Effect of conjugated linoleic acids from beef or industrial hydrogenation on growth and adipose tissue characteristics of rats

Table 5 Effects of synthetic CLA or high CLA beef on fatty acid composition of retroperitoneal fat of the rats

	Treatment diets
	CON	SCLA	CONM	CLAM
Lipid (% tissue)	81.33 ± 2.32	80.15 ± 3.80	84.54 ± 2.43	87.68 ± 5.24
Fatty acid concentration (mg/100 mg of detected fatty acids)
C14:0*	1.13 ± 0.096	1.06 ± 0.065	1.67 ± 0.089	1.99 ± 0.103
C14:1 c	0.01 ± 0.004^A	0.01 ± 0.005^A	0.46 ± 0.016^B	0.44 ± 0.015^B
C16:0	22.92 ± 0.83	25.37 ± 0.51	23.88 ± 0.48	25.28 ± 0.71
C16:1 c	4.79 ± 0.22^B	2.88 ± 0.14^A	6.78 ± 0.28^C	6.31 ± 0.32^C
C18:0	3.74 ± 0.13^A	3.47 ± 0.30^A	4.63 ± 0.33^B	6.00 ± 0.26^C
C18:1 t11	0.00 ± 0.73	0.65 ± 0.63	1.01 ± 0.63	2.14 ± 0.83
C18:1 c9	28.86 ± 0.66^A	25.10 ± 0.77^A	52.48 ± 0.91^B	48.31 ± 1.54^B
C18:2 c9, c12	30.49 ± 2.46^C	26.60 ± 1.40^B	2.58 ± 0.36^A	3.50 ± 0.39^A
C18:3	3.0 ± 0.07^C	2.33 ± 0.03^B	0.17 ± 0.01^A	0.14 ± 0.01^A
CLA c9, t11	0.01 ± 0.002^A	4.50 ± 0.408^C	0.38 ± 0.011^B	0.60 ± 0.041^B
CLA t10, c12	0.10 ± 0.003^A	3.16 ± 0.081^B	0.23 ± 0.006^A	0.19 ± 0.007^A
C20:4	0.41 ± 0.17	0.21 ± 0.014	0.28 ± 0.003	0.21 ± 0.010
C22:5	0.18 ± 0.007	0.39 ± 0.004	0.49 ± 0.000	0.42 ± 0.000
C22:6	0.78 ± 0.011	0.60 ± 0.007	0.81 ± 0.000	0.86 ± 0.000
UNS/Total FA	0.72 ± 0.02^B	0.69 ± 0.01^AB	0.68 ± 0.01^AB	0.65 ± 0.01^A
UNS/SAT	2.60 ± 0.19^B	2.27 ± 0.16^AB	2.18 ± 0.06^AB	1.91 ± 0.09^A
C18:2/C18:3	9.99 ± 0.58^A	14.43 ± 0.27^AB	20.36 ± 3.15^BC	25.66 ± 2.42^C

A-C: Means (± standard error) in a row denoted by a different letter differ (p < 0.05); n = 7
*denoted as Carbon chain length: number of unsaturated bonds in trans (t) or cis (c) position and location
CON – Control diet, SCLA – diet with 1.69% synthetic CLA replacing an equivalent amount of soybean oil, CONM – Diet containing control beef (see table 1), CLAM – diet containing high CLA beef (see table 1).

ISSN: 1743-7075