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 4

Unsaturated fatty acid composition of phospholipid (PL), triacylglycerol (TAG), and at sn-2 monoglycerol (sn2) and sn1/3 of fat from the subcutaneous (SQ) fat 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 × 1), for 48 h treatments.

Item	Location	Control			Oil			Probability
		No FW			No FW			Diet	FW
Fat (%)^1								0.061	0.054	0.597
Fatty acid (wt%)^2
16:1c9	PL; TAG; sn2; sn1/3							0.0712; 0.0390; 0.9313; 0.0595	0.9055; 0.6145; 0.4987; 0.4853	0.2788; 0.9587; 0.4767; 0.3008
18:1t9	PL; TAG; sn2; sn1/3							0.0001; 0.0001; 0.4767; 0.0001	0.8844; 0.6329; 0.4033; 0.0912	0.5295; 0.5855; 0.0420; 0.1378
18:1t11	PL; TAG; sn2; sn1/3							0.0001; 0.0001; 0.6333; 0.0001	0.3995; 0.1750; 0.0525; 0.7857	0.3902; 0.3088; 0.0003; 0.1421
18:1c9	PL; TAG; sn2; sn1/3							0.7197; 0.0606; 0.3845; 0.0178	0.0095; 0.4334; 0.1160; 0.0937	0.5346; 0.0689; 0.4930; 0.6576
18:2t9c11	PL; TAG; sn2; sn1/3	—	—	—	—	—	—	0.0001; 0.0001; —; 0.0001	0.5147; 0.1367; —; 0.7085	0.1567; 0.3201; —; 0.4597
18:26c9,12	PL; TAG; sn2; sn1/3							0.3099; 0.0262; 0.4768; 0.7545	0.8278; 0.3416; 0.3905; 0.6306	0.3844; 0.7200; 0.0079; 0.2144
18:33C9,12,15	PL; TAG; sn2; sn1/3							0.0002; 0.0001; 0.0330; 0.0005	0.6768; 0.1043; 0.3114; 0.4599	0.0984; 0.1182; 0.0021; 0.0153
CLAc9t11	PL; TAG; sn2; sn1/3							0.0001; 0.0001; 0.8656; 0.0050	0.4377; 0.0665; 0.9664; 0.7646	0.0475; 0.0022; 0.0163; 0.0088
CLAt10c12	PL; TAG; sn2; sn1/3							0.0002; 0.3563; 0.6931; 0.6213	0.1797; 0.1712; 0.7628; 0.6213	0.1041; 0.3232; 0.0174; 0.0155

eported in He et al. [12] fat content is on as is basis.
as in Paterson et al. [10], .