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Rumen biohydrogenation of polyunsaturated fatty acid sources and their effect on plasma fatty acid status in sheep

Published online by Cambridge University Press:  20 November 2017

S.L. Cooper ,
L.A. Sinclair ,
R.G Wilkinson ,
S. Chikunya ,
K. Hallett ,
M. Enser  and
J.D. Wood
S.L. Cooper
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire, TF10 8NB UK
L.A. Sinclair
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire, TF10 8NB UK
R.G Wilkinson
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire, TF10 8NB UK
S. Chikunya
Affiliation:
Harper Adams University College, Edgmond, Newport, Shropshire, TF10 8NB UK
K. Hallett
Affiliation:
Division of Food Animal Science, University of Bristol, Langford, Bristol, BS18 7DY UK
M. Enser
Affiliation:
Division of Food Animal Science, University of Bristol, Langford, Bristol, BS18 7DY UK
J.D. Wood
Affiliation:
Division of Food Animal Science, University of Bristol, Langford, Bristol, BS18 7DY UK
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Extract

Increasing the n-3 polyunsaturated fatty acid (PUFA) content of ruminant products may be important in reducing the incidence of cardiovascular diseases in man. Previous experiments suggest that a-linolenic acid (C18:3n -3) in the form of whole linseed is extensively biohydrogenated both in vitro (Cooper et al., 2001) and in vivo (Wachira et al., 2000) and that some form of protection is required. By contrast the long chain PUFA’s in fish oils appear less susceptible to biohydrogenation (Wachira et al., 2000). The objective of the present study was to quantify the extent to which n-3 PUFA from different sources were biohydrogenated in the rumen and to determine the degree to which they were incorporated into plasma lipids.

Type
Poster Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2002 , 2002 , pp. 177
Copyright
Copyright © The British Society of Animal Science 2002

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References

Cooper, S.L., Sinclair, L.A., Wilkinson, R.G, Chikunya, S., Enser, M., Wood, J.D. (2001). The biohydrogenation of n-3 polyunsaturated fatty acids determined in-vitro. Proceedings of the British Society of Animal Science, 147.CrossRefGoogle Scholar
Wachira, A.M., Sinclair, L.A., Wilkinson, R.G., Hallett, K, Enser, M., Wood, J.D. (2000). Rumen biohydrogenation of n-3 polyunsaturated fatty acid and their effects on microbial efficiency and nutrient digestibility in sheep. Journal of Agricultural Science. 135: 419–428.CrossRefGoogle Scholar