fatty acid composition of major oils

... particular type of fatty acid predominating in the oil, but also contained a complex mixture of other fatty acids, as occurs in vivo As might be expected, the fatty acid composition of CRLPs containing ... differential rates of uptake of CRLPs of different fatty acid compositions by macrophages observed in the present study is due to differences in the oxidative state of the particles Evaluation of the lipid ... macrophages suggested that the lipid composition of lipoproteins can alter the conformation of the protein [40] Thus, the differential uptake of CRLPs of different fatty acid composition by macrophages...

Ngày tải lên: 16/03/2014, 12:20

... changed by any of the four types of CRLPs Effect of the fatty acid composition of CRLPs on COX-2 mRNA expression The effect of CRLPs of varying fatty acid composition on expression of COX-2, an ... fatty acid composition of the particles modulates this effect Earlier studies on the effects of free fatty acids on NF-jB activity in macrophages have also suggested that different types of fatty ... mixture of fatty acids which reflects the composition of the parent oils and of physiological CMR derived from them [28] The triacylglycerol ⁄ total cholesterol ratio in the four types of CRLPs...

Ngày tải lên: 23/03/2014, 04:20

... PUFA: polyunsaturated fatty acids * MUFA: monounsaturated fatty acids * TFA: trans fatty acids * tc: traceal 818 Fatty acid composition including trans fatty acids content of selected Vietnamese ... 2009) Fatty acid composition including trans fatty acids content of selected Vietnamese instant noodles Table1 Fatty acids composition of selected Vietnamese Instant noodles Fatty acid C14:0 Brands ... polyunsaturated fatty acids * TFA: trans fatty acids * MUFA: monounsaturated fatty acids The amount of total TFA in the samples ranged from 0.16% to 0.83% of total fatty acid with the mean of 0.38%...

Ngày tải lên: 28/08/2013, 16:28

... various fatty acid components i.e myristic acid (C14:0), palmitic acid (C16: 0), palmitoleic acid (C16:1), stearic acid (C18:0), oleic acid (C18:1), linoleic acid (C18:2) and linolenic acid (C18:3) ... the average of 53 of E guineensis [4] The CPO derived from the E oleifera oil has high levels of oleic and linoleic acid and lower levels of the palmitic acid and other saturated fatty acids, thus ... for E guineensis) [1,2] The fatty acid composition of its CPO is especially of interest since its iodine value (IV, which is a measure of the degree of unsaturation of the oil) can be as high...

Ngày tải lên: 12/08/2014, 03:21

... Acid Methyl Esters Mix (47080-U, SUPELCO, USA); and kinds of long-chain fatty acids (LCFAs) These standards were used to obtain 56 kinds of fatty acids Therefore, the contents of each fatty acid ... quantity of lipid, the content ratios of all the fatty acids, and the ratio of each fatty acid RESULTS AND DISCUSSION Characteristics of carbon stable isotope in Z japonica The mean δ13C of Z japonica ... that of the roots and rhizomes For example, the δ13C of HCO3- is higher than δ13C of CO2 in sea water Characteristics of fatty acid structure in Z japonica We found about 30 kinds of fatty acids...

Ngày tải lên: 05/09/2013, 10:17

... International Journal of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.411-430 415 Table Fatty acid methyl composition of different biodiesel fuels Fatty acid methyl ester composition (FAME) ... those properties have strong relation with the fatty acid composition of biodiesel The structure of the fatty compounds can also affect other properties of biodiesel such as density, cetane number, ... Journal of Energy and Environment (IJEE), Volume 1, Issue 3, 2010, pp.411-430 421 % of Premixed combustion % of Diffusion combustion Trend line of % of diffusion combustion Trend line of % of premixed...

Ngày tải lên: 05/09/2013, 15:28

... alignments of 219 serpins showed that residue 53 is a Ser in 92% of the cases; residue 56 is a Ser in 74% of the cases; residue 186 an Asn in 87% of the cases; and residue 334 a His in 80% of the ... of the buried polar cluster (positions 53/56/334) in serpins is S/S/H The composition S/S/Q is identical to that of alaserpin, S/G/H is identical to that of CP-9, A/G/H is identical to that of ... respectively) of the very unstable variants Q334H and G56S/Q334H At the routinely used pH of 8.1, there is only a slight effect of vitronectin on the rate of latency transition of PAI-1 wild-type,...

Ngày tải lên: 22/02/2014, 07:20

... stimulation of Rv1264 by added fatty acids (see above) In light of the data Mycobacterium tuberculosis AC Rv2212 Fig Models of stimulation of Rv2212 by fatty acids (A) Schematic representation of Rv2212 ... the presence of certain fatty acids and the intracellular pH The cytoplasmic concentration of free fatty acids in M tuberculosis is unknown Free fatty acids are the substrate for fatty acyl-AMP ... explain the pH dependence of the effect of fatty acids One possibility is that fatty acids bind at any pH but activate only at lower pH values The other possibility is that fatty acids neither bind...

Ngày tải lên: 30/03/2014, 10:20

... hydrochloric acid, after cooling to room temperature For the preparation of feruloylquinic acid isomers, 20 1-11 of the standard solution of 5-feruloylquinic acid were added to ml of water, adjusted ... absorptivity of 5-caffeoylquinic acid; e2 is the molar absorptivity of the isomer in question; Mr, is the relative molecular mass of 5-caffeoylquinic acid; Mr, is the relative molecular mass of the ... Isomerisation of (A) chlorogenic acid (5-CQA) yielding (B) 3-CQA and (C) 4-CQA Conditions as described in the text Table Recovery of chlorogenic acid isomers using HPLC Average of five levels of addition...

Ngày tải lên: 18/11/2016, 22:21

... principal fatty acid components of such fats are palmitic, oleic, and linoleic acids Gac is somewhat unusual in having a higher proportion of linoleic acid, and given the similar percentage of the ... of the three fatty acids, may also have a limited distribution of TAG species The oil of gac aril also has been reported to have significant amounts of Vitamin E and omega-3 fatty acids (21), ... obviates the production of trans fatty acids that result from partial hydrogenation of liquid oils to obtain a solid fat Carotenoid Profile For carotenoid analyses, we chose three of the ripest gac...

Ngày tải lên: 09/02/2014, 00:08

... further investigation A number of recent in vitro and in vivo studies have shown that different forms of fatty acids exert remarkably different effects Exposure of a variety of cell types, including ... saturated fatty acids (SFAs) led to increased expression of proinflammatory cytokines, inhibition of insulin signaling, induction of endoplasmic reticulum (ER) stress, and promotion of cell death, ... cell death Exposure of HepG2 cells to 0.3 mm of the SFA stearate (18:0), but not to the monounsaturated fatty acid 520 oleate (18:1, cis), induced a transient inhibition of cell proliferation...

Ngày tải lên: 14/02/2014, 22:20

... [25] The formation of the fatty acid complex is accompanied by the emergence of a welldefined water molecule within hydrogen bond distance of His333 Ne (Fig 3A,B) Structures of KAS I H298E and ... phosphopantetheine arm of ACP to its active site cysteine (Scheme 1) With the use of ACP carrying 3H-labeled myristate (C14 fatty acid) , this transfer can be readily monitored with the aid of a size-exclusion ... only 58% and 35% of their activity at 22 °C At best, a trace of activity (< 0.1% of that of the wild-type) was detected for the other four mutants For all six mutants, adding of additional KAS...

Ngày tải lên: 19/02/2014, 08:20

... One unit of isomerase activity is defined as the amount of enzyme that produces mmol of product per under the assay conditions Activation of apo-BLXI by metals To examine the effect of bivalent ... the presence of Co2þ or Mn2þ are interesting With a similar inactivation mechanism, Ea of inactivation of T thermosulfurigenes XI is only 490 kJ·mol21 in the presence of Table Effect of metals on ... stability and lower Ea of inactivation of BLXI in the presence of Mg2þ reflect the fact that the enzyme binds Mg2þ with lower specificity (the Kact of Mg2þ is 10 times higher that that of Co2þ or Mn2þ...

Ngày tải lên: 22/02/2014, 07:20

... estimation of the extracellular fatty acids In addition, we determined the amount of lipid-bound fatty acids to cover all major pools of fatty acids (Fig 1B,D) The amount of cellular free fatty acids ... (square)] (D) Concentration of fatty acids in the pools of free fatty acids in the media (diamonds), of free fatty acids in the cells (square) and of esterified fatty acids (triangle) The error ... decrease of extracellular fatty acids Therefore, besides the import of exogenous fatty acids, additional release of internal fatty acids had to contribute to the increase of intracellular fatty acids...

Ngày tải lên: 07/03/2014, 05:20

... uptake of fatty acids across the plasma membrane and transport to various subcellular organelles, (b) modulation of the activity of enzymes involved in fatty acid metabolism, (c) protection of enzymes ... membranes from the detergent effects of excess fatty acids by sequestering them, and (d) modulation of cell growth and differentiation by transport of fatty acids to the nucleus where they activate ... Spener F (2004) Fatty acid- binding proteins – insights from genetic manipulations Prog Lipid Res 43, 328–349 Storch J & Thumser AEA (2000) The fatty acid transport function of fatty acid- binding...

Ngày tải lên: 07/03/2014, 06:20

... Identification of two novel microalgal enzymes involved in the conversion of the omega3 -fatty acid, eicosapentaenoic acid, into docosahexaenoic acid Biochem J 384, 357–366 Chu FL, Lund ED, Harvey E & Adlof ... Polyunsaturated fatty acid biosynthesis: a microsomal-peroxisomal process Prostaglandins Leukot Essent Fatty Acids 60, 317–321 Pereira SL, Leonard AE & Mukerji P (2003) Recent advances in the study of fatty ... alternate pathway for synthesis of 20-carbon polyunsaturated fatty acids Arch Biochem Biophys 365, 307–316 Lees AM & Korn ED (1966) Metabolism of unsaturated fatty acids in protozoa Biochemistry...

Ngày tải lên: 07/03/2014, 12:20

... scheme showing the stepwise removal of hydrogens in fatty acid (1,2)-desaturation Structure of the putative diiron oxidizing species is speculative For fatty acid analysis, yeast pellets were saponified ... for conjugated fatty acid esters (10% w/v KOH/CH3OH, 80 °C, h; neutralization to  pH with acetic acid, hexane extraction, 1% w/v H2SO4/ CH3OH, 50 °C, h) Analysis of the fatty acids as methyl ... extent of  1% of total cellular fatty acids, a result similar to that observed previously [6,8] Control experiments previously indicated that the production of was dependent on expression of the...

Ngày tải lên: 08/03/2014, 09:20

... acids, intracellular targeting of fatty acids to specific organelles and metabolic pathways, and the protection of cellular structures from the detergent effects of fatty acids [10–14] Although different ... function(s) of FABPs [7–9], but our understanding of the precise physiological role(s) of FABPs remains elusive Proposed physiological roles for FABPs include the uptake and utilization of fatty acids, ... observation is consistent with the hypothesis of ‘large-scale gene duplication in fishes’ [39–45] 36 hpf dpf A C Ofv Ofv B D Ofv Ofv Fig Spatiotemporal distribution of fabp10b gene transcripts in zebrafish...

Ngày tải lên: 16/03/2014, 00:20

... inhibitor of fatty acid synthase Proc Natl Acad Sci USA 97, 34503454 Rendina AR & Chend D (2005) Characterization of the inactivation of rat fatty acid synthase by C-75: inhibition of partial ... biology of type II fatty acid biosynthesis Annu Rev Biochem 74, 791831 Chirala SS, Jayajumar A, Gu ZW & Wajil SJ (2001) Human fatty acid synthase: role of interdomain in the formation of catalytically ... inhibitor of human fatty acid synthase Enzymatic mode of inhibition Table Summary of inhibition patterns caused by GSK837149A on the KR reaction catalyzed by FAS With the aim of nding the mode of inhibition...

Ngày tải lên: 16/03/2014, 06:20

... added fatty acids into their lipids In absence of exogenous fatty acids, the yeast expressing the C alpina acetylenase gene converted up to 0.65% of their fatty acids into 18:2 in a ratio of D12(E) ... were grown in the presence of 18:2D9Z,12Z or 18:2:2D9Z,12E nd, Not detected Acyl composition (area percentage) Empty plasmid Fatty acid added CER1 Fatty acid added Fatty acids 18:2D9Z,12Z 18:2D9Z,12E ... shown that epoxy fatty acid production in A thaliana severely inhibits formation of linoleate and that the degree of inhibition is correlated with the levels of the epoxy fatty acids accumulated...

Ngày tải lên: 16/03/2014, 18:20