Journal
METABOLITES
Volume 10, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/metabo10030095
Keywords
metabolome; beef; Wagyu; Holstein
Categories
Funding
- JSPS KAKENHI [18K05958]
- Grants-in-Aid for Scientific Research [18K05958] Funding Source: KAKEN
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Japanese Black cattle (Wagyu) beef is characterized by high intramuscular fat content and has a characteristic sweet taste. However, the chemical components for characterizing the sweet taste of Wagyu beef have been unclear. In this experiment, we conducted a metabolomic analysis of the longissimus muscle (sirloin) in Wagyu and Holstein cattle to determine the key components associated with beef taste using gas chromatography-mass spectrometry (GC-MS). Holstein sirloin beef was characterized by the abundance of components such as glutamine, ribose-5-phosphate, uric acid, inosine monophosphate, 5-oxoproline, and glycine. In contrast, Wagyu sirloin beef was characterized by the abundance of sugar components (maltose and xylitol). Dietary fat is known to increase the intensity of sweet taste. These results suggest that the sweet taste of Wagyu beef is due to the synergetic effects of higher sugar components and intramuscular fat.
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