Fatty Acid Composition of Phospholipids and in the Central and External Positions of Triacylglycerol in Muscle and Subcutaneous Fat of Beef Steers Fed Diets Supplemented with Oil Containing n6 and n3 Fatty Acids While Undergoing One of Three 48 h Feed Withdrawal Treatments
Table 2
Unsaturated fatty acid composition of phospholipid (PL), triacylglycerol (TAG), and at sn-2 monoglycerol (sn2) and sn1/3 of fat from the pars costalis diaphragmatis (PCD) of beef steers fed dietary oil composed of an equal mixture of flax oil and sunflower oil at 5% of diet and in one of no feed withdrawal (No FW), single feed withdrawal (FW × 1), and feed withdrawal every 8 wk (FW × 4) for 48 h treatments.
Item
Location
Control
Oil
Probability
No FW
No FW
Diet
FW
Fat (%)1
0.090
0.930
0.778
Fatty acid (wt %)2
16:1c9
PL TAG sn2 sn1/3
0.0042 0.0390 0.1470 0.0133
0.5575 0.6145 0.3476 0.7624
0.1625 0.9587 0.9007 0.8757
18:1t9
PL TAG sn2 sn1/3
0.0001 0.0001 0.1063 0.0001
0.6047 0.6329 0.3700 0.2974
0.4898 0.5855 0.7840 0.7653
18:1t11
PL TAG sn2 sn1/3
0.0001 0.0001 0.1054 0.0001
0.6818 0.1750 0.1810 0.4750
0.3064 0.3088 0.8312 0.5305
18:1c9
PL TAG sn2 sn1/3
0.0117 0.0606 0.7381 0.0644
0.3050 0.4334 0.5156 0.6027
0.0557 0.0689 0.5819 0.0493
18:2t9c11
PL TAG sn2 sn1/3
—
—
—
—
—
—
0.0001 0.0001 — 0.0001
0.4224 0.1367 — 0.1362
0.1577 0.3201 — 0.3241
18:26c9, 12
PL TAG sn2 sn1/3
0.0103 0.0262 0.4018 0.0406
0.4857 0.3416 0.5291 0.3348
0.9137 0.7200 0.7168 0.8670
18:33C9, 12, 15
PL TAG sn2 sn1/3
0.0326 0.0001 0.4591 0.0050
0.6321 0.1043 0.2189 0.3475
0.3615 0.1182 0.1301 0.3903
CLAc9t11
PL TAG sn2 sn1/3
0.0034 0.0001 0.6811 0.0177
0.5983 0.0665 0.4191 0.1903
0.9584 0.0022 0.4420 0.1687
CLAt10c12
PL TAG sn2 sn1/3
6
0.2976 0.3563 0.8140 0.7797
0.3666 0.1712 0.2088 0.2140
0.5446 0.3232 0.6164 0.6239
eported in He et al. [12] fat content is on as is basis. as in Paterson et al. [10], .
