Table 4. Effect of L-arginine on fatty acid composition in longissimus muscle.

Fatty acid	Control	1% arginine
C14:0	1.71 ± 0.19	1.65 ± 0.15
C15:0	0.03 ± 0.008	0.03± 0.008
C16:0	24.50 ± 0.90	23.12 ± 0.78
C16:1	4.25 ± 0.46	4.32 ± 0.71
C17:0	0.19 ± 0.04	0.17 ± 0.04
C17:1	0.25 ± 0.05	0.23 ± 0.04
C18:0	14.56 ± 0.49	15.46 ± 0.96
C19:0	0.06 ± 0.01	0.05 ± 0.01
C18:1	44.97 ± 0.78	44.64 ± 1.77
C18:2	7.08 ± 0.37	7.76 ± 0.11
C18:3	0.27 ± 0.04	0.31 ± 0.02
C20:0	0.24 ± 0.04	0.27 ± 0.04
C20:1	0.86 ± 0.08	1.11 ± 0.10**
C20:2	0.36 ± 0.06	0.33 ± 0.03
C20:3	0.10 ± 0.02	0.09 ± 0.02
C20:4	0.40 ± 0.03	0.39± 0.05
C22:6	0.15 ± 0.06	0.39± 0.06*
SFA	41.23± 1.64	40.75 ± 1.98
MUFA	50.33 ± 1.37	50.30 ± 2.62
PUFA	8.36 ± 0.58	9.27 ± 0.30*

Data are means of fatty acid percentages ± SEM, n = 24.

Within a row, means with * indicate a significant difference (P < 0.05), means with ** indicate a significant difference (P < 0.01).

SFA, saturated fatty acids; MUFA, monounsaturated fatty acids; PUFA, polyunsaturated fatty acids.