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Polymers of triglycerides generated during heating of fat do not protect linoleic acid from ruminal biohydrogenation

Kaleem, Muhammad and Enjalbert, Francis and Farizon, Yves and Troegeler-Meynadier, Annabelle Polymers of triglycerides generated during heating of fat do not protect linoleic acid from ruminal biohydrogenation. (2011) In: 8th International Symposium on the Nutrition of Herbivores, 6-9 Sept 2011, Aberystwyth, United Kingdom . (Unpublished)

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Abstract

Heating fats often induces a decrease of cis-9, cis-12 C18:2 and cis-9, cis-12, cis-15 C18:3 biohydrogenation (BH) in vivo (Gonthier et al. 2005), in situ (Troegeler-Meynadier et al. 2006) and in vitro (Privé et al. 2010). This is of interest because it could increase polyunsaturated fatty acids (PUFA) content of ruminant products. Temperature and duration of heating of sunflower oil affect ruminal BH of PUFA, in part due to peroxide value (Privé et al., 2010). Our hypothesis was that polymers of triglycerides (TG), formed during heating of TG but not of free FA, could be responsible for partial protection of PUFA from BH.

Item Type:Conference or Workshop Item (Poster)
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Ecole Nationale Vétérinaire de Toulouse - ENVT
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
French research institutions > Institut National de la Recherche Agronomique - INRA
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Deposited By: Annabelle Troegeler
Deposited On:10 Feb 2012 15:48

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