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Chromatographic separation ofcis andtrans fatty esters by argentation with a macroreticular exchange resin

  • Technical
  • Published:
Journal of the American Oil Chemists Society

Abstract

Methyl oleate and methyl elaidate, as well as other monoenecis andtrans isomers of fatty esters, can be separated quickly and conveniently by a preparative chromatographic procedure in which a silver-saturated ion-exchange resin is used. Separations are based on differences in stabilites of the silver-olefin complexes. Recoveries of better than 95% were made, and puretrans andcis monoene fractions were collected. This method can be used to separate saturates fromcis andtrans monoenes. Thecis,trans,cis,cis, andtrans,trans-9-12-octadecadienoates were separated. Whilecis,trans andtrans,trans dienes were cluted separately, thecis,cis diene isomer remained on the column.

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Authors and Affiliations

  1. Northern Regional Research Laboratory, Peoria, Illinois

    E. A. Emken, C. R. Scholfield & H. J. Dutton

Authors
  1. E. A. Emken
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  2. C. R. Scholfield
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  3. H. J. Dutton
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Additional information

A laboratory of the No. Utiliz. Res. and Dev. Div., ARS, USDA.

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Emken, E.A., Scholfield, C.R. & Dutton, H.J. Chromatographic separation ofcis andtrans fatty esters by argentation with a macroreticular exchange resin. J Am Oil Chem Soc 41, 388–390 (1964). https://doi.org/10.1007/BF02654822

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  • DOI: https://doi.org/10.1007/BF02654822

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