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Characterization of Meat Metabolites and Lipids in Shanghai Local Pig Breeds Revealed by LC-MS-Based Method

文献类型： 外文期刊

作者： Gao, Jun 1 ; Sun, Lingwei 1 ; Tu, Weilong 1 ; Cao, Mengqian 3 ; Zhang, Shushan 1 ; Xu, Jiehuan 1 ; He, Mengqian 1 ; Zhang, Defu 1 ; Dai, Jianjun 1 ; Wu, Xiao 6 ; Wu, Caifeng 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Inst Anim Husb & Vet Sci, Shanghai 201106, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Livestock & Poultry Resources Pig Evaluat, Shanghai 201106, Peoples R China

3.Shanghai Municipal Key Lab Agrigenet & Breeding, Shanghai 201106, Peoples R China

4.Shanghai Engn Res Ctr Breeding Pig, Shanghai 201106, Peoples R China

5.Shanghai Ocean Univ, Coll Fisheries & Life Sci, Shanghai 201306, Peoples R China

6.Shanghai Acad Agr Sci, Biotechnol Res Inst, Shanghai 201106, Peoples R China

关键词： metabolomics; lipidomics; liquid chromatography-mass spectrometry; longissimus dorsi muscle; gluteus muscle

期刊名称：FOODS （ 影响因子：4.7； 五年影响因子：5.1 ）

ISSN：

年卷期： 2024 年 13 卷 15 期

页码：

收录情况： SCI

摘要： The meat of local livestock breeds often has unique qualities and flavors. In this study, three Shanghai native pig breeds (MSZ, SWT, and SHB) exhibited better meat quality traits than globalized commercial pig breeds (DLY). Subsequently, metabolomic and lipidomic differences in the longissimus dorsi (L) and gluteus (T) muscles of the Shanghai native pig breeds and DLY pig breed were compared using liquid chromatography-mass spectrometry (LC-MS). The results demonstrated that the metabolites mainly consisted of (28.16%) lipids and lipid-like molecules, and (25.87%) organic acids and their derivatives were the two most dominant groups. Hundreds of differential expression metabolites were identified in every compared group, respectively. One-way ANOVA was applied to test the significance between multiple groups. Among the 20 most abundant differential metabolites, L-carnitine was significantly different in the muscles of the four pig breeds (p-value = 7.322 x 10(-11)). It was significantly higher in the L and T muscles of the two indigenous black pig breeds (MSZ and SWT) than in the DLY pigs (p-value < 0.001). Similarly, lipidomic analysis revealed the PA (18:0/18:2) was significantly more abundant in the muscle of these two black breeds than that in the DLY breed (p-value < 0.001). These specific metabolites and lipids might influence the meat quality and taste properties and lead to customer preferences. Therefore, this study provided insights into the characterization of meat metabolites and lipids in Shanghai native pig breeds.

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