Analysis of cis- and trans-fatty acid isomers in hydrogenated and refined vegetable oils by capillary gas-liquid chromatography

JAOCS, Journal of the American Oil Chemists' Society

Volumn 73, Issue 3, 1996, Pages 275-282

  Duchateau, G S M J E ^a   Van Oosten, H J ^a   Vasconcellos, M A ^a  

^a UNILEVER RESEARCH VLAARDINGEN   (Netherlands)

Author keywords

Capillary GLC; cis trans; Deodorized oils; Fatty acid methyl esters; Geometrical isomers; Hydrogenated oils; Optimization; Positional isomers; Stationary phases

Indexed keywords

EID: 0001017454     PISSN: 0003021X     EISSN: None     Source Type: Journal    
DOI: 10.1007/BF02523420     Document Type: Article

References (15)

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10. Wolff, R.L., Further Studies on Artificial Geometrical Isomers of α-Linolenic Acid in Edible Linolenic Acid-Containing Oils, J. Am. Oil Chem. Soc. 70:219-224 (1993).
11. Wolff, R.L., and J.-L. Sebedio, Geometrical Isomers of Linolenic Acid in Low-Calorie Spreads Marketed in France, Ibid. 68:719-725 (1991).
12. Wolff, R.L., Heat-Induced Geometrical Isomerization of α-Linolenic Acid: Effect of Temperature and Heating Time on the Appearance of Individual Isomers, Ibid. 70:425-430 (1993).
13. Wolff, R.L., Analysis of Alpha-Linolenic Acid Geometrical Isomers in Deodorized Oils by Capillary Gas-Liquid Chromatography on Cyanoalkyl Polysiloxane Stationary Phases: A Note of Caution, Ibid. 71:907-909 (1994).
14. Scholfield, C.R., Gas Chromatographic Equivalent Chain Lengths of Fatty Acid Methyl Esters on a Silar 10C Glass Capillary Column, Ibid. 58:662-663 (1981).
15. Official Methods and Recommended Practices of the American Oil Chemists' Society, American Oil Chemists' Society, Champaign, revised 1969, re-approved 1989, updated 1992, Method Ce 2-66.