Accurate determination of trans  isomers in shortenings and edible oils by infrared spectrophotometry | Zendy

Madison B. L. | Zendy; Depalma R. A. | Zendy; D’Alonzo R. P. | Zendy

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Accurate determination of trans isomers in shortenings and edible oils by infrared spectrophotometry

Author(s) -

Madison B. L.,

Depalma R. A.,

D’Alonzo R. P.

Publication year - 1982

Publication title -

journal of the american oil chemists' society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.512

H-Index - 117

eISSN - 1558-9331

pISSN - 0003-021X

DOI - 10.1007/bf02680271

Subject(s) - infrared spectrophotometry , chromatography , infrared , chemistry , calibration , gas chromatography , analytical chemistry (journal) , spectrophotometry , infrared spectroscopy , organic chemistry , mathematics , optics , statistics , physics

A procedure is described for the accurate analysis of the trans content of fats and oils in the range of 0.5–36% trans . This procedure is shown to be more accurate than other current infrared spectrophotomeny methods. This increased accuracy is obtained by using a 2‐component calibration standard mixture and measuring the samples as methyl esters. Good agreement between this method and the measurement of trans content by a gas chromatography procedure is demonstrated.

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