Dietary (n-6 : n-3) Fatty Acids Alter Plasma and Tissue Fatty Acid Composition in Pregnant Sprague Dawley Rats

Table 2

Plasma fatty acid composition (mg/100 mL; Mean ± SE; 𝑛=7) of rats from different treatment groups after 10 weeks of feeding.

Fatty acid composition(g/100 mL) of plasma	Group
	Diet (1 : 1)	Diet (6 : 1)	Diet (30 : 1)	Diet (control)
C12 : 0 lauric acid	2.25 ± 0.28^a	1.02 ± 0.16^b	1.84 ± 0.09^a	0.56 ± 0.19^b
C14 : 0 myristic acid	1.31 ± 0.33^a	1.19 ± 0.41^a	Nd	0.53 ± 0.11^b
C15 : 0 pentadecanoic acid	1.66 ± 0.30^a	1.67 ± 0.28^a	1.12 ± 0.19^a	0.41 ± 0.05^b
C16 : 0 palmitic acid	15.53 ± 0.80^b	12.04 ± 0.83^b	13.75 ± 1.07^b	21.67 ± 2.11^a
C16 : 1 palmitoleic acid	0.50 ± 0.05^b	0.94 ± 0.15^ab	0.72 ± 0.14^ab	1.27 ± 0.22^a
C17 : 0 heptadecanoic acid	14.55±0.36^ab	14.76 ± 0.70^a	13.83±0.89^ab	12.20 ± 0.90^b
C18 : 0 stearic acid	10.34 ± 0.90^b	8.93 ± 1.30^b	9.88 ± 1.42^b	14.93 ± 1.23^a
C18 : 1 oleic acid	0.66±0.05^ns	0.77±0.10^ns	1.06±0.23^ns	1.11±0.24^ns
C18 : 2 n-6 linoleic acid	24.85±0.95^ns	23.06±1.45^ns	24.93±2.48^ns	24.21±1.02^ns
C20 : 0 arachidic acid	0.70±0.04^ns	0.77±0.11^ns	0.75±0.10^ns	Nd
C20 : 4 n-6 arachidonic acid	13.94 ± 1.32^b	22.62±1.66^a	23.43±2.14^a	19.58±2.42^ab
C20 : 5 n-3 eicosapentaenoic acid	3.82 ± 0.72^a	3.05 ± 0.34^ab	1.73±0.58^b	Nd
C22 : 5 n-3 docosapentaenoic acid	0.90 ± 0.26^a	0.59 ± 0.24^b	0.32±0.14^b	Nd
C22 : 6 n-3 docosahexaenoic acid	6.49 ± 0.47^a	4.22 ± 0.57^b	4.33 ± 0.64^b	2.09 ± 0.15^c
Total saturated	37.32 ± 1.00^a	33.16 ± 0.42^b	33.19±0.77^b	36.48 ± 1.40^a
Total unsaturated	62.68 ± 1.00^b	66.84± 0.42^a	66.81 ± 0.77^a	63.52 ± 1.40^b
Total monoenes	12.69 ± 0.80^b	12.50 ± 1.51^b	12.88 ± 1.40^b	17.65 ± 1.14^a
Total PUFA n-3	11.21 ± 0.49^a	7.85 ± 0.54^b	6.38 ± 1.00^b	2.09±0.15^c
Total PUFA n-6	38.79±0.42^bc	46.49 ± 1.54^a	47.55 ± 1.17^a	43.79 ± 1.51^b
n-6 : n-3 ratio	3.49 ± 0.17^c	6.05 ± 0.54^bc	8.79 ± 2.16^b	21.36 ± 1.44^a
Unsat : Sat	1.69±0.07^ns	2.02±0.04^ns	2.02±0.07^ns	1.76±0.10^ns
Poly : Sat ratio	1.34 ± 0.05^b	1.64 ± 0.06^a	1.63 ± 0.09^a	1.27 ± 0.08^b

Values with different superscripts within rows are significantly different at 𝑃<0.05; ^nsno significant difference; ND: not detected.