Influence of fish oil on ruminal biohydrogenation of C18 unsaturated fatty acids

I Wasowska, M R G Maia, K M Niedźwiedzka, M Czauderna, J M C Ramalho Ribeiro, E Devillard, K J Shingfield, R J Wallace

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

110 Dyfyniadau (Scopus)

Crynodeb

Dietary cis-9, trans-11-conjugated linoleic acid (CLA) is generally thought to be beneficial for human health. Fish oil added to ruminant diets increases the CLA concentration of milk and meat, an increase thought to arise from alterations in ruminal biohydrogenation of unsaturated fatty acids. To investigate the mechanism for this effect, in vitro incubations were carried out with ruminal digesta and the main biohydrogenating ruminal bacterium, Butyrivibrio fibrisolvens. Linoleic acid (LA) or alpha-linolenic acid (LNA) was incubated (1.67 g/l) with strained ruminal digesta from sheep receiving a 50:50 grass hay-concentrate ration. Adding fish oil (up to 4.17 g/l) tended to decrease the initial rate of LA (P=0.025) and LNA (P=0.137) disappearance, decreased (P
Iaith wreiddiolSaesneg
Tudalennau (o-i)1199-211
Nifer y tudalennau13
CyfnodolynBritish Journal of Nutrition
Cyfrol95
Rhif cyhoeddi6
StatwsCyhoeddwyd - Meh 2006

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