. 2018 Jul 26;32(1):126–136. doi: 10.5713/ajas.18.0065

Table 3.

Volatile compounds (%) in the longissimus thoracis from Korean cattle (KC), Holstein (HO), and Angus (AN) steers (n = 12)

Volatile compound	KC	HO	AN	SEM	p-value
Aldehyde
Acetaldehyde	60.0^a	49.1^b	31.5^c	2.43	0.001
Propanal	0.29^b	0.53^b	2.48^a	0.19	0.001
Butanal	0.06^b	1.17^a	0.33^ab	0.22	0.1
2-Methyl butanal	2.79^a	2.76^a	1.26^b	0.13	0.001
3-Methyl butanal	1.25^a	0.98^b	0.54^c	0.06	0.001
Pentanal	0.81^b	1.56^b	8.50^a	0.66	0.001
Hexanal	1.76^b	3.81^b	25.9^a	2.07	0.001
Heptanal	0.07^b	0.14^b	0.92^a	0.08	0.001
Benzaldehyde	0.24^a	0.29^a	0.17^b	0.01	0.004
Octanal	0.05^b	0.09^b	0.58^a	0.04	0.001
Nonanal	0.02	0.01	0.01	0.00	0.79
Hydrocarbon
Methanethiol	8.89^b	12.8^a	3.98^c	0.75	0.001
Butane	0.94^b	1.08^a	1.12^a	0.03	0.02
Carbon disulfide	1.77	2.01	0.96	0.20	0.13
2-Butene	0.29^b	0.36^a	0.30^b	0.01	0.02
n-Pentane	0.73^b	1.70^b	6.47^a	0.49	0.001
Hexane	0.41^b	0.83^a	0.65^ab	0.06	0.01
Heptane	0.05^b	0.06^b	0.53^a	0.04	0.001
Octane	0.45	1.56	1.30	0.48	0.63
Ethylacetate	0.32^b	1.27^a	0.62^ab	0.17	0.1
Ketone
2-Propanone	14.8^a	13.9^a	7.28^b	0.68	0.001
2-Butanone	0.96^b	1.49^a	0.38^c	0.11	0.001
2,3-Butanedione	0.08^a	0.04^b	0.03^b	0.00	0.001
3-Hydroxy-2-butanone	0.89^a	0.14^b	0.17^b	0.08	0.001
2-Heptanone	0.04^b	0.05^b	0.24^a	0.02	0.001
2,3-Octanedione	0.05^b	0.14^b	1.01^a	0.09	0.001
Pyrazine
Dimethyl sulfide	0.48	0.53	0.65	0.05	0.29
Alcohol
Ethanol	1.07	0.88	0.45	0.18	0.35
Isopropyl alcohol	0.26^b	0.49^a	0.24^b	0.03	0.001
1-Pentanol	0.06^b	0.08^b	0.72^a	0.06	0.001
Terpene
1,3,5-Cycloheptatriene	0.18^b	0.22^b	0.66^a	0.05	0.001

SEM, standard error of the mean.

^a–c

Means with different letters within the same row differ (p<0.05).