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Flaxseed fed pork: N-3 Fatty acid enrichment and contribution to dietary recommendations

Turner, T.D., Mapiye, C., Aalhus, J.L., Beaulieu, A.D., Patience, J.F., Zijlstra, R.T., Dugan, M.E.R. (2014). Flaxseed fed pork: N-3 Fatty acid enrichment and contribution to dietary recommendations, 96(1), 541-547. http://dx.doi.org/10.1016/j.meatsci.2013.08.021

Abstract

The potential to increase n. - 3 fatty acid (FA) intake via flaxseed fed pork is underestimated when restricted to pure longissimus muscle, whereas a combination of muscle and adipose tissue is typically consumed. Presently, the FA content of pigs fed 0%, 5% and 10% dietary flaxseed for 11. weeks was measured in loin, picnic and butt primals (lean muscle with epimysium (L), L plus seam fat (LS), and LS plus 5. mm backfat (LSS)). The n. - 3 FA content necessary for an enrichment claim in Canada (300. mg/100. g serving) was exceeded in L from all primals when feeding 5% flaxseed, being 4. fold that of controls (P. <. 0.001), with further enrichment from inclusion of associated adipose tissues (P. <. 0.001). Increasing flaxseed feeding levels in combination with adipose tissue inclusion amplified total long chain n. - 3 FA (P.<. 0.05), particularly 20:5n. - 3 and 22:5n. - 3. Flaxseed-fed n. - 3 FA enriched pork can contribute substantially to daily long chain n. - 3 FA intakes, particularly for societies with typically low seafood consumption. © 2013 .

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