant viruses are ubiquitous in the field, little is known about plant-mediated
Thanany Brasil da Silva et al.
Natural product communications, 8(3), 403-406 (2013-05-18)
Essential oils from leaves of Xylopia frutescens (XFMJ) and two specimens of Xylopia laevigata (XLMC and XLSI) were obtained by hydrodistillation using a Clevenger-type apparatus, and analyzed by GC-MS and GC-FID. Sesquiterpenes dominated the essential oils. The main constituents of
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