{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["74(1)"],"submitter":["Zhao Q"],"pubmed_abstract":["Milk fats have complex profiles of triacylglycerols (TG) with a significant gap in understanding the species-specific compositions of regioisomers. This study comprehensively analyzed TG regioisomers in milk of eight mammalian species using ultra-high performance liquid chromatography-electrospray ionization tandem mass spectrometry and a calculation algorithm. Distinct TG regioisomer profiles were observed across species, shaped by the phylogenetic status and the structure of digestive tracts (ruminants, pseudo-ruminants, and non-ruminants). The ruminants (cow, goat, and sheep) exhibited highly similar milk TG regioisomeric profiles, while the pseudo-ruminant (camel) showed similar profiles to those of the non-ruminants (dog, horse, human, and pig). The non-ruminants showed a <i>sn</i>-2 "],"journal":["Journal of agricultural and food chemistry"],"pagination":["1410-1421"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12814545"],"repository":["biostudies-literature"],"pubmed_title":["Tandem Mass Spectrometric Analysis and Cross-Species Comparison of Triacylglycerol Regioisomers in Mammalian Milk."],"pmcid":["PMC12814545"],"pubmed_authors":["Sazzad MAA","Zhao Q","Kalpio M","Fabritius M","Yang B"],"additional_accession":[]},"is_claimable":false,"name":"Tandem Mass Spectrometric Analysis and Cross-Species Comparison of Triacylglycerol Regioisomers in Mammalian Milk.","description":"Milk fats have complex profiles of triacylglycerols (TG) with a significant gap in understanding the species-specific compositions of regioisomers. This study comprehensively analyzed TG regioisomers in milk of eight mammalian species using ultra-high performance liquid chromatography-electrospray ionization tandem mass spectrometry and a calculation algorithm. Distinct TG regioisomer profiles were observed across species, shaped by the phylogenetic status and the structure of digestive tracts (ruminants, pseudo-ruminants, and non-ruminants). The ruminants (cow, goat, and sheep) exhibited highly similar milk TG regioisomeric profiles, while the pseudo-ruminant (camel) showed similar profiles to those of the non-ruminants (dog, horse, human, and pig). The non-ruminants showed a <i>sn</i>-2 ","dates":{"release":"2026-01-01T00:00:00Z","publication":"2026 Jan","modification":"2026-06-10T05:26:29.484Z","creation":"2026-06-10T03:07:23.852Z"},"accession":"S-EPMC12814545","cross_references":{"pubmed":["41490737"],"doi":["10.1021/acs.jafc.5c08520"]}}