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686. The fatty acids of butterfat and the volatile acids formed on oxidation

Published online by Cambridge University Press:  01 June 2009

J. C. Hawke
J. C. Hawke
Affiliation:
Fats Research Laboratory, Department of Scientific and Industrial Research, Wellington, New Zealand
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Extract

1. Despite the presence of appreciable quantities of steam volatile fatty acids as glycerides in butterfat, no short-chain fatty acids with odd carbon number have been detected by gas-liquid chromatography of the acids.

2. Mild oxidation of butterfat for short periods of time produces steam volatile fatty acids with odd carbon number. A large proportion of these acids was formic, with smaller proportions of propionic, valeric and nonanoic acids.

3. The relative ease with which short-chain fatty acids are produced on oxidation of fats, points to the danger of contaminating naturally occurring fatty acids with extraneous acids.

4. A total analysis of the fatty acids of New Zealand butterfat by gas-liquid chromatography compared well with similar analyses carried out by previous workers by means of esterfractionation analysis.

Type
Original Articles
Information
Journal of Dairy Research , Volume 24 , Issue 3 , October 1957 , pp. 366 - 371
Copyright
Copyright © Proprietors of Journal of Dairy Research 1957

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References

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