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Adipose tissue fatty acids of piglets fed formulae varying in saturated and monounsaturated fatty acids, linoleic and linolenic acid, and with longer chain N-3 fatty acids from fish oil

Innis, S.M.; King, J.D.; Dyer, R.; Quinlan, P.; Diersen Schade, D.

Nutrition Research 13(8): 929-940

1993


ISSN/ISBN: 0271-5317
DOI: 10.1016/s0271-5317(05)80596-2
Accession: 008112640

The effect of formula saturated fatty acid chain length 8:0 + 10:0, 12:0 + 14:0, or 16:0, 8:0 + 10:0 and 18:1, and 20:5 n-3 + 22:6 n-3 from fish oil on the adipose tissue fatty acids of piglets fed formula from birth for 18 days was studied. Adipose tissue 8:0 + 10:0 did not exceed 5.3% fatty acids even when the formula had 42.5%/8:0 + 10:0. The % 14:0 in adipose tissue approximated that in the formula, 12:0 was present at about 50% the level in the formula. Formulae with 8:0 + 10:0, and to lesser extent 12:0 + 14:0, resulted in higher adipose % 18:1, 18:2 n-6 and 18:3 n-3 than formulas with 16:0. It is suggested that portal-venous transport and oxidation of dietary 8:0, 19:0, 12:0 results in greater tissue retention of dietary 18:1, 18:2 n-6 and 18:3 n-3. 20:5 n-3 and 22:6 n-3 were stored in minimal amounts (0.2%, 0.3% respectively) in adipose tissue.

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