chemical composition and inulin chemistry

... Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Amar Zellagui1, Noureddine Gherraf*1, Segni Ladjel2 and Samir Hameurlaine2 ... continuation of our phytochemical and antibacterial studies of the Algerian Sahara medicinal plants [7–11], we report here the findings of our studies on the composition and antimicrobial activity ... diameter ranging from 11 to 37 mm and a MIC value between 0.09 and 0.69 depending on the microorganism being tested Keywords: chemical composition; antibacterial activity; essential oils; Launaea...

Ngày tải lên: 20/06/2014, 20:20

... Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Amar Zellagui1, Noureddine Gherraf*1, Segni Ladjel2 and Samir Hameurlaine2 ... continuation of our phytochemical and antibacterial studies of the Algerian Sahara medicinal plants [7–11], we report here the findings of our studies on the composition and antimicrobial activity ... diameter ranging from 11 to 37 mm and a MIC value between 0.09 and 0.69 depending on the microorganism being tested Keywords: chemical composition; antibacterial activity; essential oils; Launaea...

Ngày tải lên: 21/06/2014, 17:20

... al.: Chemical composition and antibacterial activity of the essential oils from Launaea resedifolia L Organic and Medicinal Chemistry Letters 2012 2:2 Submit your manuscript to a journal and benefit ... effectiveness of the essential oil is Zellagui et al Organic and Medicinal Chemistry Letters 2012, 2:2 http://www.orgmedchemlett.com/content/2/1/2 Table Chemical content of essential oils of L resedifolia ... inhibition zones of 29, 27, 23, and 20 mm, respectively Modest activities were observed against E coli and Pseudomonas aerugenosa with inhibition zones of 15 and 12 mm Against S intermedius,...

Ngày tải lên: 21/06/2014, 19:20

... Aminian received Ph.D and Master Degrees in chemical engineering from Iran University of Science and Technology, Iran, in 2007 and 2012, and Bachelor of Science degree in chemical engineering ... temperature and major species, and those of predicted with KEE, DRM-22 and JL kinetic mechanisms for HM1 and HM3 flames Figure Comparison between profiles of experimental minor specie CO and predicted ... the KEE, DRM-22 and JL mechanisms for the HM1 and HM3 flames Conclusion In this paper, various global and detailed chemical mechanisms together with two combustion models (EDC and PaSR) were studied...

Ngày tải lên: 09/09/2015, 10:06

... was 5% with the stand), and (v) root distribution of ground vegetation was assumed to be more supercial (60% between and 15 cm, 30% between 15 and 30 cm, 10% between 30 and 60 cm and no roots below ... scenarios and 2) (Tab VIIB) In relative values, at 120 cm, it represented a change of 64, +12, and 18 % for N, K, Ca and Mg respectively for scenario and of 59, +29, +5 and % for N, K, Ca and Mg ... investigate the changes in soil solution chemistry after the clear-cutting of a mature Douglas-r stand, using both gravitational and capillary solutions The chemical composition of soil solutions represent...

Ngày tải lên: 07/08/2014, 16:20

... related to the suberin and lignin contents of the root periderm, and (ii) suberin and lignin content and, thus, water absorption, are a function of periderm thickness MATERIALS AND METHODS 2.1 Study ... endodermis and hypodermis of corn roots (4–10 and ca 21 mg g–1, respectively; [50]) Beech and oak roots exhibited significantly larger concentrations (40–60 and 90–135 mg g–1) than both spruce and corn ... Parabraunerde, Freiburger Bodenkundliche Abhandlungen 24 (1990) 1–184 Zeier J., Schreiber L., Chemical composition of hypodermal and endodermal cell walls and xylem vessels isolated from Clivia miniata:...

Ngày tải lên: 08/08/2014, 01:21

... and P rigida, have been made [7, 8] and data on pine bark chemical composition have been summarised [5] A description of P pinaster bark anatomy and chemical composition has recently been published ... Quilhó T., Pereira H., Anatomy and chemical composition of Pinus pinaster bark, IAWA J 17 (2) 1996 For Prod J 19 141-149 [10] Pereira H., Chemical composition and variability of cork from Quercus ... [9], in southern pines [7] and also in other genera [3] These expanded The chemical composition of pine bark is summarised in table I Extractives amount to 19,1 % and include mainly polar compounds...

Ngày tải lên: 08/08/2014, 14:21

... dissection of carcasses Chemical body composition Phenotypic information was obtained for 25 traits related to chemical body composition and deposition Protein content of the loin and intramuscular ... probability of alleles g ih and g ih’ ’ being IBD and being of breed origin A, and Pr( g ih ≡ g ih’ ’ ∈ B) is the probability of alleles g ih and g ih’ ’ being IBD and being of breed origin B ... three significant QTL and five suggestive QTL for carcass cuts, lean tissue characteristics, chemical body composition and deposition as well as daily feed intake The additive and dominance effects...

Ngày tải lên: 14/08/2014, 13:21

... 4.3 Chemical compositions of citrus essential oils 40 4.3.1 Chemical compositions of lime essential oils 40 4.3.2 Chemical compositions of orange essential oils 43 4.3.3 Chemical ... (2.61 and 2.25%) Other components of LLA oils such as α-pinene (1.12 and 1.98 %), myrcene (2.54 and 3.89%), α-terpinene (0.08 and 0.02%), terpinolene (0.57 and 0.25%) and linalool (0.31 and 0.24%) ... 1996) β-pinene (9.95 and 11.02%), α-pinene (1.74 and 1.91%), sabinene (1.76 and 1.85%), myrcene (1.50 and 1.36%), and terpinolene (0.21 and 0.17%) were also determined in LDL-CP and LDL-VA EOs In...

Ngày tải lên: 23/10/2015, 15:38

... consists of a spool valve and a solenoid coil The spool valve, which acts directly in accordance with electric signals, opens and closes the passage that links the pressure chamber and the pump chamber ... passage between the pressure chamber and pump chamber The pressurized fuel spills into the pump chamber, thus decreasing the pressure in the pressure chamber and ending the pumping of fuel Solenoid ... levels of precision, quick response, and pressure resistance, as well as a large spill volume There are two types of solenoid spill valves: the pilot valve type, and the direct-acting solenoid valve...

Ngày tải lên: 23/10/2012, 09:09

... molecules of CO2 and 18 molecules of H2O moles of C8H18 react with 25 moles of O2 to form 16 moles of CO2 and 18 moles of H2O mol C8H18 : 25 mol O2 : 16 mol CO2 : 18 mol H2O Chemistry, Julia ... O Chemistry, Julia Burdge, 2nd e., McGraw Hill O + H H O + O H H 11 Limiting and Excess Reactants in the Combustion of Methane CH4(g) + O2(g) → CO2(g) + H2O(g) • If we have molecules of CH4 and ... Theoretical Yield, and Percent Yield TiO2(s) + C(s) → Ti(s) + CO(g) • Write down the quantity to find and/ or its units Find: limiting reactant theoretical yield percent yield Tro, Chemistry: A Molecular...

Ngày tải lên: 28/11/2013, 01:11

... (γ) form of light energy (not particle like α and β) Chemistry, Julia Burdge, 2nd e., McGraw Hill Rutherford’s Experiment ++++++++++++ γ β α Chemistry, Julia Burdge, 2nd e., McGraw Hill ... predict the daughter nuclide if you know parent and emitted particle Tro, Chemistry: A Molecular Approach 12 Alpha Emission • an α particle contains protons and neutrons helium nucleus α He • most ... change in the composition of the nucleus  Same atomic number and mass number • least ionizing, but most penetrating • generally occurs after the nucleus undergoes some other type of decay and the...

Ngày tải lên: 28/11/2013, 01:12

... James) Chemical bonding and molecular geometry from Lewis to electron densities / R.i Gillespie, P.L.A Popelier p cm -(Topics in inorganic chemistry) Includes bibliographical references and index ... function L = - VZ p for L = au (blue) and L = 0.60 au (orange) The L = 0.60 surface shows the charge concentations corresponding to the lone pairs on the sulfur atom and torodial charge concentrations ... Oxford University Press Oxford New York Athens Auckland Bangkok Bogota Buenos Aires Calcutta Cape Town Chennai Dar es Salaam Delhi Florence Hong Kong...

Ngày tải lên: 07/02/2014, 22:00

... James) Chemical bonding and molecular geometry from Lewis to electron densities / R.i Gillespie, P.L.A Popelier p cm -(Topics in inorganic chemistry) Includes bibliographical references and index ... function L = - VZ p for L = au (blue) and L = 0.60 au (orange) The L = 0.60 surface shows the charge concentations corresponding to the lone pairs on the sulfur atom and torodial charge concentrations ... Oxford University Press Oxford New York Athens Auckland Bangkok Bogota Buenos Aires Calcutta Cape Town Chennai Dar es Salaam Delhi Florence Hong Kong...

Ngày tải lên: 07/02/2014, 22:44

... Results and discussion The essential oil was light yellow and the total yield of 1.23% The chemical composition of the leaf essential oils of investigated species collected in October 1991 and 2007 ... and included 18 components (table 1) As it is shown in table 1, the leaf essential oil of investigated species from Vietnam was characterized by large amount of α- and βphellandrene (70.7%) and ... characterized by large amount of α- and βphellandrene (70.7%) and the ratio of αphellandrene and β-phellandrene was 5.73 Table The composition of leaf essential oil of Machilus japonica Siebold & Zucc (Lauraceae)...

Ngày tải lên: 12/02/2014, 17:20

... synthetic resin and which is subsequently incorporated into the same batch History: Cr Register, September, 1986, No 369, eff 10−1−86; am (1), (2) (a) and b and (b), (3) (b) and (c) 4., r and recr (2) ... renum (2) (f) to be (2) (h) and am., cr (2) (f) and (g), r (3) (c) 5., Register, February, 1990, No 410, eff 3−1−90; am (1), (2) (a) (intro.) and (b), cr (1) (b), r and recr (3), Register, December, ... and which is subsequently incorporated into the same batch History: Cr Register, September, 1986, No 369, eff 10−1−86; am (1) and (3) (c) 4., r and recr (2) (e), renum (2) (f) to be (2) (h) and...

Ngày tải lên: 14/02/2014, 08:20

... Environmental Chemistry – An overview A better understanding of environmental chemistry can be obtained if it is viewed in perspective of global energy needs and use, the consequences of such use and the ... for tumors hyperthyroidism brain and tumor scans 476 VI Chemical Toxicity A good understanding of environmental control necessitates a good understanding of chemical toxicity The latter, as it ... refer to handling of the chemicals themselves No deaths are occurring as a result of inhalation, and skin and eye irritants are to be specified so people have a clear idea of what a chemical can...

Ngày tải lên: 17/02/2014, 10:20

... that define the ligand specificity in cellulosomal CBMs and the mechanism by which they recognize and select their substrates, we used X-ray crystallography, NMR and computational chemistry approaches ... complex is formed The ligands cellobiose, cellotetraose and cellohexaose were studied Results and Discussion The crystal structure of CtCBM11, the binding cleft and its ligand specificity In a previous ... six-stranded anti-parallel b-sheets that form a convex side (b-strands 1, 3, 4, 6, and 12) and a concave side (b-strands 2, 5, 7, 8, 10 and 11) The concave side is decorated by the side chains of several...

Ngày tải lên: 18/02/2014, 17:20

... the muscle-acting a-conotoxins GI and GII together with the neuronally acting a-conotoxins GIC and GID [1,5,10] and C magus venom contains the 2296 M L Loughnan and P F Alewood (Eur J Biochem 271) ... analysis and chemical synthesis of these peptides muscle-acting a-conotoxin MI and the neuronally acting a-conotoxin MII [11–13] A biological interpretation of this emerging pattern of paired ligand ... active a-conotoxins using HPLC and MS, including identification of post-translational modifications Isolation and identification Standard procedures for identification and isolation of a-conotoxins...

Ngày tải lên: 19/02/2014, 12:20

... of sulphur and nitrogen and their interaction in the marine atmosphere, in Interactions of C, N, P, and S Biogeochemical Cycles and Global Change, edited by R Wollast, F T Mackenzie, and L Chou, ... Seinfeld, and P Adams (2000), Formation and cycling of aerosols in the global troposphere, Atmos Environ., 34(25), 4215 – 4240 Sander, S P., et al (2002), Chemical Kinetics and Photochemical Data ... D23S24, doi:10.1029/2003JD004208, in press Andreae, M O., and P J Crutzen (1997), Atmospheric aerosols: Biogeochemical sources and role in atmospheric chemistry, Science, 276(5315), 1052 – 1058...

Ngày tải lên: 05/03/2014, 20:20