Table 10.

Mean and standard error of the mean of individual fatty acids and total of saturated fat (SFA), unsaturated fat (MUFA, PUFA), trans fat, and CLA in separable lean tissue ¹ from raw U.S. beef offal items, as a percentage of total fatty acids (g/100 g fat).

Fatty Acid Name/Group	Heart	Liver	Kidney	Tongue	Tripe	Oxtail	Bone Marrow	Testicles	Blood
Capric acid (C10:0)	0.01 ± 0.01	<0.01 ± <0.01	0	0.08 ± 0.02	0.02 ± <0.01	0.06 ± 0.01	0.01 ± <0.01	0.06 ± 0.01	0
Lauric acid (C12:0)	0	0	0	0.03 ± 0.01	0	0.07 ± 0.01	<0.01 ± <0.01	0.07 ± 0.01	0
Myristic acid (14:0)	0.29 ± 0.12	0.37 ± 0.02	0.38 ± 0.01	2.49 ± 0.07	2.74 ± 0.10	2.40 ± 0.04	3.36 ± 0.21	1.50 ± 0.03	1.33 ± 0.07
Palmitic acid (16:0)	15.84 ± 0.42	11.38 ± 1.25	16.67 ± 0.60	25.81 ± 0.27	26.33 ± 0.21	23.65 ± 0.51	26.12 ± 0.73	33.79 ± 0.16	15.57 ± 0.22
Margaric acid (17:0)	0.91 ± 0.05	1.06 ± 0.01	0.57 ± 0.01	0.98 ± 0.02	2.30 ± 0.04	1.17 ± 0.03	0.63 ± 0.08	0.64 ± 0.06	0.31 ± 0.01
Stearic acid (18:0)	19.62 ± 0.67	36.61 ± 0.66	16.83 ± 0.37	13.25 ± 0.09	21.8 ± 0.02	15.09 ± 0.03	13.57 ± 0.78	11.33 ± 0.13	21.97 ± 1.60
Arachidic acid (20:0)	0.20 ± 0.01	0.06 ± 0.04	0.39 ± 0.01	0.47 ± 0.11	0.21 ± 0.01	0.14 ± 0.02	0.15 ± 0.04	0.16 ± 0.02	0.10 ± 0.01
Lignoceric acid (24:0)	0.08 ± 0.07	0.22 ± 0.01	0.14 ± 0.01	0.02 ± 0.00	0	0.21 ± 0.03	0	0	0
Total SFA	36.95	49.71	34.98	43.07	53.37	42.79	43.85	47.55	39.28
Lauroleic acid (12:1 n3)	<0.01 ± <0.01	0	0	0.03 ± 0.01	0.01 ± 0.01	0.06 ± 0.01	0	0	0
C14:1	0.11 ± 0.05	0.13 ± 0.02	0.23 ± 0.01	1.09 ± 0.02	0.44 ± 0.01	0.46 ± 0.03	0.30 ± 0.02	0.45 ± 0.02	0.17 ± 0.02
Palmitoleic acid (16:1 n7)	0.49 ± 0.05	0.26 ± 0.07	0.16 ± 0.02	0.11 ± 0.01	0.05 ± 0.01	3.10 ± 0.13	1.69 ± 0.04	1.78 ± 0.01	1.43 ± 0.07
C17:1	0.04 ± 0.03	<0.01 ± <0.01	0.15 ± 0.02	0.40 ± 0.03	0.11 ± 0.01	0.98 ± 0.03	0.72 ± 0.04	0.09 ± <0.01	0.22 ± 0.01
Oleic acid (C18:1 c9)	16.21 ± 0.78	14.74 ± 0.14	19.83 ± 2.07	38.70 ± 0.50	37.86 ± 0.14	38.26 ± 0.58	33.24 ± 0.12	20.86 ± 0.28	29.19 ± 0.48
C18:1c11	2.16 ± 0.06	1.92 ± 0.04	3.42 ± 0.19	2.89 ± 0.03	1.72 ± 0.01	2.03 ± 0.04	2.28 ± 0.28	2.63 ± 0.05	1.43 ± 0.03
Eicosenoic acid (C20:1)	0.27 ± 0.03	0.17 ± 0.04	0.34 ± 0.02	0.24 ± <0.01	0.01 ± <0.01	<0.01 ± <0.01	0.17 ± 0.01	0.15 ± 0.01	0
Total MUFA	19.29	17.23	24.13	43.46	40.14	44.9	38.4	25.96	32.44
Linolelaidic acid (C18:2)	26.83 ± 2.22	17.26 ± 0.39	23.10 ± 0.84	7.90 ± 0.06	4.61 ± 0.02	6.03 ± 0.19	12.76 ± 0.08	7.20 ± 0.10	19.85 ± 0.98
Linolenic acid (C18:3)	0.61 ± 0.03	1.24 ± 0.07	0.71 ± 0.07	0.39 ± 0.02	0.23 ± 0.02	0.12 ± 0.03	0.58 ± 0.02	0.45 ± 0.03	2.47 ± 0.07
C20:2	0.12 ± 0.03	0.32 ± 0.03	0.38 ± 0.02	0.19 ± 0.10	0.12 ± 0.01	0.01 ± 0.01	0.60 ± 0.25	0.54 ± 0.04	0.31 ± 0.03
Arachidonic acid (C20:4)	13.66 ± 0.37	10.91 ± 0.20	14.13 ± 0.50	2.37 ± 0.05	0.23 ± <0.01	1.40 ± 0.02	2.01 ± 0.08	14.41 ± 0.13	2.48 ± 0.14
C20:5	0.37 ± 0.04	0.41 ± 0.04	0.43 ± 0.03	0.12 ± 0.02	0	0.05 ± <0.01	0.28 ± 0.02	1.06 ± 0.02	0.54 ± 0.03
C22:6	0.13 ± 0.04	0.16 ± 0.04	0.32 ± 0.03	0.10 ± 0.00	0	0.01 ± 0.01	<0.01 ± <0.01	1.52 ± 0.08	0
Total PUFA	41.72	30.3	39.07	11.07	5.19	7.62	16.24	25.18	25.65
C18:1t6-8	0.16 ± 0.02	0.12 ± 0.01	0.13 ± 0.01	0.18 ± 0.02	0.19 ± 0.01	0.38 ± 0.03	0.12 ± 0.01	0.16 ± 0.01	0.18 ± 0.03
Elaidic acid (C18:1 t9)	0.13 ± 0.02	0.11 ± 0.02	0.17 ± 0.02	0.28 ± 0.02	0.26 ± 0.02	0.42 ± 0.04	0.11 ± <0.01	0.07 ± 0.01	0.07 ± 0.01
C18:1t10	0.17 ± 0.04	0.17 ± 0.02	0.10 ± 0.01	0.24 ± 0.01	0.14 ± <0.01	2.73 ± 0.06	0.15 ± 0.01	0.17 ± 0.02	0.30 ± 0.03
Vaccenic acid (C18:1 t11)	0.92 ± 0.11	1.59 ± 0.04	0.67 ± 0.09	0.75 ± 0.10	0.20 ± 0.03	0.73 ± 0.06	0.58 ± 0.05	0.43 ± 0.02	0.89 ± 0.06
Total trans	1.38	1.99	1.07	1.45	0.79	4.26	0.96	0.83	1.44
C18:2 c9 t11	0.44 ± 0.08	0.55 ± 0.01	0.40 ± 0.05	0.34 ± 0.06	0.23 ± <0.01	0.30 ± 0.03	0.29 ± 0.01	0.27 ± 0.13	0.86 ± 0.06
C18:2 t10 c12	0.08 ± 0.03	0.04 ± 0.03	0.16 ± 0.01	0.30 ± 0.01	0.02 ± <0.01	0.03 ± 0.01	0.10 ± 0.01	0	0.04 ± 0.01
Total CLA	0.52	0.59	0.56	0.64	0.25	0.33	0.39	0.27	0.9
Unknown	0.16 ± 0.02	0.19 ± <0.01	0.17 ± 0.03	0.25 ± 0.05	0.17 ± 0.02	0.10 ± 0.01	0.18 ± 0.04	0.21 ± 0.01	0.29 ± 0.01

¹ Separable lean tissue includes all lean muscle and organ tissue.