首页|Characterization of lactones in Wagyu (Japanese beef) and imported beef by combining solvent extraction and gas chromatography - mass spectrometry
Characterization of lactones in Wagyu (Japanese beef) and imported beef by combining solvent extraction and gas chromatography - mass spectrometry
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NSTL
Elsevier
The lactone content of Wagyu beef and imported beef in Japan was estimated using a combination of solvent extraction and gas chromatography-tandem quadrupole mass spectrometry. This method revealed that the total lactone content was higher in Wagyu than in the imported beef. The most abundant lactone in the Wagyu and imported beef was delta-hexadecalactone, followed by delta-tetradecalactone, delta-dodecalactone, and delta-decalactone. The total lactone content in the Wagyu and imported beef increased approximately twofold or threefold when the extracted fats from the beef were heated. In addition, the raw beef was heated under actual cooking conditions, such as boiling at 80 degrees C for 2 min and roasting at 180 degrees C for 30 s, and found with the increased amounts of lactones. The results showed that the cooking processes increased the lactone content in the Wagyu and imported beef, and the change in the lactone content was greater in the roasted beef than in the boiled beef. These results suggest that considerable amounts of lactone precursors remain in the raw beef.
NSTL
Elsevier
