Table 2.

Mean concentrations of saturated and monounsaturated fatty acids in beef by diet, breed, and diet × breed interaction (mg per 100 g meat) ¹.

Fatty Acid	Diet (D)		Breed (B)		Significance of ANOVA 4
	GRASS	GRAIN	RA 2	AK 3	D	B	D × B
∑ SFA 5	892.85 ± 514.91	1118.49 ± 521.82	856.66 ± 518.08	1154.67 ± 518.08	NS	NS	NS
C10:0	1.54 ± 0.27	1.54 ± 0.30	1.40 ± 0.27	1.68 ± 0.27	NS	NS	NS
C12:0	1.23 ± 0.67	1.32 ± 0.68	0.97 ± 0.67	1.58 ± 0.67	NS	*	NS
C13:0	0.13 ± 0.06	0.10 ± 0.06	0.10 ± 0.06	0.12 ± 0.06	NS	NS	NS
C14:0	40.44 ± 25.03	67.50 ± 25.60	41.06 ± 25.29	66.87 ± 25.29	NS	*	NS
C15:0	9.92 ± 5.18	4.15 ± 5.27	6.04 ± 5.22	8.03 ± 5.22	*	NS	NS
C16:0	507.08 ± 309.05	767.23 ± 312.85	540.29 ± 310.79	734.02 ± 310.79	NS	NS	NS
C17:0	26.57 ± 14.31	12.17 ± 14.56	16.88 ± 14.33	21.85 ± 14.33	NS	NS	NS
C18:0	302.69 ± 158.95	263.28 ± 161.50	248.01 ± 160.12	317.97 ± 160.12	NS	NS	NS
C19:0	1.32 ± 0.83	0.50 ± 0.84	0.80 ± 0.83	1.01 ± 0.83	*	NS	NS
C20:0	1.27 ± 0.68	0.77 ± 0.70	0.83 ± 0.69	1.20 ± 0.69	NS	NS	NS
C22:0	0.68 ± 0.14	0.75 ± 0.14	0.68 ± 0.14	0.75 ± 0.14	NS	NS	NS
∑ BCFA 6	34.37 ± 15.25	18.00 ± 15.60	21.69 ± 15.41	30.68 ± 15.41	NS	NS	NS
C14:0 iso	0.76 ± 0.38	0.17 ± 0.39	0.38 ± 0.39	0.56 ± 0.38	*	NS	NS
C15:0 iso	3.65 ± 1.94	1.20 ± 1.98	2.06 ± 1.96	2.79 ± 1.96	*	NS	NS
C15:0 anteiso	2.60 ± 1.32	0.63 ± 1.35	1.38 ± 1.33	1.86 ± 1.33	*	NS	NS
C16:0 iso	2.79 ± 1.88	2.39 ± 1.90	2.07 ± 1.89	3.11 ± 1.89	NS	NS	NS
C17:0 iso	10.75 ± 3.56	3.84 ± 3.68	6.27 ± 3.61	8.32 ± 3.61	*	NS	NS
C17:0 anteiso	11.91 ± 4.88	7.69 ± 5.03	7.95 ± 4.95	11.65 ± 4.95	NS	NS	NS
C18:0 iso	1.89 ± 1.31	2.11 ± 1.33	1.60 ± 1.32	2.40 ± 1.32	NS	NS	NS
∑ MUFA 7	893.35 ± 459.75	1109.48 ± 468.21	833.75 ± 463.63	1169.07 ± 463.63	NS	NS	NS
∑ cMUFA 8	819.76 ± 434.62	1093.68 ± 442.53	792.82 ± 438.25	1160.62 ± 438.25	NS	NS	NS
C14:1 9c	7.85 ± 7.10	20.80 ± 7.24	11.16 ± 7.16	17.49 ± 7.16	**	NS	NS
C16:1 9c	75.85 ± 28.21	152.90 ± 29.77	92.42 ± 28.94	136.33 ± 28.94	**	NS	NS
C16:1 10c	3.50 ± 0.60	5.81 ± 0.70	3.86 ± 0.65	5.45 ± 0.65	*	NS	NS
C16:1 11c	1.68 ± 0.61	4.32 ± 0.66	2.43 ± 0.63	3.57 ± 0.63	**	NS	NS
C17:1 9c	11.13 ± 5.57	10.59 ± 5.67	9.42 ± 5.61	12.30 ± 5.61	NS	NS	NS
C18:1 9c	682.04 ± 379.00	849.55 ± 385.08	637.07 ± 381.78	849.51 ± 381.78	NS	NS	NS
C18:1 11c	22.88 ± 10.87	30.89 ± 11.08	22.50 ± 10.96	31.27 ± 10.96	NS	NS	NS
C18:1 12c	3.41 ± 1.34	4.09 ± 1.41	3.31 ± 1.37	4.20 ± 1.37	NS	NS	NS
C18:1 13c	3.99 ± 1.42	6.16 ± 1.49	4.00 ± 1.45	6.15 ± 1.45	NS	NS	NS
C18:1 14c	0.67 ± 0.08	0.29 ± 0.09	0.44 ± 0.08	0.52 ± 0.08	*	NS	NS
C18:1 15c	1.38 ± 0.54	0.67 ± 0.56	0.81 ± 0.55	1.24 ± 0.55	*	NS	NS
C20:1 9c	1.86 ± 0.33	2.17 ± 0.38	1.74 ± 0.35	2.29 ± 0.35	NS	NS	NS
C20:1 11c	3.51 ± 0.66	6.08 ± 0.77	3.97 ± 0.71	5.61 ± 0.71	*	NS	NS
∑ tMUFA 9	73.59 ± 25.39	17.05 ± 26.44	41.56 ± 25.59	49.08 ± 25.59	*	NS	NS
C16:1 9t	3.49 ± 0.18	1.30 ± 0.21	2.30 ± 0.20	2.48 ± 0.20	***	NS	NS
C16:1 10-12t	9.01 ± 2.97	4.83 ± 3.08	6.07 ± 3.02	7.78 ± 3.02	NS	NS	NS
C18:1 6-8t	1.79 ± 0.40	0.96 ± 0.44	1.25 ± 0.42	1.50 ± 0.42	NS	NS	NS
C18:1 9t	2.33 ± 0.55	2.04 ± 0.59	1.96 ± 0.57	2.42 ± 0.57	NS	NS	NS
C18:1 10t	2.24 ± 0.65	1.48 ± 0.69	1.68 ± 0.66	2.04 ± 0.66	NS	NS	NS
C18:1 11t	34.52 ± 13.35	1.10 ± 13.99	16.43 ± 13.34	19.19 ± 13.34	*	NS	NS
C18:1 12t	4.47 ± 2.28	2.09 ± 2.33	2.74 ± 2.30	3.82 ± 2.30	NS	NS	NS
C18:1 13,14t	8.57 ± 2.73	1.45 ± 2.87	4.84 ± 2.79	5.19 ± 2.79	**	NS	NS
C18:1 15t	2.53 ± 0.46	0.91 ± 0.52	1.72 ± 0.49	1.72 ± 0.49	*	NS	NS
C18:1 16t	4.63 ± 1.99	1.14 ± 2.07	2.69 ± 2.02	3.08 ± 2.02	*	NS	NS
∑ FA 10	1962.72 ± 1033.46	2376.72 ± 1049.38	1840.80 ± 1040.75	2498.64 ± 1040.75	NS	NS	NS

¹ Values reported as means ± SEM (standard error of mean). ² RA; Red Angus, ³ AK; Red Angus x Akaushi, ⁴ NS; not significant; p > 0.05; * p < 0.05; ** p < 0.01; *** p < 0.001. ⁵ ∑ SFA = all saturated FAs (10:0, 12:0, 13:0, 14:0, 15:0, 16:0, 17:0, 18:0, 19:0, 20:0, 22:0); ⁶ ∑ BCFA = sum of all branched chain FAs (iso14:0, iso15:0, anteiso15:0, iso16:0, iso17:0, anteiso17:0, iso18:0); ⁷ ∑ MUFA = all monounsaturated FAs (14:1, 16:1, 17:1, 18:1, 20:1); ⁸ ∑ cMUFA = 14:1, 17:1, sum of c16:1, c18:1, and c20:1; ⁹ ∑ tMUFA = sum of t16:1 and t18:1; ¹⁰ ∑ FA = sum of all FAs.