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      Database of the Amazon aromatic plants and their essential oils


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          The aromatic flora of the Amazon has been inventoried for 30 years. In this sense, were made over 500 field trips to collect over 2500 plants and to obtain more than 2000 essential oils and aroma concentrates, all of them submitted to GC and GC-MS. This work led to the creation of a database for the aromatic plants of the Amazon, which catalogs general information about 1250 specimens. The database has allowed the publication of the chemical composition of the oils and aromas of more than 350 species, associated with a larger number of chemical types. The essential oils of many species offer optimum conditions for economic exploitation and use in national and international market of fragrances, cosmetics, agricultural and household pesticides.

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          Terikalant and barium decrease the area of vulnerability to ventricular fibrillation induction by T-wave shocks.

          The area of vulnerability (AOV) to ventricular fibrillation (VF) induction by high-voltage shocks has been proposed as a measure of vulnerability to VF. Biphasic shocks spanning the T wave and ranging between 50 V and the upper limit of vulnerability (ULV) to VF were delivered before and after terikalant (1 mg/kg) and barium (1.1 mg/kg load followed by 0.05-0.10 mg/kg/min maintenance) or vehicle in dogs. The AOV decreased by 34% and 28% (p < 0.01) after terikalant and barium (n = 8 dogs each), respectively. Mean ULV, defibrillation threshold (DFT), and ventricular vulnerability period (VVP) decreased by 16%, 23%, and 31% (p < 0.01), respectively, after terikalant, and by 25%, 17% (p < 0.01), and 13% (p = 0.08), respectively, after barium. Vehicle (n = 14) did not significantly alter any of these variables. The ULV was correlated with the DFT before and after terikalant (r = 0.78, p < 0.01) and barium (r = 0.83, p < 0.01). Potassium channel blockers of the current reduce the ability to induce VF; this effect may be related to the anti-fibrillatory action of class III anti-arrhythmic drugs and their ability to decrease DFT.
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            Identification of Essential Oil Components by Gas Chromatograpy/Mass Spectrometry

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              Qualitative analysis of flavour and fragrance volatiles by glass capillary gas chromatography


                Author and article information

                Química Nova
                Quím. Nova
                Sociedade Brasileira de Química (São Paulo, SP, Brazil )
                : 32
                : 3
                : 595-622
                [01] orgnameUniversidade Federal do Pará orgdiv1Faculdade de Engenharia Química
                S0100-40422009000300006 S0100-4042(09)03200300006

                This work is licensed under a Creative Commons Attribution 4.0 International License.

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                Figures: 0, Tables: 0, Equations: 0, References: 364, Pages: 28

                SciELO Brazil

                essential oils and aromas,database of the aromatic plants from the Amazon


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