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pp.42-51
The study was conducted to investigate the differences in the compounds responsible for volatile flavors in Hanwoo and imported fresh beef from Australia, United States and New Zealand. Different imported beef samples were prepared as Angus beef from Australia, United States and New Zealand and the cross beef from the United States. Significant differences (p<0.05) in hexanal, benzaldehyde, octanal, nonanal, nonenal, decanal, E-2-decenal, hexadecyloxirane, tetradecanal, 2,2-dideutero octadecanal, octadecanal, pentadecane, 2,5-dimethyl pyrazine, 4-methyl-2-propyl-furan, 2-hexylfuran, 2-butylfuran, 2- pentylfuran, 2-heptyl furan were observed between loin and eye of round from Hanwoo and imported beef (p<0.05). In loin muscles, various volatile compounds such as hexanal, heptanal, octanal, E-2-octenal, nonenal, E-2-decenal, E,E,2,4-decadienal, 2-undecenal, heptane, 2-butyl furan were found to be significantly higher in Hanwoo beef as compared to imported beef. However, in the round muscles of Hawnoo eye compounds that were observed to be significantly higher were pentanal, hexanal, heptanal, benzaldehyde, octanal, nonanal, E-2 -decenal, octadecanal, 2-furan methanol and 2-pentyl furan. Further study need to be determined if those volatile compounds can be used as a bio-marker to identify origins of beef.
