Xichuan black-boned chicken is a premium Chinese local breed in Xichuan County, Henan Province, China. However, the flavor characteristics of Xichuan black-boned chicken meat have not been systematically studied. Lipidomics and flavoromics approaches were used to analyze DLMs (differential lipid molecules) and DFCs (differential flavor compounds) in breast muscle (BM, n = 6) and leg muscle (LM, n = 6) of black-boned chicken, to reveal molecular mechanisms affecting meat quality in chicken. Lipidomics analysis reveals that 354 differential lipids are the differential abundance between the two groups, of which 33 are up-regulated and 321 are down-regulated in the BM group. These differential lipids were mostly enriched in glycerolipid metabolism, glycerophospholipid metabolism, and metabolic pathways. Flavoromics results demonstrate that there are 70 differential flavors between the two groups. Of these flavors, 59 are down-regulated and 11 are up-regulated in the BM group. These differential flavor compounds are mainly enriched in insect hormone biosynthesis and terpenoid backbone biosynthesis. Integrated lipidomics and flavoromics analysis shows that TG-type lipids and dodecanenitrile flavors may be the major related pairs. These findings not only enhance the understanding of the mechanism of chicken meat flavor formation but also provide novel perspectives for the improvement of meat quality.
Zhou et al. (Thu,) studied this question.
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