Table 4.

The percentages of polyunsaturated fatty acids (PUFA) in cow's milk, baby formula, and human milk.

Fatty acid	Cow's milk	Baby formula	Human milk	References
18:2 n-6	1.02 ± 0.01	14.03 ± 1.00	16.29 ± 3.63	Aleksandra et al. (2009)
18:3 n-6	ND	ND	0.12 ± 0.10	Aleksandra et al. (2009)
18:3 n-3	2.92 ± 0.12	0.80 ± 0.20	0.49 ± 0.23	Aleksandra et al. (2009)
20:2 n-6	ND	ND	0.56 ± 0.13	Aleksandra et al. (2009)
20:3 n-6	ND	ND	0.57 ± 0.18	Aleksandra et al. (2009)
20:4 n-6	ND	ND	0.51 ± 0.11	Aleksandra et al. (2009)
20:5 n-6	ND	ND	0.10 ± 0.05	Aleksandra et al. (2009)
22:4 n-6	ND	ND	0.19 ± 0.13	Aleksandra et al. (2009)
22:5 n-3	ND	ND	0.09 ± 0.04	Aleksandra et al. (2009)
22:6 n-3	ND	ND	0.19 ± 0.07	Aleksandra et al. (2009)
Total PUFA	3.60 ± 0.57	15.00 ± 2.00	19.10 ± 3.91	Aleksandra et al. (2009)
n-6	1.02 ± 0.10	14.06 ± 1.00	18.24 ± 3.80	Aleksandra et al. (2009)
n-3	2.92 ± 0.12	0.80 ± 0.10	0.86 ± 0.29	Aleksandra et al. (2009)
n-6/n-3	0.35 ± 0.02	17.42 ± 0.80	22.65 ± 6.16	Aleksandra et al. (2009)