. 2019 Jul 1;33(1):157–165. doi: 10.5713/ajas.19.0205

Table 5.

Changes in fatty acid composition of beef from culled Hanwoo cows slaughtered at different ages before and after adry aging

Fatty acid	60 months old		80 months old		SEM

	Day 0	Day 40	Day 0	Day 40
C14:0	3.21	3.23	2.95	3.53	0.04
C16:0	28.2	29.9	28.1	30.9	0.17
C16:1n7	5.16	4.91	4.49	5.06	0.10
C18:0	12.0	12.8	12.5	13.4	0.08
C18:1n9	49.2^A	46.3^B	49.8^A	44.6^B	0.12
C18:2n6	1.66	2.13	1.51	1.99	0.04
C18:3n6	0.11^A	0.07^B	0.10^A	0.06^B	0.01
C18:3n3	0.37^A	0.26^B	0.37^A	0.27^B	0.02
C20:4n6	0.09^B	0.23^A	0.12^B	0.19^A	0.00
C20:5n3	0.04	0.08	0.05	0.06	0.00
SFA	43.5	46.0	43.6	47.8	0.14
MUFA	54.6^A	51.2^B	54.2^A	49.6^B	0.14
PUFA	2.06^B	2.71^A	2.06^B	2.51^A	0.04
n6	1.65	2.37	1.63	2.18	0.04
n3	0.41^A	0.34^B	0.42^A	0.33^B	0.02
n6/n3	3.54^B	7.37^A	3.88^B	6.83^A	0.29

Data are presented as mean value (standard error).

SEM, standard error of the mean; SFA, saturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids.

^A,B

Mean values are significantly different according to aging period (p<0.05).