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Showing 1 to 12 of 560 entries
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Pharmacognostic outlooks on medical herbs of Sasang typology.

Integrative medicine research

Lim SH, Jeon ES, Lee J, Han SY, Chae H.
PMID: 28951836
Integr Med Res. 2017 Sep;6(3):231-239. doi: 10.1016/j.imr.2017.06.005. Epub 2017 Jul 08.

The purpose of this study was to review the pharmacognostic characteristics of Sasang type-specific medical herbs and suggest biological mechanisms that might be related to the personalized treatment of the East. Major compounds and their pharmacological activities of medical...

Essential oil composition of Hypericum triquetrifolium Turra growing wild in Iran.

Research in pharmaceutical sciences

Sajjadi SE, Mehregan I, Taheri M.
PMID: 26430462
Res Pharm Sci. 2015 Jan-Feb;10(1):90-4.

The chemical composition of the volatile oil from aerial parts of Hypericum triquetrifolium Turra was studied by GC-MS. Fifty components (97.1% of the total composition) were detected in the volatile oil. Germacrene-D (21.7%), β-caryophyllene (18.3%), δ-cadinene (6.4%), trans-β-farnesene (4.3%),...

Chemical Composition and the Effect of Walnut Hydrosol on Glycemic Control of Patients With Type 1 Diabetes.

International journal of endocrinology and metabolism

Moravej H, Salehi A, Razavi Z, Moein MR, Etemadfard H, Karami F, Ghahremani F.
PMID: 27335580
Int J Endocrinol Metab. 2016 Jan 30;14(1):e34726. doi: 10.5812/ijem.34726. eCollection 2016 Jan.

BACKGROUND: Walnut hydrosol (WH) is used extensively by Iranian people with diabetes in order to control blood sugar (BS). There are few data regarding the effect of walnut on controlling diabetes.OBJECTIVES: A pilot study to determine the efficacy and...

Cytotoxic compounds from Laurencia pacifica.

Organic and medicinal chemistry letters

Zaleta-Pinet DA, Holland IP, Muñoz-Ochoa M, Murillo-Alvarez JI, Sakoff JA, van Altena IA, McCluskey A.
PMID: 26548986
Org Med Chem Lett. 2014 Dec;4(1):8. doi: 10.1186/s13588-014-0008-8. Epub 2014 Sep 20.

BACKGROUND: The current investigation sought to explore the nature of the secondary metabolites in the algae, Laurencia pacifica.RESULTS: This report details the first isolation of the sesquiterpenes isoaplysin (1), isolaurenisol (2), debromoisolaurinterol (3), debromoaplysinol (4), laur-11-en-10-ol (5), 10α-hydroxyldebromoepiaplysin (6),...

Inhibition and promotion of germination by several sesquiterpenes.

Journal of chemical ecology

Fischer NH, Weidenhamer JD, Bradow JM.
PMID: 24272182
J Chem Ecol. 1989 Jun;15(6):1785-93. doi: 10.1007/BF01012266.

The sesquiterpene lactones, burrodin, confertiflorin. desacetyl-confertiflorin, dihydroparthenolide, parthenin, and 7α-hydroxy-3-desoxyzaluzanin C, and the sesquiterpene ester guayulin A were assayed at concentrations of 1, 10, and 100 μM for effects on seed germination of 16 dicot and nine monocot species....

Semiochemicals produced by western balsam bark beetle,Dryocoetes confusus Swaine (Coleoptera: Scolytidae).

Journal of chemical ecology

Borden JH, Pierce AM, Pierce HD, Chong LJ, Stock AJ, Oehlschlager AC.
PMID: 24302049
J Chem Ecol. 1987 Apr;13(4):823-36. doi: 10.1007/BF01020163.

The most prominent beetle-produced volatiles identified in the abdominal extracts of maleDryocoetes confusus Swaine after they had bored for 24 hr in logs of subalpine fir,Abies lasiocarpa (Hook.) Nutt. were:exo andendo-brevicomin,trans-verbenol, verbenone, myrtenol,trans-pinocarveol,cis- andtrans-p-menthen-7-ol, 3-caren-10-ol, and several monoterpenes and...

Deposition Fluxes of Terpenes over Grassland.

Journal of geophysical research. Atmospheres : JGR

Bamberger I, Hörtnagl L, Ruuskanen TM, Schnitzhofer R, Müller M, Graus M, Karl T, Wohlfahrt G, Hansel A.
PMID: 24383048
J Geophys Res Atmos. 2011 Jul 27;116. doi: 10.1029/2010JD015457.

Eddy covariance flux measurements were carried out for two subsequent vegetation periods above a temperate mountain grassland in an alpine valley using a proton-transfer-reaction - mass spectrometer (PTR-MS) and a PTR-time of flight - mass spectrometer (PTR-TOF). In 2008...

Optimising Terpene Synthesis with Flow Biocatalysis.

European journal of organic chemistry

Tang X, Allemann RK, Wirth T.
PMID: 28286413
European J Org Chem. 2017 Jan 10;2017(2):414-418. doi: 10.1002/ejoc.201601388. Epub 2017 Jan 13.

Sesquiterpenes are an important family of natural products, many of which exhibit important pharmaceutical and agricultural properties. They are biosynthesised from farnesyl diphosphate in sesquiterpene synthase catalysed reactions. Here, we report the development of a highly efficient segmented flow...

Olfactory sensitivity of two sympatric species of rice leaf folders (Lepidoptera: Pyralidae) to plant volatiles.

Journal of chemical ecology

Ramachandran R, Khan ZR, Caballero P, Juliano BO.
PMID: 24264320
J Chem Ecol. 1990 Sep;16(9):2647-66. doi: 10.1007/BF00988076.

Electroantennograms (EAGs) were recorded from male and female moths of two sympatric leaf folder species,Cnaphalocrocis medinalis (Gue-née) andMarasmia patnalis Bradley (Lepidoptera: Pyralidae) to 91 volatile chemicals of plant origin. Responses of both leaf folder species were similar to all...

Changes in leaf mono- and sesquiterpene metabolism with nitrate availability and leaf age inHeterotheca subaxillaris.

Journal of chemical ecology

Mihaliak CA, Lincoln DE.
PMID: 24272100
J Chem Ecol. 1989 May;15(5):1579-88. doi: 10.1007/BF01012385.

The concentration of leaf mono- and sesquiterpenes is greater in nitrate-limited than in nitrate-richHeterotheca subaxillaris plants and is highest in young leaves and declines with leaf age. To determine whether rates of volatile terpene synthesis and/or loss vary with...

Components of moribund American elm trees as attractants to elm bark beetles,Hylurgopinus rufipes and Scolytus multistriatus.

Journal of chemical ecology

Millar JG, Zhao CH, Lanier GN, O'Callaghan DP, Griggs M, West JR, Silverstein RM.
PMID: 24306901
J Chem Ecol. 1986 Mar;12(3):583-608. doi: 10.1007/BF01012095.

Hylurgopinus rufipes male and female beetles were attracted to American elms infected with Dutch elm disease, and to American elms killed by injection of cacodylic acid.H. rufipes was also attracted to solvent extracts of elm, or to Porapak Q-trapped...

Two new sesquiterpenes from the leaves of Nicotiana tabacum and their anti-tobacco mosaic virus activities.

Natural product research

Shen Q, Xu X, Liu C, Zhao W, Xiang N, Chen Y, Miao M, Liu Z, Yang G.
PMID: 26727192
Nat Prod Res. 2016 Nov;30(22):2545-2550. doi: 10.1080/14786419.2015.1120729. Epub 2016 Jan 04.

Two new sesquiterpenes, nicotianasesterpenes A and B (1 and 2), together with five known sesquiterpenes (3-7) were isolated from the leaves of Nicotiana tabacum. Their structures were determined mainly by spectroscopic methods, including extensive 1D- and 2D-NMR techniques. The...

Showing 1 to 12 of 560 entries