Analysis and fatty acid composition of tobacco seed oils View Full Text


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Article Info

DATE

1945-05

AUTHORS

R. W. Riemenschneider, R. M. Speck, E. G. Beinhart

ABSTRACT

THE fatty acid compositions of twelve samples of oil representing a number of different types and varieties of tobacco were determined by the thiocyanometric method. The samples were remarkably uniform in composition, containing on the average 75% linoleic, 15% oleic, and 10% saturated acids.Spectrophotometric determination of the linoleic acid content of two samples of oil gave values 3.0 and 5.4% higher than those by the thiocyanometric method.A more complete investigation of the fatty acid constituents of one sample of flue-cured tobacco seed oil was carried out by analysis of fractions obtained by distillation of the methyl esters and by low-temperature crystallization of the distilled ester fractions. The composition calculated from these analyses agreed well with that determined from analysis directly on the oil. The saturated acids consisted of palmitic and stearic acids, the proportions being about 7 and 3%, respectively, of the total fatty acids. Analysis of this sample of oil showed that it contained 0.043% of tocopherol.From its composition, tobacco seed oil would seem to be particularly suitable for the manufacture of nonyellowing alkyds or for the preparation of technical linoleic acid. More... »

PAGES

120-122

References to SciGraph publications

  • 1932-04. Peroxide formation as a measure of autoxidative deterioration in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
  • 1941-10. The thiocyanogen values of the methyl esters of oleic, linoleic, and linolenic acids in JOURNAL OF THE AMERICAN OIL CHEMISTS' SOCIETY
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    http://scigraph.springernature.com/pub.10.1007/bf02635515

    DOI

    http://dx.doi.org/10.1007/bf02635515

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