chemical composition of ocimum species

... 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 were not different ... oil of investigated species from Vietnam was 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 ... species of Lauraceae family in Vietnam To the best of our knowledge, this was a new species of Lauraceae family in Vietnam The name of this species was Machilus japonica Siebold & Zucc Acknowledgements...

Ngày tải lên: 12/02/2014, 17:20

... the whole of Huu Lien commune, part of Yen Thinh commune, part of Hoa Binh commune (of Huu Lung district), part of Huu Le commune (of Van Quang district) and part of Van Linh commune (of Chi Lang ... numbered ND32/2006, species at IB level, species at IIB level species appear in the list of CITES, 2009 In particular, species is named in the Red List of IUCN, 2009, that is the species of Great hornbill ... the most species, with 21 species, followed by the familiess of Muscicapidae (12 species) , Pycnonotidae (10 species) , Cuculidae (7 species) and Accpitridae (6 sets) In contrast, a number of families...

Ngày tải lên: 13/02/2014, 12:20

... formation of secondary organic aerosol (Watson et al., 2001) The speciation of VOC emitted from motor vehicles reflects the chemical composition of the fuel consumed, with additional species formed ... emissions and found that the composition of the emitted VOC was best described as a 50-50 mix of liquid gasoline and headspace vapor compositions The speciation of VOC emissions from on-road ... Typically ~300 species were identified in liquid gasoline samples 2.3 Headspace Vapor Composition Headspace vapor composition was estimated in this study from the composition of liquid gasoline...

Ngày tải lên: 05/03/2014, 20:20

... Hela cell lines in vitro Chemical examination of the BuOH extract of the leaves and twigs of Litsea glutinosa collected from Xishuangbanna resulted in the isolation of two new aporphine alkaloids, ... [17] Tran Dinh Thang, Hoang Van Luu, Nguyen Xuan Dung, Chemical composition of the leaf oil of Canarium bengalense Roxb from Vietnam, Journal of Essential oil and Bearing Plants, 7(1) (2004) 43 ... psychopharmacological actions of the essential oil of Litsea glutinosa (Lour.) C.B Rob., Indian J Physiol Pharmacol 14(3) (1970) 92 [5] A Kar, M.K Menon, C.S Chauhan, Effect of essential oil of Litsea glutinosa...

Ngày tải lên: 22/03/2014, 09:20

... result of the allelopathic nature of various tree species, Am J Bot 65 (1978) 11351137 [40] Marques R., Ranger J., Gelhaye D., Pollier B., Ponette Q., Goedert O., Comparison of chemical composition ... decit of the ionic balance can be related to the DOC, requiring a charge of organic carbon varying from to 10 àmolc per mg of C from forest-oor to 60 cm At 120 cm, the charge of C should be of 41 ... indicators of the production reactions, because they are weak or not taken up by plants e.g C (residue of decomposition), Al (tracer of ion exchange and weathering reactions), SO2 (tracer of adsorption-desorption...

Ngày tải lên: 07/08/2014, 16:20

... plant species revealed large differences in Lpr that partly seem to be species- specific According to root pressure probe data, the Lpr of roots of woody species was smaller by an order of magnitude ... content in these species In the root systems of adult trees of these species, white growing roots represent only a low percentage of the total root surface area The vast majority of fine roots refers ... profile, i.e Of+ Oh horizons, is 72 mm) The organic profile is highly acidic with pH values of 3.0 and 2.6 (in KCl) and Ca2+/H+ quotients of 0.2 in the equilibrium soil solution of the upper (Of) and...

Ngày tải lên: 08/08/2014, 01:21

... bark chemical composition have been summarised [5] A description of P pinaster bark anatomy and chemical composition has recently been published [9] In this paper we describe the anatomy and chemical ... respectively, of total monosaccharides Arabinose is present in considerable amounts (9 In comparison to the chemical composition of other Pinus species [5, 9], P pinea bark shows a content of extractives ... samples were taken at breast height For determination of the chemical composition, a composite sample prepared by mixing aliquots of the bark of each tree sampled The composite sample was milled...

Ngày tải lên: 08/08/2014, 14:21

... antioxidant activities of the isolated compounds SUPERVISORS PhD STUDENT Assoc Prof Pham Dinh Hung Assoc Prof Nguyen Dieu Lien Hoa Vo Tan Hau CONFIRMATION OF HO CHI MINH CITY UNIVERSITY OF SCIENCE THE ... The remaining xanthones exhibited weak activity NEW FINDINGS OF THE THESIS - Investigating the chemical constituents of three Garcinia species, G pedunculata, G merguensis and G schomburgkiana, ... and G schomburgkiana, and isolating seven compounds which have not been previously reported Part of the result was published in two peer-reviewed international articles (Phytochemistry Letters)...

Ngày tải lên: 07/11/2014, 17:25

... 1,7 (2 s) c = 21-26 1,1,2-Trimetyldihydrofuran H = 4,5 - 4,6 (q, J = 7) c = 91 - 92 H = 1,4 - 1,5 (d) c = 14 - 15 2-(1-Hydroxy-1-metyletyl)-2,3-dihydrofuran Hỡnh 3.17 c trng ph NMR ca cỏc nhúm ... OMe 4a 11 95 14 Ph IR: max 12 tetraoxygenated Lien-Hoa xanthones D Nguyen from the (2012), bark of Cytotoxic Garcinia Vừ Tn Hu, Lờ c ng, Phm ỡnh Hựng, Harrison J Leslie, Nguyn Diu Liờn Hoa (2008), ... Nguyen, Gerhard Maas, Udo R Werz, Hung D Pham, Lien-Hoa D Nguyen (2012), Xanthones from the bark of OH Garcinia pedunculata, Phytochemistry Letters, Vol 5(4), pp 766O OMe O OH O OH 98 O O OH 99...

Ngày tải lên: 07/11/2014, 17:25

... mdu nudc mua bdn tudgng (WO) Tai lieu tham khao P.M.Hoai, Chemical composition and acidity of atmospheric deposition in the northern part of Vietnam The thesis No EV97-34, AIT, Thailand P.H.Viet, ... Scientific Advisory Group meeting of Acid deposition Monitoring network in East Asia., March 2000 N.H Khanh, 2000, Air emission and the acidity of rain water of Hanoi city, Progress in Nuclear ... Suksomsankh, S.Simachaya, M Tabucanon and H Rodhe.1996 Regional background acidity and chemical composition of precipitation in Thailand, Atmosphere Environment Vol.30, 1589-1596 830 L.Granat,...

Ngày tải lên: 12/03/2015, 14:44

... photograph, XPS spectra of bacteria (G.stearothermophilu), and Optical emission spectrum of plasma The cell wall of bacteria could be ruptured by plasma exposure The chemical bond of -CH2-CH2- disappeared ... These cahnges in chemical bond compositions corresponded to oxidization and damages of the cell wall On the other hand, the effect of heat from plasmas did not related to rupture of bacteria In ... observation 3.2 XPS spectra of bacteria Figure shows XPS spectra on the bacteria surface The original (pre-treatment) surface is known to have several chemical bond components of (-C(=O)-NH- or –O-C-O-),...

Ngày tải lên: 18/05/2014, 20:29

... effect of the essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical ... that the results of this study may be considered as the first report on the composition of the essential oils of this endemic species 2.6 Antimicrobial activity The quantification of antibacterial ... possible activity of this solvent against the bacteria assayed The experiments were repeated three times 2.5 Chemical composition The compounds of aerial parts essential oil of L resedifolia from...

Ngày tải lên: 20/06/2014, 20:20

... effect of the essential oils of L resedifolia There no reports on the essential oils of the species of the genus launaea except that reported by Cheriti et al [6] In continuation of our phytochemical ... that the results of this study may be considered as the first report on the composition of the essential oils of this endemic species 2.6 Antimicrobial activity The quantification of antibacterial ... possible activity of this solvent against the bacteria assayed The experiments were repeated three times 2.5 Chemical composition The compounds of aerial parts essential oil of L resedifolia from...

Ngày tải lên: 21/06/2014, 17:20

... possible activity of this solvent against the bacteria assayed The experiments were repeated three times 2.3 Identification of components 2.5 Chemical composition Identification of oil components ... period It is noteworthy that the results of this study may be considered as the first report on the composition of the essential oils of this endemic species Chahma A voucher specimen was deposited ... Neuropharmacological properties of Launaea resedifolia Braz J Phamacognosy 17(2):160–165 Cheriti A, Saad A, Belboukhari N, Ghezali S (2006) Chemical composition of the essential oil of Launaea arboresens...

Ngày tải lên: 21/06/2014, 19:20

... crown volume, UASs – utilization of the available crown space of tree species, UASL – utilization of the available crown space of level, UAS – total utilization of available crown space 2002 1992 ... evaluations of permanent research plots were repeated periodically The utilization of productive growth space of the virgin forest by particular tree species and the share of the tree species in ... height of 10% of the thickest trees in the transect The formula for the calculation of utilization of available crown space (UASL): CL UASL = ––––– × 100 VL (%) Trunk volumes of individual tree species...

Ngày tải lên: 07/08/2014, 10:22

... IMPACT OF SELECTED YEASTS AND GLYCOSIDASE ON CHEMICAL COMPOSITION OF MANGO WINE LI XIAO (B Sc (Hons.), NTU) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF CHEMISTRY ... mrakii 90 7.2.4 Presence of toxic compounds in W mrakii culture 90 7.3 Conclusion 94 CHAPTER Impact of pulp contact on development of chemical profile of mango wine ... Hegele, Wü nsche, & Mü ller, 2009) The chemical composition of mango varies with location of cultivation, variety, and stage of maturity The major constituents of the pulp are water, carbohydrates,...

Ngày tải lên: 10/09/2015, 09:12

... effects of processing on the quality of P notoginseng, in terms of individual saponins contents and the effects of steaming on efficacy 1.4.2.3 Chemical constituents of P notoginseng The chemical ... 6.5 Effects of extracts of various Panax species on PT and APTT of human blood plasma in vitro (n≥3) 173 Table 6.6 Effects of fractions from steamed P notoginseng on PT and APTT of human blood ... dosage forms, mixture of herbs and different parts of the same species However, identification based on markers requires knowledge of specific chemical characteristics of the medicinal herb If...

Ngày tải lên: 12/09/2015, 10:15

... of citrus essential oils 39 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 ... method 44 4.3.3 Chemical compositions of pomelo essential oils Table 4.4 show the data of chemical compositions of the pomelo essential oils extracted by two methods In case of Tan Trieu pomelo ... significantly (Vokou et al , 1993) 4.3 Chemical compositions of citrus essential oils 4.3.1 Chemical compositions of lime essential oils The main components of lime oils extracted by cold pressing...

Ngày tải lên: 23/10/2015, 15:38

... Results - The species composition of Gobiidae and Eleotridae distributed in coastal areas in Ben Tre Province are 35 species, including 28 species of Gobiidae (80%) and species of Eleotridae ... economic species of Gobiidae and Eleotridae families along the coastal areas of Ben Tre Province - Determine the species composition of Gobiidae and Eleotridae families along the coastline of Ben ... significance of the thesis The results update the basic knowledge about the species composition of Gobiidae and Eleotridae distributed in coastal mudflats, status of fisheries and important comercial species; ...

Ngày tải lên: 27/10/2016, 18:39