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HPLC and GLC analysis of the triglyceride composition of bovine, ovine and caprine milk fat

Published online by Cambridge University Press:  01 June 2009

Luis J. R. Barron ,
M. Teresa G. Hierro  and
Guillermo Santa-María
Luis J. R. Barron
Affiliation:
Instituto de Fermentaciones Industriales(CSIC) Juan de la Cierva 3, E-28006 Madrid, Spain
M. Teresa G. Hierro
Affiliation:
Instituto de Fermentaciones Industriales(CSIC) Juan de la Cierva 3, E-28006 Madrid, Spain
Guillermo Santa-María
Affiliation:
Instituto de Fermentaciones Industriales(CSIC) Juan de la Cierva 3, E-28006 Madrid, Spain
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Summary

A total of 116 molecular species of triglycerides were identified in milk fat, using a combination of HPLC and GLC. Triglyceride composition was predicted from the random composition, which was calculated on the basis of the mole fractions of the main fatty acids making up the total triglyceride fraction. The qualitative composition of the milk fat was similar in cows', ewes' and goats' milk. In all three milks the partition number of the main triglycerides was 46, but the proportions of the triglycerides with partition numbers of 34, 38, 42, and 48 exhibited substantial differences among the milks of the three species.

Type
Original Articles
Information
Journal of Dairy Research , Volume 57 , Issue 4 , November 1990 , pp. 517 - 526
Copyright
Copyright © Proprietors of Journal of Dairy Research 1990

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