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Impact of dietary regime on the metabolomic profile of bovine buttermilk and whole milk powder.
- Source :
-
Metabolomics : Official journal of the Metabolomic Society [Metabolomics] 2024 Aug 03; Vol. 20 (5), pp. 93. Date of Electronic Publication: 2024 Aug 03. - Publication Year :
- 2024
-
Abstract
- Introduction: Bovine milk contains a rich matrix of nutrients such as carbohydrates, fat, protein and various vitamins and minerals, the composition of which is altered by factors including dietary regime.<br />Objectives: The objective of this research was to investigate the impact of dietary regime on the metabolite composition of bovine whole milk powder and buttermilk.<br />Methods: Bovine whole milk powder and buttermilk samples were obtained from spring-calving cows, consuming one of three diets. Group 1 grazed outdoors on perennial ryegrass which was supplemented with 5% concentrates; group 2 were maintained indoors and consumed a total mixed ration diet; and group 3 consumed a partial mixed ration diet consisting of perennial ryegrass during the day and total mixed ration maintained indoors at night.<br />Results: Metabolomic analysis of the whole milk powder (N = 27) and buttermilk (N = 29) samples was preformed using liquid chromatography-tandem mass spectrometry, with 504 and 134 metabolites identified in the samples respectively. In whole milk powder samples, a total of 174 metabolites from various compound classes were significantly different across dietary regimes (FDR adjusted p-value ≤ 0.05), including triglycerides, of which 66% had their highest levels in pasture-fed samples. Triglycerides with highest levels in pasture-fed samples were predominantly polyunsaturated with high total carbon number. Regarding buttermilk samples, metabolites significantly different across dietary regimes included phospholipids, sphingomyelins and an acylcarnitine.<br />Conclusion: In conclusion the results reveal a significant impact of a pasture-fed dietary regime on the metabolite composition of bovine dairy products, with a particular impact on lipid compound classes.<br /> (© 2024. The Author(s).)
Details
- Language :
- English
- ISSN :
- 1573-3890
- Volume :
- 20
- Issue :
- 5
- Database :
- MEDLINE
- Journal :
- Metabolomics : Official journal of the Metabolomic Society
- Publication Type :
- Academic Journal
- Accession number :
- 39096405
- Full Text :
- https://doi.org/10.1007/s11306-024-02157-4