Separation of neutral lipid, free fatty acid and phospholipid classes by normal phase HPLC.

abstract：:Cnidaria (Calycopsis borchgrevinki, Diphyes antarctica, Stygiomedusa gigantea, Atolla wyvillei, Dimophyes arctica) and Ctenophora (Beroe cucumis, B. forskalii, Pleurobrachia pileus, Bolinopsis infundibulum) were collected near Elephant Island, South Shetland Islands, during January and February 1997 and 1998. Total li...

journal_title：Lipids

authors： Nelson MM,Phleger CF,Mooney BD,Nichols PD

更新日期：2000-05-01 00:00:00

abstract：:The wax material in the secretion of a scale insect,Ceroplastes pseudoceriferus Green was analyzed chemically with special interest to the composition of higher fatty acids and higher alcohols. The wax consists of 34.2% fatty acids, 27.1% unsaponifiable matter and 29.5% resin acids. The fatty acids were found to be a ...

journal_title：Lipids

authors： Tamaki Y

更新日期：1966-09-01 00:00:00

abstract：:A simple and sensitive method to analyze mixtures of desmosterol, 7-dehydrocholesterol and cholesterol is described. The method involves the oxidative conversion of the sterols with cholesterol oxidase, followed by high performance liquid chromatographic (HPLC) analysis. A C18 reversed phase column (3 microns, 75 X 4....

journal_title：Lipids

authors： Goh EH,Colles SM,Otte KD

更新日期：1989-07-01 00:00:00

abstract：:Water and lipid contents, fatty acid distribution, and lipoprotein lipase activity were determined in 11 samples taken from the Omentum Majus of five dry Alpine goats. Samples were chosen to standardize sampling sites using geometric guide marks representative of different adipose tissue sites. Sample location explain...

journal_title：Lipids

authors： Bas P,Gallouin F,Morand-Fehr P

更新日期：1992-06-01 00:00:00

abstract：:The sn-position of FA in membrane lipids has an influence on the physiological function of cells, is predictive for diseases, and therefore is useful for diagnostics. The current study compares the compositions of acyl chain substituents in the sn-1 and sn-2 positions of the glycerol backbones of phospholipids derived...

journal_title：Lipids

authors： Beermann C,Möbius M,Winterling N,Schmitt JJ,Boehm G

更新日期：2005-02-01 00:00:00

abstract：:The purpose of these experiments was to study the uptake and metabolism of exogenous triglyceride in the isolated perfused rabbit heart. When infused into the rabbit heart, [9,10-3H(N)]triolein was retained and incorporated into a lipid fraction that had the chromatographic mobility of authentic triolein. Incorporatio...

journal_title：Lipids

authors： Weis MT,Palazzo AJ,Williams JL Jr,Malik KU

更新日期：1990-08-01 00:00:00

abstract：:The effect of a saturated fat diet on the apoprotein composition and radioiodination properties of plasma very low density lipoprotein (VLDL) was studied in rats. After feeding the diet for 10 days, the proportion of 125I attached to VLDL lipid decreased from 50% (control animals) to 8%, the remainder (92%) being boun...

journal_title：Lipids

authors： Poulis P,Fidge NH

更新日期：1977-03-01 00:00:00

abstract：:The effects of conjugated linoleic acid (CLA) on the levels of chemical mediators in peritoneal exudate cells, spleen and lung, and the concentration of immunoglobulins in mesenteric lymph node and splenic lymphocytes and in serum were examined in rats. After feeding diets containing either 0 (control), 0.5 or 1.0% CL...

journal_title：Lipids

authors： Sugano M,Tsujita A,Yamasaki M,Noguchi M,Yamada K

更新日期：1998-05-01 00:00:00

abstract：:Glucose-sensitive liposomes were prepared by incorporating hydrophobically modified glucose oxidase (EC 1.1.3.4.) into the liposomal bilayer of dioleoylphosphatidylethanolamine and cholesteryl hemisuccinate. For the release test, calcein, a fluorescence marker, was entrapped in the liposomes. The liposomes were stable...

journal_title：Lipids

authors： Jo SM,Lee HY,Kim JC

更新日期：2008-10-01 00:00:00

abstract：:cis-5,cis-9-Octadecadienoic acid (2.7%) andcis-5,cis-9,cis-12-octadecatrienoic acid (24.9%) are present in the seed oil ofLarix leptolepis. The double bond positions were identified by ozonolysis and by gas chromatography-mass spectrometry of methoxy derivatives. Small quantities of branched chain acids of various cha...

journal_title：Lipids

authors： Plattner RD,Spencer GF,Kleiman R

更新日期：1975-07-01 00:00:00

abstract：:The objective of the present studies was to examine the effect of dietary fat on the lipid composition of rat colonocytes and their utilization of short-chain fatty acids (SCFA). Rats were fed 14% beef fat, fish oil or safflower oil plus 2% corn oil in a semi-synthetic base diet for 4 wk. Colonocytes were isolated and...

journal_title：Lipids

authors： Awad AB,Ferger SL,Fink CS

更新日期：1990-06-01 00:00:00

abstract：:The oxidation of free DHA, DHA mixed with PC, and DHA incorporated into PC, PE, or TG was evaluated to determine which lipid provided DHA with the best protection against oxidation. DHA was either situated at the sn-1 position, sn-2 position, or both positions of the phospholipid, whereas the TG contained DHA at all p...

journal_title：Lipids

authors： Lyberg AM,Fasoli E,Adlercreutz P

更新日期：2005-09-01 00:00:00

abstract：:The beta-adrenergic system in cardiac muscle cells is influenced by the n-3 polyunsaturated fatty acid (PUFA) content in cell membranes. This study deals with the specific effect of docosahexaenoic acid (DHA) as compared to other n-3 PUFA, without modification of the arachidonic acid content. Increasing the DHA conten...

journal_title：Lipids

authors： Grynberg A,Fournier A,Sergiel JP,Athias P

更新日期：1996-03-01 00:00:00

abstract：:Omega-3 (n-3) long-chain polyunsaturated fatty acids (LC-PUFA) are essential components of the diet of all vertebrates. The major dietary source of n-3 LC-PUFA for humans has been fish and seafood but, paradoxically, farmed fish are also reliant on marine fisheries for fish meal and fish oil (FO), traditionally major ...

journal_title：Lipids

authors： Betancor MB,Sprague M,Montero D,Usher S,Sayanova O,Campbell PJ,Napier JA,Caballero MJ,Izquierdo M,Tocher DR

更新日期：2016-10-01 00:00:00

abstract：:Several ions in the mass spectra of wax esters were related to the molecular structures. Assigned structures of ions were confirmed by deuterium labeling. A simple, direct method for quantititive analyses of mixtures was developed. The method involved a comparison of sets of three ions, RCO2H(+), RCO2H2 (+) and [R'-1]...

journal_title：Lipids

authors： Aasen AJ,Hofstetter HH,Iyengar BT,Holman RT

更新日期：1971-07-01 00:00:00

abstract：:This paper describes a simple method for the analysis of tocopherols in tissues by which frozen tissues-70 degrees C were pulverized at dry ice temperatures (-70 degrees C) and immediately extracted with hexane. There was no need to remove the coeluting lipids from tissues by saponification, since at that level of neu...

journal_title：Lipids

authors： Kramer JK,Blais L,Fouchard RC,Melnyk RA,Kallury KM

更新日期：1997-03-01 00:00:00

abstract：:We investigated the effect of oral supplementation with evening primrose oil, containing 72% linoleic acid (18:2n-6) and 10% gamma-linolenic acid (18:3n-6), on the epidermal and neutrophil phospholipid fatty acid composition in 15 patients with atopic dermatitis (AD). Three different dose levels, 4, 8 and 12 capsules ...

journal_title：Lipids

authors： Schäfer L,Kragballe K

更新日期：1991-07-01 00:00:00

abstract：:The major sterols of the seeds ofBenincasa cerifera, Cucumis sativus, Cucurbita maxima, C. pepo andTrichosanthes japonica and of the mature plant tissues (leaves and stems) ofCitrullus battich, Cucumis sativus andGynostemma pentaphyllum of the family Cucurbitaceae were 24-ethyl-Δ(7)-sterols which were accompanied by s...

journal_title：Lipids

authors： Akihisa T,Thakur S,Rosenstein FU,Matsumoto T

更新日期：1986-01-01 00:00:00

abstract：:Because bile contains substantial amounts of cholesterol precursors, e.g., squalene and different methyl sterols, the fate of biliary squalene was studied by incubating isolated jejunal loops of the rat in vivo with bile containing 3H-squalene and 14C-cholesterol. After 90 min, no radioactivity was found in plasma lip...

journal_title：Lipids

authors： Strandberg TE

更新日期：1983-08-01 00:00:00

abstract：:The concentrations of the major neutral lipid and phospholipid classes in the plasma of rats bearing hepatoma 7288CTC were determined at various times after transplantation. The fatty acid composition of each lipid class was also analyzed quantitatively as tumor growth progressed. Generally, most lipid classes exhibit...

journal_title：Lipids

authors： Matocha M,Wood R

更新日期：1980-06-01 00:00:00

abstract：:Bioassay-guided fractionation of a collection of Moorea bouillonii from Papua New Guinea led to the isolation of a new alkyl amide, mooreamide A (1), along with the cytotoxic apratoxins A-C and E. The planar structure of 1 was elucidated by NMR spectroscopy and mass spectrometry analysis. Structural homology between m...

journal_title：Lipids

authors： Mevers E,Matainaho T,Allara' M,Di Marzo V,Gerwick WH

更新日期：2014-11-01 00:00:00

abstract：:Administration of 2,2'''-([1-methyl-4, 4-diphenylbutylidene] bis(p-phenyl-eneoxy]) bistriethylamine oxalate (SQ 10,591) at 20 mg/Kg daily for 5 days to cholesterol-fed rabbits resulted in no change in aortic microsomal cholesterol esterification with a palmitoyl coenzyme A substrate or of aortic mitochondrial choleste...

journal_title：Lipids

authors： Morin RJ

更新日期：1975-02-01 00:00:00

abstract：:Chemical composition of subcellular components of HeLa, KB, human heart and liver tissue-culture cell lines have been studied.The concentration of RNA, protein and phospholipid (mug/mug of DNA) of total subcellular particles was similar for all four cell lines studied. The greatest RNA concentration and lowest protein...

journal_title：Lipids

authors： Tsao SS,Cornatzer WE

更新日期：1967-01-01 00:00:00

abstract：:Saccharomyces cerevisiae cells were demonstrated to contain lysophosphatidylcholine (lysoPtdCho) acyltransferase (E.C. 2.3.1.23) activity. The enzyme displayed Km(app) of 69 microM for lysoPtdCho and 152 microM for oleoyl CoA. Enzyme activity was not affected by the addition of 1 mM Mg2+, Mn2+, Ca2+, or 200 mM EDTA. H...

journal_title：Lipids

authors： Richard MG,McMaster CR

更新日期：1998-12-01 00:00:00

abstract：:Two new fatty acid metabolites, 5(Z),7(E),9(E),14(Z),17(Z)-icosapentaenoic acid and 5(E),7(E),9(E),14(Z),17(Z)-icosapentaenoic acid, have been isolated from the temperate red marine alga, Ptilota filicina (Ceramiales, Rhodophyta). The structures of these new compounds, isolated as their methyl ester derivatives, have ...

journal_title：Lipids

authors： Lopez A,Gerwick WH

更新日期：1987-03-01 00:00:00

abstract：:Palm oil is one of the most important edible oils in the world. Its composition (rich in palmitate and oleate) make it suitable for general food uses but its utility could be increased if its fatty acid quality could be varied. In this study, we have modified a palm olein fraction by transesterification with the n-3 p...

journal_title：Lipids

authors： Zainal Z,Longman AJ,Hurst S,Duggan K,Hughes CE,Caterson B,Harwood JL

更新日期：2009-07-01 00:00:00

abstract：:SRI 62-834, an analog of the antitumor agent ET-18-OCH3 in which the oxygen atom at carbon atom 2 has been incorporated into a five-membered heterocycle, has been prepared and evaluated as an antitumor agent. The compound exhibited good cytotoxicity in vitro against a variety of tumor cell lines and was as effective a...

journal_title：Lipids

authors： Houlihan WJ,Lee ML,Munder PG,Nemecek GM,Handley DA,Winslow CM,Happy J,Jaeggi C

更新日期：1987-11-01 00:00:00

abstract：:This study was carried out to investigate the effects of a dietary oxidized oil on lipid metabolism in rats, particularly the desaturation of fatty acids. Two groups of rats were fed initially for a period of 35 d diets containing 10% of either fresh oil or thermally treated oil (150 degrees C, 6 d). The dietary fats ...

journal_title：Lipids

authors： Eder K

更新日期：1999-07-01 00:00:00

abstract：:We have previously reported that the relative content of 18:3 omega 3 in adipose triglyceride (TG) of women was reduced following major weight loss while on a very low calorie diet (VLCD). In an attempt to prevent this loss of 18:3 omega 3 reserves, we have tested two VLCD supplemented with varying amounts of 18:3 ome...

journal_title：Lipids

authors： Tang AB,Nishimura KY,Phinney SD

更新日期：1993-11-01 00:00:00

abstract：:Mice exposed to cold rely upon brown adipose tissue (BAT)-mediated nonshivering thermogenesis to generate body heat using dietary glucose and lipids from the liver and white adipose tissue. In this report, we investigate how cold exposure affects the PI3 K/Akt signaling cascade and the expression of genes involved in ...

journal_title：Lipids

authors： Deiuliis JA,Liu LF,Belury MA,Rim JS,Shin S,Lee K

更新日期：2010-06-01 00:00:00