Effect of variety differences on the meat quality traits and flavour of donkey meat based on transcriptomic and metabolomic analysis.

ABSTRACT: To investigate whether variations in donkey meat quality stem from breed-specific regulation of muscle metabolism, we employed headspace solid-phase microextraction coupled with gas chromatography-mass spectrometry (HS-SPME-GC-MS), together with metabolomic and transcriptomic analyses to compare the longissimus dorsi muscles of Guangling donkeys and Jinnan donkeys. The results indicated that the longissimus dorsi muscle of the Guangling donkeys group was more tender. Heptanal and nonenal make important contribution to the flavour of Guangling donkey meat, and the odor activity value (OAV) of heptanal was significantly higher than that in Jinnan donkey meat. Aldehydes were found to have the greatest influence on the flavour of donkey meat. The 932 differentially expressed genes (DEGs) ident

SUBMITTER: Xiong J 

PROVIDER: S-EPMC12857184 | biostudies-literature | 2026 Jun

REPOSITORIES: biostudies-literature