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Conjugated Linoleic Acid Reference Center

References for Conjugated Linoleic Acid that cover several topics are available below. Choose the "Topic" and "Year" you are interested in and then click the "Go" button. If you have additional questions please contact Dr. Michael W. Pariza, mwpariza@wisc.edu.

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Analytical Methods

2013
  1. 03-18-2013 update: Chisaguano AM; Lozano B; Molto-Puigmarti C; Castellote AI; Rafecas M; Lopez-Sabater MC. Elaidic acid, vaccenic acid and rumenic acid (c9, t11-CLA) determination in human plasma phospholipids and human milk by fast gas chromatography. Anal. Methods 5(5): 1264-1272 DOI: 10.1039/c2ay26236c (2013).
  2. 03-25-2013 update: Rodriguez-Alcala LM; Calvo MV; Fontecha J. A Quick, Optimized Method for Routine Analysis of Essential and Trans-Octadecenoic Acids in Edible Fats and Oils by GLC. J. Chromatogr. Sci. 51(1): 70-81 DOI: 10.1093/chromsci/bms109 (2013).
2012
  1. Batiston WP; Maruyama SA; Gomes STM; Visentainer JV; de Souza NE; Matsushita M. Absolute Quantification of Fatty Acid and Proximate Composition of Cow and Goat Powdered Milks. J. Brazilian Chem. Soc. 23(10): 1907-1914 (2012).
  2. Cecchinato A; De Marchi M; Penasa M; Casellas J; Schiavon S; Bittante G. Genetic analysis of beef fatty acid composition predicted by near-infrared spectroscopy. J. Anim. Sci. 90(2): 429-438 DOI: 10.2527/jas.2011-4150 (2012).
  3. Delmonte P; Fardin-Kia AR; Kramer JKG; Mossoba MM; Sidisky L; Tyburczy C; Rader JI. Evaluation of highly polar ionic liquid gas chromatographic column for the determination of the fatty acids in milk fat. J. Chromatogr. A 137-146 DOI: 10.1016/j.chroma.2012.02.012 (2012).
  4. Ecker J; Scherer M; Schmitz G; Liebisch G. A rapid GC-MS method for quantification of positional and geometric isomers of fatty acid methyl esters. J. Chromatogr. B Anal. Technol. Biomed. Life Sci. 897: 98-104 DOI: 10.1016/j.jchromb.2012.04.015 (2012).
  5. Higashi T; Takekawa M; Min JZ; Toyo'oka T. Diels-Alder derivatization for sensitive detection and characterization of conjugated linoleic acids using LC/ESI-MS/MS. Anal Bioanal Chem 403(2): 495-502 DOI: 10.1007/s00216-012-5819-8 (2012).
  6. Lee MRF; Tweed JKS; Kim EJ; Scollan ND. Beef, chicken and lamb fatty acid analysis - a simplified direct bimethylation procedure using freeze-dried material. Meat Sci. 92(4): 863-866 DOI: 10.1016/j.meatsci.2012.06.013 (2012).
  7. Momchilova SM; Nikolova-Damyanova BM. Advances in Silver Ion Chromatography for the Analysis of Fatty Acids and Triacylglycerols-2001 to 2011. (Review) Anal. Sci. 28(9): 837-844 (2012).
  8. Ping H; Wang JH; Ma ZH; Lu AX; Shu XL; Pan LG. Analysis of Volatile Compounds in Different Parts of Panax Quinquefolius L. by Online Gel Permeation Chromatography-Gas Chromatography/Mass Spectrometry System. Sensor Lett. 10(1-2): 619-624 DOI: 10.1166/sl.2012.1833 (2012).
  9. Prieto N; Dugan MER; Lopez-Campos O; McAllister TA; Aalhus JL; Uttaro B. Near infrared reflectance spectroscopy predicts the content of polyunsaturated fatty acids and biohydrogenation products in the subcutaneous fat of beef cows fed flaxseed. Meat Sci. 90(1): 43-51 DOI: 10.1016/j.meatsci.2011.05.025 (2012).
  10. Shah U; Proctor A; Lay JO; Moon K. Determination of CLA trans,trans Positional Isomerism in CLA-Rich Soy Oil by GC-MS and Silver Ion HPLC. J. Am. Oil Chem. Soc. 89(6): 979-985 DOI: 10.1007/s11746-011-2001-y (2012).
2011
  1. Alves SP; Tyburczy C; Lawrence P; Bessa RJB; Brenna JT. Acetonitrile covalent adduct chemical ionization tandem mass spectrometry of non-methylene-interrupted pentaene fatty acid methyl esters. Rapid Commun. Mass Spectrom. 25(14): 1933-1941 DOI: 10.1002/rcm.5065 (2011).
  2. Butler G, Stergiadis S. Suitability of bronopol preservative treated milk for fatty acid determination. J. Dairy Res. 78(2): 220-225 (2011).
  3. Czauderna M, Kowalczyk J, Marounek M, Michalski JP, Rozbicka-Wieczorek AJ, Krajewska KA. A new internal standard for HPLC assay of conjugated linoleic acid in animal tissues and milk. Czech J. Anim. Sci. 56(1): 23-29 (2011).
  4. Delmonte P, Kia ARF, Kramer JKG, Mossoba MM, Sidisky L, Rader JI. Separation characteristics of fatty acid methyl esters using SLB-IL111, a new ionic liquid coated capillary gas chromatographic column. J. Chromatogr. A. 1218(3): 545-554 (2011).
  5. Kadamne JV, Castrodale CL, Proctor A. Measurement of Conjugated Linoleic Acid (CLA) in CLA-Rich Potato Chips by ATR-FTIR Spectroscopy. J. Agric. Food Chem. 59(6): 2190-2196 (2011).
  6. Kobayashi T; Nagao T; Watanabe Y; Shimada Y. Direct GC Analysis of the Fatty Acid Compositions of Conjugated Linoleic Acid and Its L-Menthyl Esters. J. Oleo Sci. 60(8): 445-448 (2011).
  7. Mossoba MM, Seiler A, Steinhart H, Kramer JKG, Rodrigues-Saona L, Griffith AP, Pierceall R, van de Voort FR, Sedman J, Ismail AA, Barr D, Da Costa PA, Li H, Zhang Y, Liu X, Bradley M. Regulatory Infrared Spectroscopic Method for the Rapid Determination of Total Isolated Trans Fat: A Collaborative Study. J. Am. Oil Chem. Soc. 88(1): 39-46 (2011).
  8. Muriuki MW, Dumancas GG, Purdie N, Reilly L. Quantification of Total omega-6 and omega-3 Fatty Acids and omega-6/omega-3 Ratio in Human Serum Using GC-MS. LG GC North America 29(1): 60-+ (2011).
  9. Rodriguez-Alcala LM, Braga T, Malcata FX, Gomes A, Fontecha J. Quantitative and qualitative determination of CLA produced by Bifidobacterium and lactic acid bacteria by combining spectrophotometric and Ag+-HPLC techniques. Food Chem. 125(4): 1373-1378 (2011).
  10. Rodriguez-Castanedas JL; Pena-Egido MJ; Garcia-Marino M; Garcia-Moreno C. Quantitative determination of conjugated linoleic acid isomers by silver ion HPLC in ewe milk fat. J. Food Composition Anal. 24(7): 1004-1008 DOI: 10.1016/j.jfca.2010.10.009 (2011).
  11. Smyk B, Wieczorek P, Zadernowski R. A method of concentration estimation of trienes, tetraenes, and pentaenes in evening primrose oil. European J. Lipid Sci. Technol. 113(5): 592-596 (2011).
  12. Stefanov I; Baeten V; Abbas O; Colman E; Vlaeminck B; De Baets B; Fievez V. Determining Milk Isolated and Conjugated trans-Unsaturated Fatty Acids Using Fourier Transform Raman Spectroscopy. J. Agric. Food Chem. 59(24): 12771-12783 DOI: 10.1021/jf203463r (2011).
2010
  1. Bocking C, Nockher WA, Schreiner M, Renz H, Pfefferle PI. Development and validation of a combined method for the biomonitoring of omega-3/-6 fatty acids and conjugated linoleic acids in different matrices from human and nutritional sources. Clin. Chem. Lab. Med. 48(12): 1757-1763 (2010).
  2. Dance LJE, Doran O, Hallett K, Dannenberger D, Nuernberg G, Nuernberg K. Comparison of two derivatisation methods for conjugated linoleic acid isomer analysis by Ag+-HPLC/DAD in beef fat. European J. Lipid Sci. Technol. 112(2):188-194 (Sp. Iss. ). (2010).
  3. Dugan MER, Aldai N, Kramer JKG, Gibb DJ, Juarez M, McAllister TA. Feeding wheat dried distillers grains with solubles improves beef trans and conjugated linoleic acid profiles. J. Anim. Sci. 88(5): 1842-1847 (2010).
  4. Jenkins TC . Technical note: Common analytical errors yielding inaccurate results during analysis of fatty acids in feed and digesta samples. J. Dairy Sci. 93(3):1170-1174 (2010).
  5. Kuhnt K, Degen C, Jahreis G. 2-Propanol in the mobile phase reduces the time of analysis of CLA isomers by silver ion-HPLC. J. Chromatogr B 878(1): 88-91 (2010).
  6. Maria RM, Colnago LA, Forato LA, Bouchard D. Fast and Simple Nuclear Magnetic Resonance Method To Measure Conjugated Linoleic Acid in Beef. J. Agric. Food Chem. 58(11): 6562-6564 (2010).
  7. Phillips KM, Ruggio DM, Howe JC, Leheska JM, Smith SB, Engle T, Rasor AS, Conley NA. Preparation and characterization of control materials for the analysis of conjugated linoleic acid and trans-vaccenic acid in beef. Food Res. Internat. 43(9): 2253-2261 (2010).
  8. Ruiz-Rodriguez A, Reglero G, Ibanez E. Recent trends in the advanced analysis of bioactive fatty acids. (Review.) J. Pharmaceutical Biomed. Anal. 51(2): Sp. Iss.:305-326 (2010).
  9. Simionato JI, Garcia JC, dos Santos GT, Oliveira CC, Visentainer JV, de Souza NE. Validation of the Determination of Fatty Acids in Milk by Gas Chromatography. J. Brazilian Chem. Soc. 21(3): 520-524 (2010).
  10. Yen TY, Inbaraj BS, Chien JT, Chen BH. Gas chromatography-mass spectrometry determination of conjugated linoleic acids and cholesterol oxides and their stability in a model system. Analytical Biochem. 400(1): 130-138 (2010).
2009
  1. Alonso L, Cuesta P, Gilliland SE. Effect of beta-Cyclodextrin on trans Fats, CLA, PUFA and Phospholipids of Milk Fat. J. Am. Oil Chem. Soc. 86(4):337-342 (2009).
  2. Alves SP, Bessa RJB. Comparison of two gas-liquid chromatograph columns for the analysis of fatty acids in ruminant meat. J. Chromatography A 1216(26):5130-5139 (2009).
  3. Bernuy B, Meurens M, Mignolet E, Turu C, Larondelle Y. Determination by Fourier Transform Raman Spectroscopy of Conjugated Linoleic Acid in I-2-Photoisomerized Soybean Oil. J. Agric. Food Chem. 57(15):6524-6527 (2009).
  4. Blasko J, Kubinec R, Ostrovsky I, Pavlikova E, Krupcik J, Sojak L. Chemometric deconvolution of gas chromatographic unresolved conjugated linoleic acid isomers triplet in milk samples. Conference Information: Joint Conference of the 32nd International Symposium on Capillary Chromotography/5th GC x GC Symposiu,, MAY 26-30, 2008 Riva del Garda, ITALY. J. Chromatography A 1216(14):2757-2761 (2009).
  5. Gomez-Cortes P, Tyburczy C, Brenna JT, Juarez M, de la Fuente MA. Characterization of cis-9 trans-11 trans-15 C18:3 in milk fat by GC and covalent adduct chemical ionization tandem MS. J. Lipid Res. 50(12): 2412-2420 (2009).
  6. Kadamne JV, Jain VP, Saleh M, Proctor A. Measurement of Conjugated Linoleic Acid (CLA) in CLA-Rich Soy Oil by Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy (ATR-FTIR). J. Agric. Food Chem. 57(22): 10483-10488 (2009).
  7. Kurban S, Erkoc F, Erkoc S. Quantum-chemical treatment of the linoleic acid molecule and two of its conjugated isomers. European J. Lipid Sci. Technol. 111(10): 1035-1041 (2009).
  8. Lall RK, Proctor A, Jain VP, Lay JO. Conjugated Linoleic Acid-Rich Soy Oil Triacylglycerol Identification. J. Agric. Food Chem. 57(5):1727-1734 (2009).
  9. Smyk B, Amarowicz R, Szabelski M, Gryczynski I, Gryczynski Z. Steady-state and time-resolved fluorescence studies of stripped Borage oil. Analytica Chimica Acta 646(1-2):85-89 (2009).
2008
  1. Bicalho B, David F, Rumplel K, Kindt E, Sandra P. Creating a fatty acid methyl ester database for lipid profiling in a single drop of human blood using high resolution capillary gas chromatography and mass spectrometry. J. Chromatogr. A 1211(1-2):120-128 (2008).
  2. Blasko J, Kubinec R, Pavikova E, Krupcik J, Sojak L. On the chemometric deconvolution of gas chromatographically unseparated trans-7,cis-9, cis-9,trans-11 and trans-8,cis-10 octadecadienoic acid isomers in ewe and cow milks. J. Food Nutr. Res. 47(1):29-36 (2008).
  3. Hashem MA, Jun KY, Lee E, Lim S, Choo HYP, Kwon Y. A Rapid and Sensitive Screening System for Human Type I Collagen with the Aim of Discovering Potent Anti-Aging or Anti-Fibrotic Compounds. Molecules Cells 26(6):625-630 (2008).
  4. Kramer JKG, Hernandez M, Cruz-Hernandez C, Kraft J, Dugan MER. Combining results of two GC separations partly achieves determination of all cis and trans 16 : 1, 18 : 1, 18 : 2 and 18 : 3 except CLA isomers of milk fat as demonstrated using ag-ion SPE fractionation. Lipids 43(3):259-273 (2008).
  5. Luna P, Juarez M, de la Fuente MA. Gas chromatography and silver-ion high-performance liquid chromatography analysis of conjugated linoleic acid isomers in free fatty acid form using sulphuric acid in methanol as catalyst. J. Chromatogr. A 1204(1):110-113 (2008).
  6. Pajunen TI, Koskela H, Hase T, and Hopia A. NMR properties of conjugated linoleic acid (CLA) methyl ester hydroperoxides. Chem. Phys. Lipids 154:105-114 (2008).
  7. Schripsema J. Comprehensive analysis of polar and apolar constituents of butter and margarine by nuclear magnetic resonance, reflecting quality and production processes. (Review.) J. Agric. Food Chem. 56(8):2547-2552 (2008).
  8. Tokusoglu O. Conjugated linoleic acid (CLA). Cis 9, trans11 and trans 10, cis12 isomer detection in crude and refined corn oils by capillary GC. Grasas Aceites 59(2):146-151 (2008).
  9. Uehara H, Suganuma T, Negishi S, Uda Y, Furukawa Y, Ueno S, Sato K. Physical properties of two isomers of conjugated linoleic acid. J. Am. Oil Chem. Sco. 85(1):29-36 (2008).
2007
  1. Aldai N, Rolland DC, Kramer JKG, Dugan ER. Rapid determination of total CLA concentration in beef fat. Can. J. Anim. Sci. 87(2):181-184 (2007).
  2. Azizian H, Kramer JKG, Winsborough S. Factors influencing the fatty acid determination in fats and oils using Fourier transform near-infrared spectroscopy. European J. Lipid Sci. Technol. 109(9):960-968 (2007).
  3. Barrett E, Ross RP, Fitzgerald GF, Stanton C. Rapid screening method for analyzing the conjugated linoleic acid production capabilities of bacterial cultures. Appl. Environ. Microbiol. 73(7):2333-2337 (2007).
  4. Bondia-Pons I, Molto-Puigmarti C, Castellote AI, Lopez-Sabater MC. Determination of conjugated linoleic acid in human plasma by fast gas chromatography. J. Chromatogr. A 1157(1-2):422-429 (2007).
  5. Christie WW, Dobson G, Adlof RO. A practical guide to the isolation, analysis and identification of conjugated linoleic acid. Lipids 42(12):1073-1084 (2007).
  6. Czauderna M, Kowalczyk J, Korniluk K, Wasowska I. Improved saponification then mild base and acid-catalyzed methylation is a useful method for quantifying fatty acids, with special emphasis on conjugated dienes. Acta Chromatographica 18:59-71 (2007).
  7. Destaillats F, Golay PA, Joffre F, de Wispelaere M, Hug B, Giuffrida F, Fauconnot L, Dionisi F. Comparison of available analytical methods to measure trans-octadecenoic acid isomeric profile and content by gas-liquid chromatography in milk fat. J. Chromagr. A1145(1-2):222-228 (2007).
  8. Golay PA, Dionisi F, Hug B, Giuffrida F, Destaillats F. Direct quantification of fatty acids in dairy powders with special emphasis on trans fatty acid content. Food Chem. 101(3):1115-1120 (2007).
  9. Juaneda P, Ledoux M, Sebedio JL. Analytical methods for determination of trans fatty acid content in food. European J. Lipid Sci. Technol. 109(9):901-917 (2007).
  10. Lamos SM, Shortreed MR, Frey BL, Belshaw PJ, Smith LM. Relative quantification of carboxylic acid metabolites by liquid chromatography - Mass spectrometry using isotopic variants of cholamine. Anal. Chem. 79(14):5143-5149 (2007).
  11. Molto-Puigmarti C, Castellote AI, Lopez-Sabater MC. Conjugated linoleic acid determination in human milk by fast-gas chromatography. Anal. Chem. Acta 602(1):122-130 (2007).
  12. Mosley EE, McGuire MA. Methodology for the in vivo measurement of the Delta(9)-desaturation of myristic, palmitic, and stearic acids in lactating dairy cattle. Lipids 42(10):939-945 (2007).
  13. Muller A, Steinhart H. Recent developments in instrumental analysis for food quality. Food Chem. 102(2):436-444 (2007).
  14. Nuernberg K, Dannenberger D, Ender K, Nuernberg G. Comparison of different methylation methods for the analysis of conjugated linoleic acid isomers by silver ion HPLC in beef lipids. J. Agric. Food Chem. 55(3):598-602 (2007).
  15. Paillard D, McKain N, Rincon MT, Shingfield KJ, Givens DI, Wallace RJ. Quantification of ruminal Clostridium proteoclasticum by real-time PCR using a molecular beacon approach. J. Appl. Microbiol. 103(4):1251-1261 (2007).
  16. Perez-Palacios T, Ruiz J, Antequera T. Improvement of a solid phase extraction method for separation of animal muscle phospholipid classes. Foo d Chem. 102(3):875-879 (2007).
  17. Zabala A, Portillo MP, Navarro V, Macarulla MT, Barron LJR, Fernandez-Quintela A. Quantitative gas chromatographic method for the analysis of cis-9, trans-11 and trans-10, cis-12 isomers of the conjugated linoleic acid in liver. J. Chromatogr. B Anal. Technol. Biomed. Life Sci. 855(2):152-158 (2007).
2006
  1. Aldai N, Osoro K, Barron LJR, Najera AI. Gas-liquid chromatographic method for analysing complex mixtures of fatty acids including conjugated linoleic acids (cis9trans11 and trans10cis12 isomers) and long-chain (n-3 or n-6) polyunsaturated fatty acids - Application to the intramuscular fat of beef meat. J. Chromatogr. A 1110(1-2):133-139 (2006).
  2. Bicanic D, Mocnik G, Franko M, Niederlander HAG, van de Bovenkamp P, Cozijnsen J. Separation and direct detection of long chain fatty acids and their methylesters by the non-aqueous reversed phase HPLC and silver ion chromatography, combined with CO laser pumped thermal lens spectrometry. Instrumentation Sci. Technol. 34(1-2):129-150 (2006).
  3. de la Fuente MA, Luna P, Juarez M. Chromatographic techniques to determine conjugated linoleic acid isomers. TRAC Trends Anal. Chem. 25(9):917-926 (2006).
  4. Jung MY, Kim GB, Jang ES, Jung YK, Park SY, Lee BH. Improved extraction method with hexane for gas chromatographic analysis of conjugated linoleic acids. J. Dairy Sci. 89(1):90-94 (2006).
  5. Liavonchanka A, Hornung E, Feussner I, Rudolph M. In-house SIRAS phasing of the polyunsaturated fatty-acid isomerase from Propionibacterium acnes. Acta Crystallographica Sect. F Structural Biol. Crystallization Commun. 62:153-156 Part 2 (2006).
  6. Muller A, Markus MB, Geyer R, Ringseis R, Eder K, Steinhart H. Identification of conjugated linoleic acid elongation and beta-oxidation products by coupled silver-ion HPLC APPI-MS. J. Chromatogr. B Anal. Tech. Biomed. Life Sci. 837(1-2):147-152 (2006).
2005
  1. Akalin AS, Tokusoglu O, Gonc S, Okten S. Detection of biologically active isomers of conjugated linoleic acid in kaymak. Grasas y Aceites 56(4):298-302 (2005).
  2. Aldai N, Murray BE, Najera AI, Troy DJ, Osoro K. Derivatization of fatty acids and its application for conjugated linoleic acid studies in ruminant meat lipids. J. Sci. Food Agric. 85(7):1073-1083 (2005)
  3. Czauderna M, Kowalczyk J, Korniluk K, Wasowska I. Improving the analysis of fatty acids using a combination of gas chromatography and Ag+ liquid chromatography. 14:563-566 Suppl. 1 (2005).
  4. Delmonte P, Kataoka A, Corl BA, Bauman DE, Yurawecz MP. Relative retention order of all isomers of cis/trans conjugated linoleic acid FAME from the 6,8- to 13,15-positions using silver ion HPLC with two elution systems. Lipids 40(5):509-514 (2005).
  5. Hoffmann K, Blaudszun J, Brunken C, Hopker WW, Tauber R, Steinhart H. New application of a subcellular fractionation method to kidney and testis for the determination of conjugated linoleic acid in selected cell organelles of healthy and cancerous human tissues. Analytical Bioanalytical Chem. 381(6):1138-1144 (2005).
  6. Liu XH, Cao YS, Chen Y. Separation of conjugated linoleic acid isomers by cyclodextrin-modified micellar electrokinetic chromatography. J. Chromatogr. A 1095(1-2):197-200 (2005).
  7. Martinez CE, Vinay JC, Brieva R, Hill CG, Garcia HS. Preparation of mono- and diacylglycerols by enzymatic esterification of glycerol with conjugated linoleic acid in hexane. Appl. Biochem. Biotechnol. 125(1):63-75 (2005).
  8. Meurens M, Baeten V, Yan SH, Mignolet E, Larondelle Y. Determination of the conjugated linoleic acids in cow's milk fat by Fourier transform Raman spectroscopy. J. Agric. Food Chem. 53(15):5831-5835 (2005).
  9. Michaud AL, Lawrence P, Adlof R, Brenna JT. On the formation of conjugated linoleic acid diagnostic ions with acetonitrile chemical ionization tandem mass spectrometry. Rapid Commun. Mass Spectrom. 19(3):363-368 (2005).
  10. Muller A, Dusterloh K, Ringseis R, Eder K, Steinhart H. Development of an alternative eluent system for Ag+-HPLC analysis of conjugated linoleic acid isomers. J. Separation Sci. 29(3):358-365 (2006).
  11. Nishimura K, Suzuki T, Momchilova S, Miyashita K, Katsura E, Itabashi Y. Analysis of conjugated linoleic acids as 9-anthrylmethyl esters by reversed-phase high-performance liquid chromatography with fluorescence detection. J. Chromatog. Sci. 43(9):494-499 (2005).
  12. Saba A, Mazzini F, Raffaelli A, et al. Identification of 9(E),11(E)-18 : 2 fatty acid methyl ester at trace level in thermal stressed olive oils by GC coupled to acetonitrile CI-MS and CI-MS/MS, a possible marker for adulteration by addition of deodorized olive oil. J. Agric. Food Chem. 53(12):4867-4872 (2005).
2004
  1. Adlof RO. Separation of conjugated linoleic acid methyl esters by silver-ion high performance liquid chromatography in semi-preparative mode. J. Chromatogr. A 1033(2):369-371 (2004).
  2. Alonso L, Cuesta EP, Gilliland SE. Gas chromatographic method for analysis of conjugated linoleic acids isomers (c9t11, t10c12, and t9t11) in broth media as application in probiotic studies. J. Chromatogr. Sci. 42(3):167-170 (2004).
  3. Banni S, Petroni A, Blasevich M, Fabiyi O, Morrison RF, Mandrup S, McIntosh MK. Detection of conjugated C16 PUFAs in rat tissues as possible partial beta-oxidation products of naturally occurring conjugated linoleic acid and its metabolites. Biochim. Biophys. Acta 1682 (1-3):120-127 (2004).
  4. Cruz-Hernandez C, Deng ZY, Zhou JQ, Hill AR, Yurawecz MP, Delmonte P, Mossoba MM, Dugan MER, Kramer JKG. Methods for analysis of conjugated linoleic acids and trans-18 : 1 isomers in dairy fats by using a combination of gas chromatography, silver-ion thin-layer chromatography/gas chromatography, and silver-ion liquid chromatography. J. AOAC Int. 87(2):545-562 (2004).
  5. Delmonte P, Yurawecz MP, Mossoba MM, Cruz-Hernandez C, Kramer JKG. Improved identification of conjugated linoleic acid isomers using silver-ion HPLC separations. J. AOAC Int. 87(2):563-568 (2004).
  6. Guo Z, Sun Y. Solvent-free enzymatic synthesis of 1,3-diconjugated linoleoyl glycerol optimized by response surface methodology. Biotechnol. Progress 20(2):619-622 (2004).
  7. Igarashi M, Tsuzuki T, Kambe T, Miyazawa T. Recommended methods of fatty acid methylester preparation for conjugated dienes and trienes in food and biological samples. J. Nutr. Sci. Vitaminol. 50(2):121-128 (2004).
  8. Kramer JKG, Cruz-Hernandez C, Deng ZY, Zhou JQ, Jahreis G, Dugan MER. Analysis of conjugated linoleic acid and trans 18 : 1 isomers in synthetic and animal products. Am. J. Clin. Nutr. 79(6):1137S-1145S Suppl. S (2004).
  9. Valeille K, Gripois D, Bloquit MF, Souidi M, Riottot M, Bouthegourd JC, Serougne C, Martin JC. Lipid atherogenic risk markers can be more favourably influenced by the cis-9,trans-11-octadecadienoate isomer than a conjugated linoleic acid mixture or fish oil in hamsters. Brit. J. Nutr. 91(2):191-199 (2004).
  10. Van Nieuwenhove C, Gonzalez SN, Bardon A. Conjugated linoleic acid detection produced by dairy starter cultures. Environ. Microbiol. Methods Protocols 16: 353-356 (2004).
2003
  1. Christy AA, Egeberg PK, Ostensen ET. Simultaneous quantitative determination of isolated trans fatty acids and conjugated linoleic acids in oils and fats by chernometric analysis of the infrared profiles. Vibrational Spectroscopy 33(1-2):37-48 (2003).
  2. Cross RF, Zackari H. Ag+-HPLC of conjugated linoleic acids on a silica-based stationary phase. Part IV: A reference stationary phase and retention mechanisms. J. Separation Sci. 26(6-7):480-488 (2003).
  3. Czauderna M, Kowalczyk J, Wasowska I, Niedzwiedzka KM. Determination of conjugated linoleic acid isomers by liquid chromatography and photodiode array detection. J. Anim. Feed Sci. 12(2):369-382 (2003).
  4. Fievez V, Vlaeminck B, Dhanoa MS, Dewhurst RJ. Use of principal component analysis to investigate the origin of heptadecenoic and conjugated linoleic acids in milk. J. Dairy Sci. 86(12):4047-4053 (2003).
  5. Guo Z, Zhang GW, Sun . Preparation of conjugated linoleic acid and identification of its isomers. Chinese J. Chem. Eng. 11(2):130-135 (2003).
  6. Kim SJ, Park SJ, Kim JK, Kim JH, Shim KH, Park CG, Kim JO, Ha YL. Preparation of a t,t conjugated linoleic acid methylester (CLA-Me) isomers mixture from synthetic CLA by methylation with BF3/methanol. J. Agric. Food Chem. 51(11):3208-3214 (2003).
  7. Kim YJ, Lee KW, Lee S, Kim H, Lee HJ. The production of high-purity conjugated linoleic acid (CLA) using two-step urea-inclusion crystallization and hydrophilic arginine-CLA complex. J. Food Sci. 68(6):1948-1951 (2003).
  8. Kishino S, Ogawa J, Ando A, Iwashita T, Fujita T, Kawashima H, Shimizu S. Structural analysis of conjugated linoleic acid produced by Lactobacillus plantarum, and factors affecting isomer production. Biosci. Biotechnol. Biochem. 67(1):179-182 (2003).
  9. Michaud AL, Yurawecz MP, Delmonte P, Corl BA, Bauman DE, Brenna JT. Identification and characterization of conjugated fatty acid methyl esters of mixed double bond geometry by acetonitrile chemical ionization tandem mass spectrometry. Anal. Chem. 75(18):4925-4930 (2003).
  10. Murrieta CM, Hess BW, Rule DC. Comparison of acidic and alkaline catalysts for preparation of fatty acid methyl esters from ovine muscle with emphasis on conjugated linoleic acid. Meat Sci. 65(1):523-529 (2003).
  11. Nagao T, Yamauchi-Sato Y, Sugihara A, Iwata T, Nagao K, Yanagita T, Adachi S, Shimada Y. Purification of conjugated linoleic acid isomers through a process including lipase-catalyzed selective esterification. Biosci. Biotech. Biochem. 67(6):1429- + (2003).
  12. Shahin AM, McGuire MK, McGuire MA, Ritzenthaler KL, Shultz TD. Determination of c9,t11-CLA in major human plasma lipid classes using a combination of methylating methodologies. Lipids 38(7):793-800 (2003).
  13. Steinhart H, Rickert R, Winkler K. Identification and analysis of conjugated linoleic acid isomers (CLA). Eur. J. Med. Res. 8(8):370-372 (2003).
2002
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2001
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2000
  1. Cross RF, Ostrowska E, Muralitharan H, Dunshea FR. Mixed mode retention and the use of competing acid for the Ag+-HPLC analysis of underivatized conjugated linoleic acids. J. High Res. Chromatogr.23:317-323 (2000).
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1999
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1998
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1997
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1996
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1995
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1994
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1993
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1992
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