Table 6.

Effects of age and sex on foetal neutral fatty-acid composition of liver. Mean values for neutral lipids in the liver at Gestational Day (GD) 70 and 90 in female (F) and male (M) foetuses.

	70		90		SEM a	p-Value
						Same Age F vs. M		Same Sex 70 vs. 90		Age × Sex
Fatty Acids (g/100 g Total Fatty Acids)	F	M	F	M		70	90	F	M
C14:0	1.82	1.61	2.93	3.24	0.128	0.391	0.378	<0.001	<0.001	<0.001
C16:0	19.02	19.67	23.14	23.25	0.336	0.345	0.945	<0.001	<0.001	<0.001
C16:1n-9	1.58	2.03	1.84	2.08	0.063	0.016	0.153	0.101	0.77	0.016
C16:1n-7	6.8	7.31	8.66	9.34	0.196	0.192	0.289	<0.001	<0.001	<0.001
C17:0	3.5	3.06	1.6	1.59	0.125	0.028	0.887	<0.001	<0.001	<0.001
C17:1	2.19	2.29	1.22	1.36	0.072	0.392	0.049	<0.001	<0.001	<0.001
C18:0	22.89	18.94	16.22	14.77	0.656	0.031	0.191	0.001	0.008	<0.001
C18:1n-9	18.94	19.8	17.67	20.68	0.376	0.365	0.04	0.249	0.383	0.059
C18:1n-7	5.6	6.42	7.16	6.87	0.125	0.011	0.26	<0.001	0.166	<0.001
C18:2n-6	2.29	2.39	3.24	3.14	0.085	0.533	0.92	<0.001	<0.001	<0.001
C18:3n-3	0.37	0.36	0.26	0.26	0.010	0.783	0.808	<0.001	<0.001	<0.001
C20:1n-9	0.26	0.41	0.24	0.25	0.045	0.361	0.998	0.6	0.319	0.451
C20:3n-9	0.29	0.29	0.37	0.32	0.009	0.841	0.216	0.003	0.126	0.004
C20:4n-6	12.16	12.99	12.98	10.61	0.373	0.344	0.169	0.488	0.018	0.084
C20:5n-3	0.1	0.11	0.08	0.26	0.033	0.811	0.3	0.411	0.172	0.221
C22:1n-9	0.47	0.37	0.28	0.24	0.022	0.087	0.689	0.007	0.011	0.001
C22:4n-6	0.43	0.43	0.66	0.54	0.023	0.938	0.169	0.011	0.012	0.001
C22:5n-3	0.84	1.12	0.95	0.78	0.049	0.069	0.17	0.334	0.025	0.038
C22:6n-3	0.43	0.4	0.51	0.4	0.018	0.519	0.194	0.152	0.918	0.164
SFA 1	47.23	43.28	43.89	42.85	0.467	0.009	0.029	0.009	0.726	0.002
MUFA 2	35.84	38.63	37.07	40.83	0.564	0.04	0.107	0.445	0.138	0.014
PUFA 3	16.93	18.09	19.04	16.32	0.469	0.314	0.215	0.157	0.164	0.234
UI 4	1	1.08	1.08	1.01	0.016	0.087	0.253	0.093	0.128	0.145
SUMN3 5	1.75	1.99	1.8	1.7	0.063	0.155	0.793	0.697	0.138	0.267
SUMN6 6	14.89	15.81	16.88	14.3	0.422	0.362	0.204	0.151	0.179	0.220
N6/N3	8.58	8.23	9.41	8.77	0.199	0.463	0.453	0.108	0.357	0.225
SUMC18:1/C18:0	1.12	1.47	1.57	1.93	0.063	0.011	0.103	0.003	0.006	<0.001
MUFA/SFA	0.77	0.91	0.85	0.95	0.019	0.007	0.067	0.096	0.321	0.002

^a MSE = Mean square error. ¹ SFA = Saturated fatty acids; Includes: C14:0, C16:0, C17:0 and C18:0. ² MUFA = Monounsaturated fatty acids; Includes: C16:1n-9, C16:1n-7, C17:1. C18:1n-9, C18:1n-7 and C22:1n-9. ³ PUFA = Polyunsaturated fatty acids: Includes: C18:2n-6, C18:3n-3, C20:3n-9, C20:3n-6, C20:4n-6, C20:5n-3, C22:4n-6 C22:5n-6, C22:5n-3 and C22:6n-3. ⁴ UI = Conversion index. ⁵ Includes: C18.2n-6, C20:4n-6 and C22:4n-6. ⁶ Includes: C18:3n-3, C20:5n-3 and C22:6n-3.