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

Table 1

Fatty acid composition (g/100 g total fatty acids) of the treatment diets (𝑛=3).

Fatty acid composition (g/100 g) of feed sample	Group
	Diet (1 : 1)	Diet (6 : 1)	Diet (30 : 1)	Diet (control)
C14 : 0 myristic acid	2.22	1.03	0.41	1.47
C16 : 0 palmitic acid	14.55	13.43	12.94	16.14
C16 : 1 palmitoleic acid	2.48	1.12	0.40	0.54
C17 : 0 heptadecanoic acid	0.72	1.03	0.53	1.02
C18 : 0 stearic acid	3.99	4.26	4.27	3.73
C18 : 1 oleic acid	25.51	27.08	26.65	26.42
C18 : 2 n-6 linoleic acid (LA)	34.88	43.08	47.70	40.75
C18 : 3 n-3 linolenic acid (ALA)	0.70	0.54	0.77	0.68
C20 : 0 arachidic acid	3.94	4.87	4.96	3.80
C20 : 4 n-6 arachidonic acid	3.83	1.52	0.32	1.95
C20 : 5 n-3 ecosapentaenoic acid	3.41	0.94	0.39	Nd
C22 : 6 n-3 docosahexaenoic acid	3.77	1.08	0.65	Nd
Total saturated fatty acid	25.42	24.60	23.78	26.15
Total unsaturated fatty acid	74.58	75.40	76.22	73.85
Total MUFA fatty acid	27.99	28.40	27.05	30.46
Total PUFA n-3	7.87	2.40	1.15	0.68
Total PUFA n-6	38.72	44.60	48.03	42.70
n-6 : n-3 ratio	4.92	18.20	44.80	64.29
Unsat : Sat	2.93	3.06	3.21	2.86
Poly : Sat ratio	1.83	1.92	2.07	1.67

∑SFA = sum of C10 : 0, C12 : 0, C14 : 0, C15 : 0, C16 : 0, C17 : 0, C18 : 0, C20 : 0.
∑MUFA = sum of C14 : 1, C16 : 1, C18 : 1.
∑PUFA n-6 = C18 : 2n-6, C20 : 4n-6.
∑PUFA n-3 = C18 : 3n-3, C22 : 6n-3.
n-6/n-3 = (C18 : 2n-6+ C20 : 4n-6)/(C18 : 3n-3+ C22 : 6n-3).